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Basal (phylogenetics)

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not make sense unless the appropriate taxonomic level(s) (genus, in this case) is specified. If that level cannot be specified (i.e., if the clade in question is unranked) a more detailed description of the relevant sister groups may be needed. As can be seen, the term is not reflective of ancestral states or proximity to the common ancestor of extant species.
363: 301:", the latter of which may carry false connotations of inferiority or a lack of complexity. The terms ''deep-branching'' or ''early-branching'' are similar in meaning, and equally may misrepresent extant taxa that lie on branches connecting directly to the root node as having more ancestral character states. 2122:
Li, H.-T.; Yi, T.-S.; Gao, L.-M.; Ma, P.-F.; Zhang, T.; Yang, J.-B.; Gitzendanner, M.A.; Fritsch, P.W.; Cai, J.; Luo, Y.; Wang, H.; van der Bank, M.; Zhang, S.-D.; Wang, Q.-F.; Wang, J.; Zhang, Z.-R.; Fu, C.-N.; Yang, J.; Hollingsworth, P.M.; Chase, M.W.; Soltis, D.E.; Soltis, P.S.; Li, D.-Z. (2019).
1310:, the basal position of the Malagasy family suggests, in combination with the fossil record and the next-most-basal placement of the New Zealand family, that the superfamily originated in Africa and then migrated eastward to South America, proliferating there but surviving in the Old World only in 1172:
are both basal within Hominidae, but given that there are no nonbasal subfamilies in the cladogram it is unlikely the term would be applied to either. In general, a statement to the effect that one group (e.g., orangutans) is basal, or branches off first, within another group (e.g., Hominidae) may
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the extant taxa of a given rank within the clade; this is one reason the term basal is highly deceptive, as the lack of additional species in one clade is taken as evidence of morphological affinity with ancestral taxa. Additionally, this qualification does not ensure that the diversity of extinct
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itself. In the context of large groups, the term "basal" is often used loosely to refer to positions closer to the root than the majority, and in such cases, expressions like "very basal" can appear. A 'core clade' refers to the grouping that encompasses all constituent clades except for the basal
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Given that the deepest phylogenetic split in a group is likely to have occurred early in its history, identification of the most basal subclade(s) in a widely dispersed taxon or clade can provide valuable insight into its region of origin; however, the lack of additional species in a clade is not
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rank). The term may be equivocal in that it also refers to the direction of the root of the tree, which represents a hypothetical ancestor; this consequently may inaccurately imply that the sister group of a more species-rich clade displays ancestral features. An extant basal group may or may not
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Lindblad-Toh, K.; Wade, C.M.; Mikkelsen, T.S.; Karlsson, E.K.; Jaffe, D.B.; Kamal, M.; Clamp, M.; Chang, J.L.; Kulbokas, E.J.; Zody, M.C.; Mauceli, E.; Xie, X.; Breen, M.; Wayne, R.K.; Ostrander, E.A.; Ponting, C.P.; Galibert, F.; Smith, D.R.; Dejong, P.J.; Kirkness, E.; Alvarez, P.; Biagi, T.;
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of a larger clade to a greater degree than other groups, and is separated from that ancestor by the same amount of time as all other extant groups. However, there are cases where the unusually small size of a sister group does indeed correlate with an unusual number of ancestral traits, as in
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Yonezawa, T.; Segawa, T.; Mori, H.; Campos, P. F.; Hongoh, Y.; Endo, H.; Akiyoshi, A.; Kohno, N.; Nishida, S.; Wu, J.; Jin, H.; Adachi, J.; Kishino, H.; Kurokawa, K.; Nogi, Y.; Tanabe, H.; Mukoyama, H.; Yoshida, K.; Rasoamiaramanana, A.; Yamagishi, S.; Hayashi, Y.; Yoshida, A.; Koike, H.;
50:. The term may be more strictly applied only to nodes adjacent to the root, or more loosely applied to nodes regarded as being close to the root. Note that extant taxa that lie on branches connecting directly to the root are not more closely related to the root than any other extant taxa. 1176:
In this example, orangutans differ from the other genera in their Asian range. This fact plus their basal status provides a hint that the most recent common ancestor of extant great apes may have been Eurasian (see below), a suggestion that is consistent with other evidence. (Of course,
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try to avoid its usage because its application to extant groups is unnecessary and misleading. The term is more often applied when one branch (the one deemed "basal") is less diverse than another branch (this being the situation in which one would expect to find a basal taxon of lower
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While it is easy to identify a basal clade in such a cladogram, the appropriateness of such an identification is dependent on the accuracy and completeness of the diagram. It is often assumed in this example that the terminal branches of the cladogram depict
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and Noctilionoidea cases below). As with all other traits, the phylogeographic location of one clade that connects to the root does not provide information about the ancestral state. Examples where such unjustified inferences may have been made include:
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Krause, J.; Unger, T.; Noçon, A.; Malaspinas, A.; Kolokotronis, S.; Stiller, M.; Soibelzon, L.; Spriggs, H.; Dear, P. H.; Briggs, A. W.; Bray, S. C. E.; O'Brien, S. J.; Rabeder, G.; Matheus, P.; Cooper, A.; Slatkin, M.; Pääbo, S.; Hofreiter, M. (2008).
1246:(Opluridae) were previously thought to be basal, with an estimated divergence date from the others of ~162 million years, not long before the time of Madagascar's separation from Africa. This suggested that iguanids once had a widespread 1577:
may have similarly traveled overland from South America to colonize Australia; a fossil ratite is known from Antarctica, and South American rheas are more basal within the group than Australo-Pacific ratites.
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Schulte, J. A.; Valladares, J. P.; Larson, A. (September 2003). "Phylogenetic Relationships Within Iguanidae Inferred Using Molecular and Morphological Data and a Phylogenetic Taxonomy of Iguanian Lizards".
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Fernández-Mazuecos, M.; Blanco-Pastor, J.L.; Juan, A.; Carnicero, P.; Forrest, A.; Alarcón, M.; Vargas, P.; Glover, B.J. (2019). "Macroevolutionary dynamics of nectar spurs, a key evolutionary innovation".
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are present in South Africa, Australia, New Zealand and Chile. The most basal clade is South African; DNA sequence evidence indicates that after their South American ancestors reached South Africa, they
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evidence that it carries the ancestral state for most traits. Most deceptively, people often believe that the direction of migration away from the area of origin can also be inferred (as in the
391:, consisting of the most species, genus, family and order within the group that are sister to all other angiosperms (out of a total of about 250,000 angiosperm species). The traits of 1270:, having only diverged 60 million years ago following a likely rafting event of their own. Due to this, neither of the Old World "iguanids" are thought to represent basal lineages. 2845:; Boundy, J.; Lawson, R. (June 2001). "The Phylogenetic Relationships of Asian Coral Snakes (Elapidae: Calliophis and Maticora) Based on Morphological and Molecular Characters". 1565:, with about 120 extant species, suggesting a South American origin for the group. This is consistent with the finding of a fossil from the South American family in Antarctica. 1443:
Greater diversification of a clade may also be associated with colonization of a new land mass, especially if larger or less competitive than the ancestral land mass; see the
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comprise about 16 species in Asia and over 65 species in the Americas. However, none of the American clades are basal, implying that the group's ancestry was in the Old World.
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Teeling, E. C.; Springer, M.; Madsen, O.; Bates, P.; O'Brien, S.; Murphy, W. (2005-01-28). "A Molecular Phylogeny for Bats Illuminates Biogeography and the Fossil Record".
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Okajima, Y.; Kumazawa, Y. (2009-07-15). "Mitogenomic perspectives into iguanid phylogeny and biogeography: Gondwanan vicariance for the origin of Madagascan oplurines".
2391: 399:), of any living angiosperm" as well as "simple, separate flower parts of indefinite numbers, and unsealed carpels". However, those traits are a mix of archaic and 1473:
That is, in the diagram below, both basal clades #1 and #2 are more basal than non-basal clade #1, which in turn is more basal than non-basal clades #2 and #3.
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Moya-Sola, S.; Alba, D. M.; Almecija, S.; Casanovas-Vilar, I.; Kohler, M.; De Esteban-Trivigno, S.; Robles, J. M.; Galindo, J.; Fortuny, J. (2009-06-16).
1327:, suggesting a North American origin of the nearly worldwide group. This is consistent with fossil evidence indicating a North American origin for the 395:
are regarded as providing significant insight into the evolution of flowering plants; for example, it has "the most primitive wood (consisting only of
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Ramírez-Barahona, S.; Sauquet, H.; Magallón, S. (2020). "The delayed and geographically heterogeneous diversification of flowering plant families".
3400: 1509:; i.e., in this case the geographic location of the basal clade is not thought to provide evidence for the locale in which angiosperms originated. 3004:"First fossil frog from Antarctica: implications for Eocene high latitude climate conditions and Gondwanan cosmopolitanism of Australobatrachia" 2738:"Molecular and morphological analysis of the critically endangered Fijian iguanas reveals cryptic diversity and a complex biogeographic history" 1434:
is the basal genus of family Hominidae. The two basal clades of the latter both have the highest rank of subfamily, i.e. Homininae and Ponginae.
403:(derived) features that have only been sorted out via comparison with other angiosperms and their positions within the phylogenetic tree (the 3347: 1879: 2904:"A large-scale phylogeny of Amphibia including over 2800 species, and a revised classification of extant frogs, salamanders, and caecilians" 2528: 53:
While there must always be two or more equally "basal" clades sprouting from the root of every cladogram, those clades may differ widely in
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is an important clue that its origin was in South America. This conclusion is consistent with the fact that the South American order
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Wang, Xiaoming; Tedford, Richard; Taylor, Beryl (1999-11-17). "Phylogenetic systematics of the Borophaginae (Carnivora, Canidae)".
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could potentially also be helpful in this respect, but is absent in this case). The cladogram below is based on Ramírez-Barahona
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cannot be objectively applied to clades of organisms, but tends to be applied selectively and more controversially to groups or
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Nilsson, M. A.; Churakov, G.; Sommer, M.; Van Tran, N.; Zemann, A.; Brosius, J.; Schmitz, J. (2010-07-27). Penny, David (ed.).
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Since a lineage is a linear chain of descent, all lineages within a clade can be traced back not only to the root, but to the
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Meaning the lowest taxonomic ranks of the respective clades; the highest ranks should be the same (assuming they are ranked).
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are nested deeply within American iguanids, having apparently colonized their isolated range after an epic 10,000 km
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Kuntner, M.; Ceccarelli, F. S.; Opell, B. D.; Haddad, C. R.; Raven, Robert J.; Soto, E. M.; Ramírez, M. J. (2016-10-12).
1606: 1209: 2170: 3560: 3467: 3423: 3393: 2038:"The Platypus Is in Its Place: Nuclear Genes and Indels Confirm the Sister Group Relation of Monotremes and Therians" 709: 703: 1952:"Mitochondrial genomes reveal an explosive radiation of extinct and extant bears near the Miocene-Pliocene boundary" 1536:, which is presumed to have served as a way station on the migration route to Australia before the final breakup of 824: 141:
A basal group in the stricter sense forms a sister group to the rest of the larger clade, as in the following case:
1486:. Thus, from a phylogenetic standpoint, the notion of a lineage being basal is nonsensical. However, in genetics, 329:(see below). This is likely a source of the mis-use of the term. Other famous examples of this phenomenon are the 3750: 3676: 298: 720: 3801: 3371: 2874:"New marsupial (Mammalia) from the Eocene of Antarctica, and the origins and affinities of the Microbiotheria" 3630: 3428: 1906:
Jenner, Ronald A (2006). "Unburdening evo-devo: ancestral attractions, model organisms, and basal baloney".
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Brockman, W.; Butler, J.; Chin, C.-W.; Cook, A.; Cuff, J.; Daly, M.J.; Decaprio, D.; et al. (2005).
2559:"Around the World in Eight Million Years: Historical Biogeography and Evolution of the Spray Zone Spider 3443: 2297: 1691: 2943:
Feng, Y.-J.; Blackburn, D.C.; Liang, D.; Hillis, D.M.; Wake, D.B.; Cannatella, D.C.; Zhang, P. (2017).
1254:, less isolated Old World iguanids became extinct through competition with other lizard groups (e.g., 3602: 3508: 3273: 3213: 3156: 3015: 2956: 2574: 2400: 2094: 1770: 1550: 367: 319: 101:
should not be imputed to the members of a less species-rich basal clade without additional evidence.
3067:"Phylogenomics and Morphology of Extinct Paleognaths Reveal the Origin and Evolution of the Ratites" 1279:
Extant australidelphian marsupials constitute about 240 species in Australasia and one species (the
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Heard, S.B.; Hauser, D.L. (1995). "Key evolutionary innovations and their ecological mechanisms".
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Goin, F. J.; Zimicz, N.; Reguero, M. A.; Santillana, S. N.; Marenssi, S. A.; Moly, J. J. (2007).
2854: 2824: 2718: 2675: 2223: 2148: 2018: 1931: 1848: 1794: 1716: 1668: 3106:
Tambussi, C.P.; Noriega, J.I.; Gazdzicki, A.; Tatur, A.; Reguero, M.A.; Vizcaino, S.F. (1994).
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MaClatchy, L.; Gebo, D.; Kityo, R.; Pilbeam, D. (2000). "Postcranial functional morphology of
2428: 2367: 2273: 2215: 2140: 2059: 1983: 1923: 1885: 1875: 1840: 1786: 1708: 1660: 1488: 1215: 795: 388: 152: 43: 3337: 1867: 3585: 3539: 3318: 3281: 3231: 3221: 3164: 3078: 3033: 3023: 2974: 2964: 2915: 2798: 2757: 2749: 2710: 2667: 2631: 2592: 2582: 2499: 2460: 2418: 2408: 2387:"A unique Middle Miocene European hominoid and the origins of the great ape and human clade" 2357: 2347: 2309: 2263: 2207: 2132: 2102: 2049: 2010: 1973: 1963: 1915: 1830: 1822: 1778: 1743: 1700: 1650: 1410: 1280: 673: 483: 290: 832:
inferred from nuclear DNA sequence data, showing the basal position of the Malagasy family
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has been termed the basal genus. However, if the analysis is not restricted to genera, the
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Krell, Frank-T; Cranston, Peter S. (2004). "Which side of the tree is more basal?".
1672: 3760: 3706: 3701: 3696: 3681: 3489: 3484: 3262:"Genome sequence, comparative analysis and haplotype structure of the domestic dog" 2488:"Orangutan positional behavior and the nature of arboreal locomotion in Hominoidea" 2338: 1798: 1527: 1385: 1332: 1303: 1267: 1259: 437: 346: 117: 94: 3226: 3122: 2587: 2352: 1250:
distribution; after the Malagasy and New World representatives were separated by
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all the way back to South America over an interval of about 8 million years.
3755: 3448: 3108:"Ratite bird from the Paleogene La Meseta Formation, Seymour Island, Antarctica" 2920: 2903: 2803: 2786: 1457: 1388:). Meanwhile, the other (unranked) sister basal clade has about 250,000 species. 1307: 1292: 1273: 1019:
are a sister group to Homininae and are the basal genus in the great ape family
833: 807: 460: 423: 309: 3028: 2635: 2314: 1704: 1464:, but its specializations for a bamboo diet are not ancestral ursid characters. 3457: 3433: 3083: 3066: 2211: 2136: 1919: 1747: 1251: 1231: 1226: 1178: 1102: 913: 812: 799: 760: 400: 98: 2812: 1889: 3770: 3734: 3729: 3724: 3619: 3501: 3168: 2969: 2413: 2054: 1968: 1406: 1247: 1243: 1050: 1031: 1020: 1016: 845: 772: 752: 513: 341:, a clade of mammals with just five species, and the archaic anatomy of the 338: 334: 330: 325: 47: 3368:"Interpreting the Tree Diagram or List of Subgroups on a Tree of Life Page" 3295: 3245: 3176: 3092: 3047: 2988: 2929: 2820: 2771: 2753: 2643: 2606: 2513: 2472: 2464: 2432: 2371: 2277: 2268: 2251: 2219: 2144: 2063: 1987: 1927: 1844: 1790: 1761:
Engel, M.S.; Grimaldi, D.A. (2004). "New light shed on the oldest insect".
1712: 1664: 17: 3461: 2334:"Tracking Marsupial Evolution Using Archaic Genomic Retroposon Insertions" 3204: 2298:"The number of known plants species in the world and its annual increase" 1537: 1186: 1169: 1043: 396: 93:' implies some degree of correlation between evolutionary innovation and 3286: 3261: 2001:
McLellan, Bruce; Reiner, David C. (1994). "A Review of Bear Evolution".
1782: 97:. However, such a correlation does not make a given case predicable, so 2858: 2722: 2504: 2487: 2107: 2078: 2022: 1835: 1492:
refers to a lineage connecting a common ancestor with a single variant
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thought to possess ancestral characters, or to such presumed ancestral
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Philosophical Transactions of the Royal Society B: Biological Sciences
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Herrera-Flores, J. A.; Stubbs, T. L.; Benton, M. J.; Ruta, M. (2017).
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Similarly, among australobatrachian frogs, the South American family
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represents the most basal extant species, genus and subfamily within
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are entirely Asiatic.) However, orangutans also differ from African
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clade(s) of the lowest rank within a larger clade, exemplified by
82: 2451:, with implications for the evolution of modern ape locomotion". 1189:
lifestyle, a trait generally viewed as ancestral among the apes.
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Keogh, J. S.; Edwards, D. L; Fisher, R. N; Harlow, P. S (2008).
2079:"Macroevolutionary patterns in Rhynchocephalia: is the tuatara ( 1557:
as the monito del monte), is basal to the Australasian families
1483: 1235: 836:. Locations with only fossil members are indicated by red stars. 3382: 3065:
Akishinonomiya, F.; Willerslev, E.; Hasegawa, M. (2016-12-15).
2529:"Seafaring Spiders Made It around the World—in 8 Million Years" 3198:
Gunnell, G. F.; Simmons, N. B.; Seiffert, E. R. (2014-02-04).
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Relationship of biogeography and phylogeny of bat superfamily
688: 2252:"The plant tree of life: an overview and some points of view" 411:(2020), with species counts taken from the source indicated. 2123:"Origin of angiosperms and the puzzle of the Jurassic gap". 1405:
and the other basal clade(s) might have the higher ranks of
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Welt, Rachel S.; Raxworthy, Christopher J. (2022-02-01).
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as a whole (the other two canid subfamilies, the extinct
2697:(Iguanidae) including the Description of a New Species, 2291: 2289: 2287: 1518:
These conclusions have been supported by the finding of
133:. No extant taxon is closer to the root than any other. 1637:"Do early branching lineages signify ancestral traits?" 1607:"For the love of trees: The ancestors are not among us" 1444: 293:
themselves. In describing characters, "ancestral" or "
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Dogs, Their Fossil Relatives and Evolutionary History
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Gibbons, J. R. H. (1981-07-31). "The Biogeography of
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coral snake, marsupial and noctilionoid bat examples
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that has the lowest rank of all basal clades within
3743: 3717: 3669: 3611: 3548: 3477: 3416: 1380:(that is also the sole living representative of an 3311:Bulletin of the American Museum of Natural History 1496:to a branch ancestor with two descendant variants. 1430:is the basal genus of subfamily Homininae, while 771:. These five species form a clade, the subfamily 278:taxa (which may be poorly known) is represented. 2250:Palmer, J.D.; Soltis, D.E.; Chase, M.W. (2004). 802:data shows the basal position of South American 3059: 3057: 2949:Proceedings of the National Academy of Sciences 1339:, the latter being basal in Canidae, were both 2552: 2550: 2327: 2325: 1376:, in which one basal clade is a single extant 1230:) are distributed throughout the Americas, on 3394: 3342:. Columbia University Press. pp. 23–31. 2245: 2243: 2241: 2239: 2237: 1901: 1899: 8: 3002:Mörs, T.; Reguero, M.; Vasilyan, D. (2020). 2878:Revista de la Asociación Geológica Argentina 2296:Christenhusz, M. J. M.; Byng, J. W. (2016). 2164: 2162: 1553:, with 5 extant species (living in the same 759:(eastern and western) are a sister group to 810:, and the basal position of South American 3401: 3387: 3379: 2486:Thorpe, S. K. S.; Crompton, R. H. (2006). 1874:. Princeton University Press. p. 57. 3285: 3235: 3225: 3082: 3037: 3027: 2978: 2968: 2919: 2802: 2761: 2596: 2586: 2503: 2492:American Journal of Physical Anthropology 2422: 2412: 2361: 2351: 2313: 2267: 2106: 2053: 1977: 1967: 1834: 1654: 739:Learn how and when to remove this message 1323:(gray and island foxes) is basal in the 1302:has over 200 species in the Neotropics, 702:This section includes a list of general 1868:"Phylogenetics and the History of Life" 1635:Crisp, Michael D.; Cook, Lyn G (2005). 1590: 1353: 2908:Molecular Phylogenetics and Evolution 2791:Molecular Phylogenetics and Evolution 1370: 304:Despite the ubiquity of the usage of 209: Non-basal clade #2   7: 3796: 1684: 1682: 1630: 1628: 1626: 1600: 1598: 1596: 1594: 2003:Bears: Their Biology and Management 1078: 1071: 1038: 1026: 951: 886: 859: 852: 840: 586: 529: 506: 499: 476: 453: 430: 418: 202: 182: 159: 148: 1242:in the western South Pacific. The 1193:Relevance to biogeographic history 708:it lacks sufficient corresponding 387:in the southwestern Pacific, is a 371:, the most basal extant angiosperm 25: 2902:Pyron, R.A.; Wiens, J.J. (2011). 1642:Trends in Ecology & Evolution 389:basal clade of extant angiosperms 3795: 3784: 3783: 3636:Phylogenetic comparative methods 3460: 3336:Wang, X.; Tedford, R.H. (2008). 1872:The Princeton Guide to Evolution 1656:10.1111/j.0307-6970.2004.00262.x 693: 3641:Phylogenetic niche conservatism 2042:Molecular Biology and Evolution 1908:Development Genes and Evolution 1866:Baum, D. A. (4 November 2013). 1423: 297:" are preferred to "basal" or " 2200:Nature Ecology & Evolution 816:within otherwise Australasian 1: 1505:New Caledonia is viewed as a 333:reproduction and nipple-less 3227:10.1371/journal.pone.0086712 3121:(1–2): 15–20. Archived from 2588:10.1371/journal.pone.0163740 2353:10.1371/journal.pbio.1000436 1605:Smith, Stacey (2016-09-19). 3561:Phylogenetic reconciliation 3468:Evolutionary biology portal 3424:Computational phylogenetics 2921:10.1016/j.ympev.2011.06.012 2804:10.1016/j.ympev.2021.107345 2171:"What's so primitive about 2169:Essig, F. B. (2014-07-01). 1291:is basal within infraclass 798:of marsupials derived from 413: 281:In phylogenetics, the term 143: 27:Root of a phylogenetic tree 3840: 3029:10.1038/s41598-020-61973-5 2636:10.1016/j.gene.2008.06.011 2453:Journal of Human Evolution 2315:10.11646/phytotaxa.261.3.1 2256:American Journal of Botany 1705:10.1016/j.tree.2004.11.010 1298:While the bat superfamily 1168:Subfamilies Homininae and 3779: 3751:Phylogenetic nomenclature 3455: 3084:10.1016/j.cub.2016.10.029 2212:10.1038/s41559-020-1241-3 2137:10.1038/s41477-019-0421-0 2036:Van Rheede, Teun (2005). 1920:10.1007/s00427-006-0084-5 1748:10.1080/10292389509380518 1129: 1100: 1083: 1076: 1069: 1048: 1036: 976: 956: 949: 911: 891: 884: 864: 857: 850: 775:(African apes), of which 607: 591: 584: 550: 534: 527: 511: 504: 497: 481: 474: 458: 451: 435: 428: 222: Non-basal clade #3 220: 207: 200: 189: Non-basal clade #1 187: 180: 164: 157: 108:is more basal than clade 3372:Tree of Life Web Project 2563:(Araneae: Anyphaenidae)" 2527:Kukso, F. (2016-11-08). 1956:BMC Evolutionary Biology 1260:western Pacific iguanids 612:(about 175,000 species) 65:is a basal clade within 44:rooted phylogenetic tree 38:is the direction of the 3631:Molecular phylogenetics 3581:Distance-matrix methods 3429:Molecular phylogenetics 3169:10.1126/science.1105113 2970:10.1073/pnas.1704632114 2414:10.1073/pnas.0811730106 1969:10.1186/1471-2148-8-220 723:more precise citations. 555:(about 70,000 species) 349:with a single species. 3651:Phylogenetics software 3565:Probabilistic methods 3514:Long branch attraction 2754:10.1098/rstb.2008.0120 2703:Journal of Herpetology 2465:10.1006/jhev.2000.0407 2449:Morotopithecus bishopi 2269:10.3732/ajb.91.10.1437 1522:fossil remains of the 1067: Homininae  837: 821: 516:(about 9,000 species) 372: 3444:Evolutionary taxonomy 3115:Polish Polar Research 2055:10.1093/molbev/msj064 1692:Systematic Entomology 1611:For the love of trees 1207:Spiders of the genus 1185:in their more highly 827: 793: 787:clade is also basal. 365: 116:is a subgroup of the 3603:Three-taxon analysis 3509:Phylogenetic network 1551:Calyptocephalellidae 393:Amborella trichopoda 368:Amborella trichopoda 320:last common ancestor 99:ancestral characters 89:. The concept of a ' 85:of that rank within 77:may be described as 3646:Phylogenetic signal 3287:10.1038/nature04338 3278:2005Natur.438..803L 3218:2014PLoSO...986712G 3161:2005Sci...307..580T 3020:2020NatSR..10.5051M 2961:2017PNAS..114E5864F 2955:(29): E5864–E5870. 2748:(1508): 3413–3426. 2579:2016PLoSO..1163740C 2534:Scientific American 2405:2009PNAS..106.9601M 2099:2017Palgy..60..319H 2083:) a living fossil?" 2081:Sphenodon punctatus 1783:10.1038/nature02291 1775:2004Natur.427..627E 539:(about 80 species) 486:(about 95 species) 463:(about 90 species) 345:, a basal clade of 3574:Bayesian inference 3569:Maximum likelihood 3008:Scientific Reports 2505:10.1002/ajpa.20422 2108:10.1111/pala.12284 1736:Historical Biology 1424:great apes example 1343:to North America). 1304:two in New Zealand 1216:dispersed eastward 838: 822: 596:(about 6 species) 373: 104:In general, clade 3811: 3810: 3556:Maximum parsimony 3549:Inference methods 3497:Phylogenetic tree 3349:978-0-231-13528-3 3272:(7069): 803–819. 3155:(5709): 580–584. 2399:(24): 9601–9606. 2262:(10): 1437–1445. 1881:978-1-4008-4806-5 1827:10.1111/nph.15654 1769:(6975): 627–630. 1456:For example, the 1308:two in Madagascar 1165: 1164: 1156: 1155: 1147: 1146: 1118: 1117: 1012: 1011: 1003: 1002: 994: 993: 938: 937: 929: 928: 796:phylogenetic tree 749: 748: 741: 682: 681: 674:Basal angiosperms 666: 665: 657: 656: 648: 647: 639: 638: 630: 629: 621: 620: 573: 572: 564: 563: 270: 269: 258: 257: 249: 248: 240: 239: 231: 230: 59:species diversity 16:(Redirected from 3831: 3799: 3798: 3787: 3786: 3586:Neighbor-joining 3540:Ghost population 3470: 3465: 3464: 3403: 3396: 3389: 3380: 3375: 3354: 3353: 3333: 3327: 3326: 3306: 3300: 3299: 3289: 3256: 3250: 3249: 3239: 3229: 3195: 3189: 3188: 3144: 3138: 3137: 3135: 3133: 3127: 3112: 3103: 3097: 3096: 3086: 3061: 3052: 3051: 3041: 3031: 2999: 2993: 2992: 2982: 2972: 2940: 2934: 2933: 2923: 2899: 2893: 2892: 2890: 2889: 2869: 2863: 2862: 2843:Slowinski, J. B. 2839: 2833: 2832: 2806: 2782: 2776: 2775: 2765: 2733: 2727: 2726: 2690: 2684: 2683: 2654: 2648: 2647: 2617: 2611: 2610: 2600: 2590: 2573:(10): e0163740. 2554: 2545: 2544: 2542: 2541: 2524: 2518: 2517: 2507: 2483: 2477: 2476: 2444: 2438: 2436: 2426: 2416: 2382: 2376: 2375: 2365: 2355: 2329: 2320: 2319: 2317: 2293: 2282: 2281: 2271: 2247: 2232: 2231: 2206:(9): 1232–1238. 2195: 2189: 2188: 2186: 2185: 2179:Botany Professor 2166: 2157: 2156: 2119: 2113: 2112: 2110: 2074: 2068: 2067: 2057: 2033: 2027: 2026: 1998: 1992: 1991: 1981: 1971: 1946: 1940: 1939: 1914:(7–8): 385–394. 1903: 1894: 1893: 1863: 1857: 1856: 1838: 1821:(2): 1123–1138. 1809: 1803: 1802: 1758: 1752: 1751: 1731: 1725: 1724: 1686: 1677: 1676: 1658: 1632: 1621: 1620: 1618: 1617: 1602: 1578: 1572: 1566: 1555:Valdivian forest 1547: 1541: 1516: 1510: 1503: 1497: 1480: 1474: 1471: 1465: 1454: 1448: 1441: 1435: 1420: 1414: 1395: 1389: 1367: 1361: 1358: 1325:canine subfamily 1281:monito del monte 1258:). In contrast, 1079: 1072: 1039: 1027: 979:Western gorillas 963:Gorilla beringei 959:Eastern gorillas 952: 887: 860: 853: 841: 744: 737: 733: 730: 724: 719:this section by 710:inline citations 697: 696: 689: 587: 530: 507: 500: 484:Austrobaileyales 477: 454: 431: 419: 414: 383:, restricted to 358:Flowering plants 203: 183: 169: 160: 149: 144: 21: 3839: 3838: 3834: 3833: 3832: 3830: 3829: 3828: 3814: 3813: 3812: 3807: 3775: 3739: 3713: 3687:Symplesiomorphy 3665: 3607: 3544: 3473: 3466: 3459: 3453: 3417:Relevant fields 3412: 3407: 3366: 3363: 3358: 3357: 3350: 3335: 3334: 3330: 3308: 3307: 3303: 3258: 3257: 3253: 3197: 3196: 3192: 3146: 3145: 3141: 3131: 3129: 3125: 3110: 3105: 3104: 3100: 3071:Current Biology 3063: 3062: 3055: 3001: 3000: 2996: 2942: 2941: 2937: 2901: 2900: 2896: 2887: 2885: 2871: 2870: 2866: 2841: 2840: 2836: 2784: 2783: 2779: 2735: 2734: 2730: 2715:10.2307/1563429 2692: 2691: 2687: 2656: 2655: 2651: 2619: 2618: 2614: 2556: 2555: 2548: 2539: 2537: 2526: 2525: 2521: 2485: 2484: 2480: 2446: 2445: 2441: 2384: 2383: 2379: 2346:(7): e1000436. 2331: 2330: 2323: 2295: 2294: 2285: 2249: 2248: 2235: 2197: 2196: 2192: 2183: 2181: 2168: 2167: 2160: 2121: 2120: 2116: 2076: 2075: 2071: 2035: 2034: 2030: 2015:10.2307/3872687 2000: 1999: 1995: 1948: 1947: 1943: 1905: 1904: 1897: 1882: 1865: 1864: 1860: 1815:New Phytologist 1811: 1810: 1806: 1760: 1759: 1755: 1733: 1732: 1728: 1688: 1687: 1680: 1634: 1633: 1624: 1615: 1613: 1604: 1603: 1592: 1587: 1582: 1581: 1573: 1569: 1559:Limnodynastidae 1548: 1544: 1524:microbiotherian 1517: 1513: 1504: 1500: 1481: 1477: 1472: 1468: 1455: 1451: 1442: 1438: 1421: 1417: 1396: 1392: 1368: 1364: 1359: 1355: 1350: 1337:Hesperocyoninae 1289:Didelphimorphia 1285:Australidelphia 1195: 1166: 1157: 1148: 1119: 1013: 1004: 995: 983:Gorilla gorilla 939: 930: 918:Pan troglodytes 818:Australidelphia 804:Didelphimorphia 745: 734: 728: 725: 715:Please help to 714: 698: 694: 687: 678: 677: 667: 658: 649: 640: 631: 622: 594:Ceratophyllales 574: 565: 377:flowering plant 360: 355: 266: 265: 259: 250: 241: 232: 167: 139: 95:diversification 42:(or root) of a 28: 23: 22: 15: 12: 11: 5: 3837: 3835: 3827: 3826: 3816: 3815: 3809: 3808: 3806: 3805: 3793: 3780: 3777: 3776: 3774: 3773: 3768: 3763: 3758: 3753: 3747: 3745: 3741: 3740: 3738: 3737: 3732: 3727: 3721: 3719: 3715: 3714: 3712: 3711: 3710: 3709: 3704: 3699: 3691: 3690: 3689: 3684: 3673: 3671: 3667: 3666: 3664: 3663: 3661:Phylogeography 3658: 3653: 3648: 3643: 3638: 3633: 3628: 3623: 3615: 3613: 3612:Current topics 3609: 3608: 3606: 3605: 3600: 3599: 3598: 3593: 3588: 3578: 3577: 3576: 3571: 3563: 3558: 3552: 3550: 3546: 3545: 3543: 3542: 3537: 3536: 3535: 3525: 3516: 3511: 3506: 3505: 3504: 3494: 3493: 3492: 3481: 3479: 3478:Basic concepts 3475: 3474: 3472: 3471: 3456: 3454: 3452: 3451: 3446: 3441: 3436: 3431: 3426: 3420: 3418: 3414: 3413: 3408: 3406: 3405: 3398: 3391: 3383: 3377: 3376: 3362: 3361:External links 3359: 3356: 3355: 3348: 3328: 3301: 3251: 3190: 3139: 3098: 3053: 2994: 2935: 2914:(2): 543–583. 2894: 2864: 2853:(2): 233–245. 2834: 2777: 2728: 2709:(3): 255–273. 2701:, from Fiji". 2685: 2666:(3): 399–419. 2649: 2630:(1–2): 28–35. 2612: 2546: 2519: 2498:(3): 384–401. 2478: 2459:(2): 159–183. 2439: 2377: 2321: 2308:(3): 201–217. 2283: 2233: 2190: 2158: 2131:(5): 461–470. 2114: 2093:(3): 319–328. 2069: 2048:(3): 587–597. 2028: 1993: 1941: 1895: 1880: 1858: 1804: 1753: 1742:(2): 151–173. 1726: 1699:(3): 279–281. 1678: 1649:(3): 122–128. 1622: 1589: 1588: 1586: 1583: 1580: 1579: 1567: 1563:Myobatrachidae 1542: 1511: 1498: 1484:origin of life 1475: 1466: 1449: 1436: 1415: 1390: 1362: 1352: 1351: 1349: 1346: 1345: 1344: 1315: 1300:Noctilionoidea 1296: 1277: 1271: 1244:Malagasy forms 1219: 1194: 1191: 1163: 1162: 1159: 1158: 1154: 1153: 1150: 1149: 1145: 1144: 1141: 1140: 1128: 1125: 1124: 1121: 1120: 1116: 1115: 1112: 1111: 1099: 1096: 1095: 1092: 1091: 1082: 1077: 1075: 1070: 1068: 1064: 1063: 1060: 1059: 1047: 1037: 1035: 1025: 1010: 1009: 1006: 1005: 1001: 1000: 997: 996: 992: 991: 988: 987: 975: 972: 971: 968: 967: 955: 950: 948: 945: 944: 941: 940: 936: 935: 932: 931: 927: 926: 923: 922: 910: 907: 906: 903: 902: 890: 885: 883: 880: 879: 876: 875: 863: 858: 856: 851: 849: 839: 830:Noctilionoidea 747: 746: 701: 699: 692: 686: 683: 680: 679: 671: 670: 668: 664: 663: 660: 659: 655: 654: 651: 650: 646: 645: 642: 641: 637: 636: 633: 632: 628: 627: 624: 623: 619: 618: 615: 614: 606: 603: 602: 599: 598: 590: 585: 583: 580: 579: 576: 575: 571: 570: 567: 566: 562: 561: 558: 557: 549: 546: 545: 542: 541: 533: 528: 526: 523: 522: 519: 518: 510: 505: 503: 498: 496: 493: 492: 489: 488: 480: 475: 473: 470: 469: 466: 465: 457: 452: 450: 447: 446: 443: 442: 434: 429: 427: 417: 359: 356: 354: 351: 268: 267: 264:Basal clade #2 263: 262: 260: 256: 255: 252: 251: 247: 246: 243: 242: 238: 237: 234: 233: 229: 228: 225: 224: 219: 216: 215: 212: 211: 206: 201: 199: 196: 195: 192: 191: 186: 181: 179: 176: 175: 172: 171: 168:Basal clade #1 163: 158: 156: 147: 138: 135: 91:key innovation 61:, or both. If 55:taxonomic rank 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 3836: 3825: 3824:Phylogenetics 3822: 3821: 3819: 3804: 3803: 3794: 3792: 3791: 3782: 3781: 3778: 3772: 3769: 3767: 3764: 3762: 3759: 3757: 3754: 3752: 3749: 3748: 3746: 3742: 3736: 3733: 3731: 3728: 3726: 3723: 3722: 3720: 3716: 3708: 3705: 3703: 3700: 3698: 3695: 3694: 3692: 3688: 3685: 3683: 3680: 3679: 3678: 3675: 3674: 3672: 3668: 3662: 3659: 3657: 3656:Phylogenomics 3654: 3652: 3649: 3647: 3644: 3642: 3639: 3637: 3634: 3632: 3629: 3627: 3626:DNA barcoding 3624: 3622: 3621: 3617: 3616: 3614: 3610: 3604: 3601: 3597: 3596:Least squares 3594: 3592: 3589: 3587: 3584: 3583: 3582: 3579: 3575: 3572: 3570: 3567: 3566: 3564: 3562: 3559: 3557: 3554: 3553: 3551: 3547: 3541: 3538: 3534: 3533:Ghost lineage 3531: 3530: 3529: 3526: 3524: 3520: 3517: 3515: 3512: 3510: 3507: 3503: 3500: 3499: 3498: 3495: 3491: 3488: 3487: 3486: 3483: 3482: 3480: 3476: 3469: 3463: 3458: 3450: 3447: 3445: 3442: 3440: 3437: 3435: 3432: 3430: 3427: 3425: 3422: 3421: 3419: 3415: 3411: 3410:Phylogenetics 3404: 3399: 3397: 3392: 3390: 3385: 3384: 3381: 3373: 3369: 3365: 3364: 3360: 3351: 3345: 3341: 3340: 3332: 3329: 3324: 3320: 3316: 3312: 3305: 3302: 3297: 3293: 3288: 3283: 3279: 3275: 3271: 3267: 3263: 3255: 3252: 3247: 3243: 3238: 3233: 3228: 3223: 3219: 3215: 3212:(2): e86712. 3211: 3207: 3206: 3201: 3194: 3191: 3186: 3182: 3178: 3174: 3170: 3166: 3162: 3158: 3154: 3150: 3143: 3140: 3128:on 2019-12-28 3124: 3120: 3116: 3109: 3102: 3099: 3094: 3090: 3085: 3080: 3076: 3072: 3068: 3060: 3058: 3054: 3049: 3045: 3040: 3035: 3030: 3025: 3021: 3017: 3013: 3009: 3005: 2998: 2995: 2990: 2986: 2981: 2976: 2971: 2966: 2962: 2958: 2954: 2950: 2946: 2939: 2936: 2931: 2927: 2922: 2917: 2913: 2909: 2905: 2898: 2895: 2883: 2879: 2875: 2868: 2865: 2860: 2856: 2852: 2848: 2847:Herpetologica 2844: 2838: 2835: 2830: 2826: 2822: 2818: 2814: 2810: 2805: 2800: 2796: 2792: 2788: 2781: 2778: 2773: 2769: 2764: 2759: 2755: 2751: 2747: 2743: 2739: 2732: 2729: 2724: 2720: 2716: 2712: 2708: 2704: 2700: 2696: 2689: 2686: 2681: 2677: 2673: 2672:10.1655/02-48 2669: 2665: 2661: 2660:Herpetologica 2653: 2650: 2645: 2641: 2637: 2633: 2629: 2625: 2624: 2616: 2613: 2608: 2604: 2599: 2594: 2589: 2584: 2580: 2576: 2572: 2568: 2564: 2562: 2561:Amaurobioides 2553: 2551: 2547: 2536: 2535: 2530: 2523: 2520: 2515: 2511: 2506: 2501: 2497: 2493: 2489: 2482: 2479: 2474: 2470: 2466: 2462: 2458: 2454: 2450: 2443: 2440: 2434: 2430: 2425: 2420: 2415: 2410: 2406: 2402: 2398: 2394: 2393: 2388: 2381: 2378: 2373: 2369: 2364: 2359: 2354: 2349: 2345: 2341: 2340: 2335: 2328: 2326: 2322: 2316: 2311: 2307: 2303: 2299: 2292: 2290: 2288: 2284: 2279: 2275: 2270: 2265: 2261: 2257: 2253: 2246: 2244: 2242: 2240: 2238: 2234: 2229: 2225: 2221: 2217: 2213: 2209: 2205: 2201: 2194: 2191: 2180: 2176: 2174: 2165: 2163: 2159: 2154: 2150: 2146: 2142: 2138: 2134: 2130: 2126: 2125:Nature Plants 2118: 2115: 2109: 2104: 2100: 2096: 2092: 2088: 2087:Palaeontology 2084: 2082: 2073: 2070: 2065: 2061: 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1366: 1363: 1357: 1354: 1347: 1342: 1338: 1334: 1330: 1326: 1322: 1321: 1316: 1313: 1309: 1305: 1301: 1297: 1294: 1290: 1286: 1282: 1278: 1275: 1272: 1269: 1265: 1264:rafting event 1261: 1257: 1253: 1249: 1245: 1241: 1237: 1233: 1229: 1228: 1223: 1220: 1217: 1212: 1211: 1210:Amaurobioides 1206: 1205: 1204: 1201: 1200:Amaurobioides 1192: 1190: 1188: 1184: 1180: 1174: 1171: 1161: 1160: 1152: 1151: 1143: 1142: 1139: 1137: 1133: 1127: 1126: 1123: 1122: 1114: 1113: 1110: 1108: 1104: 1098: 1097: 1094: 1093: 1090: 1088: 1081: 1080: 1074: 1073: 1066: 1065: 1062: 1061: 1058: 1056: 1052: 1045: 1041: 1040: 1033: 1029: 1028: 1024: 1022: 1018: 1008: 1007: 999: 998: 990: 989: 986: 984: 980: 974: 973: 970: 969: 966: 964: 960: 954: 953: 947: 946: 943: 942: 934: 933: 925: 924: 921: 919: 915: 909: 908: 905: 904: 901: 899: 895: 889: 888: 882: 881: 878: 877: 874: 872: 868: 862: 861: 855: 854: 847: 843: 842: 835: 831: 826: 819: 815: 814: 809: 805: 801: 797: 792: 788: 786: 782: 778: 774: 770: 766: 762: 758: 754: 743: 740: 732: 729:November 2021 722: 718: 712: 711: 705: 700: 691: 690: 684: 675: 669: 662: 661: 653: 652: 644: 643: 635: 634: 626: 625: 617: 616: 613: 611: 605: 604: 601: 600: 597: 595: 589: 588: 582: 581: 578: 577: 569: 568: 560: 559: 556: 554: 548: 547: 544: 543: 540: 538: 537:Chloranthales 532: 531: 525: 524: 521: 520: 517: 515: 509: 508: 502: 501: 495: 494: 491: 490: 487: 485: 479: 478: 472: 471: 468: 467: 464: 462: 456: 455: 449: 448: 445: 444: 441: 439: 433: 432: 425: 421: 420: 416: 415: 412: 410: 406: 405:fossil record 402: 398: 394: 390: 386: 385:New Caledonia 382: 381:Amborellaceae 378: 370: 369: 364: 357: 352: 350: 348: 347:lepidosaurian 344: 340: 336: 332: 328: 327: 321: 318:resemble the 316: 311: 307: 302: 300: 296: 295:plesiomorphic 292: 288: 284: 279: 276: 261: 254: 253: 245: 244: 236: 235: 227: 226: 223: 218: 217: 214: 213: 210: 205: 204: 198: 197: 194: 193: 190: 185: 184: 178: 177: 174: 173: 170: 162: 161: 154: 151: 150: 146: 145: 142: 136: 134: 132: 131:core 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Index

Basal clade
phylogenetics
rooted phylogenetic tree
cladogram
taxonomic rank
species diversity
taxon
key innovation
diversification
ancestral characters
sister group
core eudicots
Root
lineages
traits
plesiomorphic
primitive
systematists
last common ancestor
Amborella
oviparous
lactation
monotremes
tuatara
lepidosaurian

Amborella trichopoda
flowering plant
Amborellaceae
New Caledonia

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