Knowledge (XXG)

Talk:Dinosaur classification

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become euornithopods. But some of the different techniques you can use produced heteros as basal marginocephalians and the authors conclude that more study is needed. There has been a lot of work recently on the hyspie-grade ornithopods, but very little on the heteros. I think a lot of people are content to just put them in an unresolved trichotomy with marginocephalians and ornithopods until we know more. In college I wrote a paper on the subject, so it is near and dear to my heart. :) Anyway I think they are fine where they are now.
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leading up to the major families, in which all members are very similar at least superficially (early coelurosaurs, hypsilophodonts, maybe prosauropods) I do think it's more convinient to lump them into a paraphyletic family just for the sake of accessibility. A layman reading up on Proceratosaurus might find a ready link to Ornitholestes and Tanycolagreus useful, and probably won't know or care about paraphyly, while somebody in the know will see the note on paraphyly and know what's up.
193: 620:, and I don't think it's needed here. The article should provide a comprehensive overview of the major schema (Benton and Weishampel are a great start), discuss the areas of uncertainty, and cover all the major points of contention. If that doesn't explain the taxoboxes, either the article needs to be expanded to include the missing information, or the taxoboxes need to be changed because they're not using widely accepted, easily justified standard. -Pat | 74: 183: 162: 53: 22: 84: 888:. The main difference is someone has worked on the mammal articles, while in this case, I've done most of the work on the corresponding sections in the main article but have been doing other things as well. Evolution of dinosaurs would look a lot better simply by plopping those sections over the current version (making sure to take the necessary refs as well). 837:. It's difficult combining evolution and classification articles, I think. There's a long and interesting history of different classifications that needs to be taken into account. Classification is a reference tool we use to categorize animals, often (especially historically) somewhat separate from their actual genealogy. 734:
All that work and I find out it was spelled wrong on here. Mamenchisauridae=Euhelopodidae. The subfamily is called Mamenchisaurinae, an "n" instead of a "d". This I found out after research on creating that page and finding out it was worthless. I'm a little mad....i'll go ahead and change it. Oh and
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This is kind of a good point... maybe it should be in the WP namespace as the compromise classification used on Knowledge (XXG). Then the actual dinosaur classification article should maybe talk more about different schemes proposed in the literature, which aside from individual genera, seem to be a
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I have a list of proposed changes which I would like to make to our classification scheme. I am not sure if I should just change it myself, but I'd thought I'd run it by some people first. If nobody responds, I'll just do the ones with high priority, cause in many ways, Benton's taxonomy is... well,
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Ditch Chuniaoia... nobody uses it at all. The original publishers of the name don't even use it, they actually just left it in the supplementary information of their paper by mistake, after deleting it from the body of the text. All it includes is Protarchaeopteryx anyway... might as well just list
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That is, just don't do it. This isn't a place for us to synthesize a number of different taxonomies into one, it's a scheme put forward by one author who we have cited. It doesn't have to match what's in the articles, as classifications may change from one paper to the next--we can cite that as we
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Many classifications under the Weishampel/Dodson/Osmolska sauropodomorph section are not in The Dinosauria II, such as Vulcanodontidae, Euhelopodidae, Mamenchisauridae, Flagellicaudata, Blikanasauridae, Andesauridae, Massospondylidae, Yunnanosauridae, and Thecodontosauridae (and Cetiosauridae is a
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As far as heterodontosaurs being marginocephalians or not, you can see Norman et al. in The Dinosauria II, they discuss it in the basal ornithopod chapter. Basically, their position is unresolved. Most of the time heteros actually came up as basal ornithopods, below the 'hypsies', which would then
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The content of both articles is based on the same set of knowledge: since humans were not present to observe dinosaur evolution directly, this knowledge must be inferred, and it is this inference which leads to their classification. In smaller articles, phylogeny and taxonomy are listed together.
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Heterodontosauridae should be moved out of Marginocephalia. While it is a very appealing idea to me, there is a huge amount of disagreement on the topic. Some workers put it in Marginocephalia, others in Ornithopoda, others outside of both. I think we should put it outside of both, but inside of
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While the information contained on this page is interesting, I think two things need to be added: The standardized dinosaur classification being implemented throughout Knowledge (XXG), and a phylogenetic tree that uses cladistics. I'm going to start working on the first since it should be pretty
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My opinion on this is that yes, in most cases every genus does not need a family (there are already many that only list superfamily or even some norank taxa, esp in the big superfamilies like tyrannosaurs and ornithomimes). However in cases where you have a long gradient of single-genera clades
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Removal of Spinosauroidea from Carnosauria... nobody besides Benton includes it there. Everybody else would remove it and make it a sister taxon to Avethropoda, which is a group containing Carnosauria (which is more often used instead of Allosauroidea) and Coelurosauria.
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Also, regarding Oviraptoriformes. I've seen a note repeatedly get attached here asking for a "proper" name for this clade. Oviraptoriformes is the proper name. Sereno 2005, and I believe it's been used in one or two other sources since then for the ovi+theri group.
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I'm not opposed to discussing the other published classifications, though I think the one we use here should be on this page, just to help people make better sense of the taxoboxes. Having the taxoboxes use a classification scheme that is not listed in the article
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has been a stub for the half-year since its creation, only giving a brief overview of dinosaurs' closest relatives and the earliest dinosaurs, and I cannot see this being expanded on short of a major set of palaeontological discoveries. By contrast,
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Replace Titanosauridae with Titanosauria... this is recommended by leading sauropod workers like Upchurch and Wilson, but it might not matter for our purposes here. This is something that could just be mentioned on the Titanosauridae page instead.
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Ditch Chuniaoia... nobody uses it at all. The original publishers of the name don't even use it, they actually just left it in the supplementary information of their paper by mistake, after deleting it from the body of the text. All it includes is
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a widely accepted, easily justified standard. I am currently working on this article to make it more or less completely non-self-referential, but it will take a while as there is a lot to do. Don't stop making any necessary changes though!
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We should also remove Alvarezsauridae from Ornithomimosauria, or at least put a question mark in front of the name, as everyone seems to have a different opinion of where they go. I would put them right under Coelurosauria, with a question
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goes into great detail on the different stages of evolution in the lineage that led from dinosaurs to birds, with many specific comparisons being made, and a large section on theories regarding the origins of bird flight.
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would be a better title. It would also open the door to more general discussions about how thoroughly the dinosaurian radiation has been mapped, historical schemes, sticky issues, and so forth (a great example is
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I guess one of my major questions here is, does every genus need to be put into a family? Cause a lot of them can't be, unless you A) make a special family for each genus or B) allow paraphyletic families.
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I guess one of my major questions here is, does every genus need to be put into a family? Cause a lot of them can't be, unless you A) make a special family for each genus or B) allow paraphyletic families.
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seems to suggest that some authors consider(ed?) hypsilophodontia monophyletic (though they are early 90s....). At any rate this might be one case where I'd suggest leaving a clade as-is and marking it
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The first sentence contains a self-reference. Is this page meant to be in the WP namespace or is there some reason why this classification scheme is notable other than being used on wikipedia? Thanks
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Fair enough. I'm not a big fan of monotypic families, but I'm not sure listing individual genera here is a great idea, maybe just delete since they're already mentioned on the higher-level taxa pages.
536:) for the sake of clutter, like Coeluridae (which should be marked paraphyletic on this page too, btw). The taxonomy on Ornithopoda would be eight pages long if we eliminated all the paraphyly there. 214:-related topics and create a standardized, informative, comprehensive and easy-to-use resource on Knowledge (XXG). If you would like to participate, please visit the project page, where you can join 1159: 1082: 1081:
Non-expert here: The spindle diagram shown in this article doesn't say what the width of the spindles indicates. I guess it's probably number of families, but maybe that's worth specifying?
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We should also remove Alvarezsauridae from Ornithomimosauria, or at least put a question mark in front of the name, as everyone seems to have a different opinion of where they go.
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Agreed, put them under Coelurosauria, but maybe *after* T. and O.idae since they always come out at maniraptoriformes (also supported by their seemingly pennaceous feathers).
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Ditch Pisanosauridae and Fabrosauridae. There is really only one member of each of these families. I think we should just list Pisanosaurus and Lesothosaurus instead.
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Replace Titanosauridae with Titanosauria... this is recommended by leading sauropod workers like Upchurch and Wilson, but it might not matter for our purposes here.
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back when it was thought to be a diplodocid. Mamenchisauridae is the name for a potential family of Chinese Jurassic sauropods (essentially Euhelopodidae without
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My only problem with ditching it is that Protarchie and Incisivosaurus come out as a family on occasion, and Chuniaoia is the only published name for that group.
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I think that the two should remain seperate as, how the dinosaurs evolved from other archosaurs (naturally) is different from their classification (artificial).
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Cerapoda, until more is known for sure (which may not ever happen). Or at least put a question mark in front of it, to indicate that there is some uncertainty.
287:, which is well referenced and provides suitable context). However, I don't think changing all the links that point here to ] in the meantime is useful. -Pat | 271:
I think the article title is somewhat inappropriate, as it seems to refer to how the classification changed over time. Dinosaur classification would be better.
144: 700:-- FL might be more appropriate). Aranae did such a good job I used it as a model for this article when I added Benton's classification way back when. -Pat | 1164: 1149: 1139: 518:
I wasn't aware there was that much disagreement (pachys used to be in ornithopoda too, not for cladistic reasons obviously...). I'd go for a question mark.
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Heterodontosauridae should be moved out of Marginocephalia. While it is a very appealing idea to me, there is a huge amount of disagreement on the topic.
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from a stub into a full article. There's still a lot more editing to do and a lot more to add, but when it's finished it will in no way resemble
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Agreed, also already reflected on taxon pages. In fact I'm not sure we should get down to sub-family level on this page, so maybe just delete it.
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similar to what's already here. A discussion of ranked taxonomy vs. cladistics and how they apply to wikipedia would also be very useful.
1050: 1086: 720:, although I'm not sure that the family deserves a page). Were at least some of these included as a holdover from The Dinosauria I? 97: 58: 383:
Ditch Pisanosauridae and Fabrosauridae. There is really only one member of each of these families. I think we should just list
1116:: in this tree, the most recent common ancestor of Triceratops and Neornithes doesn't include Sauropodomorpha nor Eodromaeus. 33: 955:
Am I misreading this section or is the definition used the exact opposite of what the symbols show? The definition given is
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re: Chuniaoia... leave it then, and when somebody gets around to writing a page for it, we can be more specific.
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Hypsilophodontidae should be detonated as it is massively paraphyletic, unless you basically restrict it to just
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topics on Knowledge (XXG). If you would like to participate, please visit the project page, where you can join
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Looks really top-notch now, nice job. I agree about the (paraphyly) tag, that is an excellent compromise.
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http://www.sciencemag.org/news/2017/08/scientists-struggle-fit-strange-vegetarian-dinosaur-family-tree
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I think the two articles can do different things in a more complete state; a better comparison may be
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Euhelopodidae was the name for a family of Chinese Jurassic sauropods until it became apparent that
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Mamenchisauridae is not a misspelling. It is a disused subfamily name, as is Mamenchisaurinae.
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Within Carnosauria (or Allosauroidea), we should add Carcharodontosauridae and Sinraptoridae.
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Maybe, though Tyrannosauridae and Tyrannosaouroidea are the same page. For ornithomimes, yes.
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Within Carnosauria (or Allosauroidea), we should add Carcharodontosauridae and Sinraptoridae.
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Wait...so both are wrong? O_o Then why is Mamenchisauridae even on there in the first place?
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all organisms sharing a common ancestor that is not also an ancestor of the "lesser" taxon
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I wasn't aware it was in carnosauria, that might even be a misprint on my part. Change it.
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List Tyrannosauridae within Tyrannosauroidea and Ornithomimidae within Ornithomimosauria.
405:. But all the other 'hyspilophodonts' are just on a long line leading up to Iguanodontia. 348:
List Tyrannosauridae within Tyrannosauroidea and Ornithomimidae within Ornithomimosauria.
1062:(if you can't access these web pages try searching for Baron, Norman and Barrett 2017). 834: 1128: 994: 937: 838: 800: 749: 607: 548: 317: 299: 1120: 1117: 1090: 1071: 1060:
http://www.sciencemag.org/news/2017/03/t-rex-gets-new-home-shakeup-dino-family-tree
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It appears to make a lot more sense in the Baron/Norman/Barrett reclassification:
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Microraptoria should be a subfamily of Dromaeosauridae, not a separate family.
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Microraptoria should be a subfamily of Dromaeosauridae, not a separate family.
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was related to the titanosaurians. Mamenchisaurinae was a subfamily for
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Hypsilophodontidae should be detonated as it is massively paraphyletic
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Yup, Titanosauridae is an invalid taxon and already re-directs to
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I take your point, though a significant difference here is that
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So do I. At least cladistics is settling out a little. -Pat |
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is inconsistent with both proposed definitions of the clade
965:. Reading this in terms of the given definition means that 911:. The two will be complementary and barely overlap at all. 294:
Very good idea, I'm moving this page plus its talk page to
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Maybe a good model would be the equivalent bird articles:
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http://www.kheper.net/evolution/dinosauria/Cetiosauria.htm
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lot more uniform today than they were even 5 years ago.
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Agreed, this is the setup on the individual taxon pages.
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Start-Class Palaeontology articles of Mid-importance
210:, a collaborative effort to improve the coverage of 101:, a collaborative effort to improve the coverage of 671:. Have the authors considered nominating it at 1100:: clade Dinosauria inconsistent with definition 528:I'm not up on my ornithischians, but this page 1028:Does this genus fit into the classification? 429:Removal of Spinosauroidea from Carnosauria... 8: 692:You might want to suggest the same thing at 19: 960:. However the listed classification shows 663:It strikes me that this article meets the 156: 47: 951:Weishampel/Dodson/Osmólska classification 224:Knowledge (XXG):WikiProject Palaeontology 1083:2600:1700:A410:2D90:9002:B3E0:97BA:44BB 158: 49: 1155:Mid-importance Palaeontology articles 119:Knowledge (XXG):WikiProject Dinosaurs 7: 1104:Hello! It seems to me that the tree 1030:https://en.wikipedia.org/Chilesaurus 204:This article is within the scope of 95:This article is within the scope of 969:would include all the ancestors of 38:It is of interest to the following 1165:WikiProject Palaeontology articles 1150:Start-Class Palaeontology articles 1140:High-importance dinosaurs articles 962:Herrerasauria (Herrerasaurus : --> 679:was nominated there recently. -- 363:anyway... might as well just list 227:Template:WikiProject Palaeontology 14: 191: 181: 160: 82: 72: 51: 20: 977:that are not also ancestors of 957:The greater-than symbol (": --> 696:(which I recently nominated at 244:This article has been rated as 139:This article has been rated as 1145:WikiProject Dinosaurs articles 1135:Start-Class dinosaurs articles 122:Template:WikiProject Dinosaurs 1: 1121:05:37, 19 February 2022 (UTC) 669:Knowledge (XXG):Featured list 572:01:09, 15 February 2006 (UTC) 552:17:13, 14 February 2006 (UTC) 418:01:35, 14 February 2006 (UTC) 321:22:16, 11 December 2005 (UTC) 218:and see a list of open tasks. 113:and see a list of open tasks. 1072:11:20, 25 October 2017 (UTC) 1018:22:06, 24 January 2009 (UTC) 1003:21:04, 24 January 2009 (UTC) 963:Liliensternus, Plateosaurus) 498:, which covers Titanosauria. 303:19:39, 5 January 2006 (UTC) 1181: 1041:17:53, 27 April 2015 (UTC) 1008:Okay, changed. 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Spencer 718:Ceiosaurus 496:Titanosaur 413:Thoughts? 1033:Jcardazzi 778:Euhelopus 770:Euhelopus 116:Dinosaurs 103:dinosaurs 59:Dinosaurs 1106:Cau 2018 1098:Cau 2018 995:Khajidha 938:Dinoguy2 839:Dinoguy2 801:Rynosaur 667:to be a 665:criteria 608:Dinoguy2 549:Dinoguy2 391:instead. 367:instead. 318:Dinoguy2 300:Dinoguy2 1118:Grasyop 863:Robin S 817:Robin S 637:Sheep81 594:Sheep81 569:Sheep81 415:Sheep81 273:Phlebas 248:on the 143:on the 1108:shown 684:(Talk) 673:WP:FLC 658:WP:FLC 36:scale. 1096:Tree 698:WP:GA 681:ALoan 355:mark. 267:Title 1110:here 1087:talk 1068:talk 1037:talk 1014:talk 999:talk 973:and 942:talk 932:go. 917:talk 894:talk 884:and 867:talk 843:talk 833:and 821:talk 805:talk 583:Matt 387:and 135:High 105:and 675:? 632:was 240:Mid 1131:: 1089:) 1070:) 1039:) 1016:) 1001:) 993:. 944:) 919:) 896:) 869:) 845:) 823:) 807:) 1085:( 1066:( 1035:( 1012:( 997:( 940:( 915:( 892:( 865:( 841:( 819:( 803:( 532:( 298:. 252:. 147:. 42::

Index


content assessment
WikiProjects
WikiProject icon
Dinosaurs
WikiProject icon
Dinosaurs portal
WikiProject Dinosaurs
dinosaurs
dinosaur-related
the discussion
High
project's importance scale
WikiProject icon
Palaeontology
WikiProject icon
Paleontology portal
WikiProject Palaeontology
palaeontology
the discussion
Mid
project's importance scale
Phlebas
Dinosaur classification
Mammal classification
68.81.231.127
Dinosaur classification
Dinoguy2
19:39, 5 January 2006 (UTC)
Dinoguy2

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