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The classification of the
Chlamydomonadales varies. Very often they are taken to include the orders Volvocales and Dunallielales, which contain closely related unicellular flagellates, as suborders. Colony inversion is believed to have arisen twice in this order. Spheroidal colony formation differs
257:
Schematic representation of the phylogenetic relationships of the volvocine algae and the parallel evolution of the spheroidal colony. Volvocine algae range from the unicellular
Chlamydomonas to the multicellular Volvox through various intermediate forms and are used as a model for research into the
225:
occur. In the former, cells divide until they form new colonies, which are then released. In the smaller forms, typically all cells are involved, but larger forms have anterior vegetative and posterior reproductive cells. Sexual reproduction varies from
262:
to Volvox, and the other in the genus
Astrephomene. The phylogeny is based on previous reports. All drawings and photographs represent side views of individuals with anterior ends orienting toward the top of this
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evolution of multicellularity. The spheroidal colony is thought to have evolved twice independently within this group: once in the
Volvocaceae, from
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541:"Alternative evolution of a spheroidal colony in volvocine algae: developmental analysis of embryogenesis in Astrephomene (Volvocales, Chlorophyta)"
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between the two lineages: rotation of daughter protoplasts during successive cell divisions in
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Yamashita S, Arakaki Y, Kawai-Toyooka H, Noga A, Hirono M, Nozaki H (November 2016).
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595:. World-wide electronic publication, National University of Ireland, Galway
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192:. Chlamydomonadales can form planar or spherical colonies. These vary from
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Material was copied from this source, which is available under a
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238:(one gender produces a much larger, nonmotile gamete).
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Creative
Commons Attribution 4.0 International License
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517:National Center for Biotechnology Information
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246:, and inversion after cell divisions in the
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204:(500 cells or more). Each cell has two
7:
971:2c2acc7d-831f-4e25-adb2-e178c091ea55
791:c0008161-58b3-48ce-95cd-b686ef788211
113:Fritsch in West & Fritsch, 1927
230:(both genders produce flagellated
208:, and is similar in appearance to
14:
276:accepted the following families:
62:
357:Bourrelly ex Groover & Bold
1:
508:webpage on Chlamydomonadales
421:K.R.Mattox & K.D.Stewart
1082:
510:. Data extracted from the
341:Setchell & N.L.Gardner
585:Guiry, M.D.; Guiry, G.M.
513:"NCBI taxonomy resources"
198:(four to 32 cells) up to
137:
130:
123:
118:
59:Scientific classification
57:
37:
28:
23:
429:Blackman & Tansley
349:Blackman & Tansley
264:
188:, specifically of the
48:Pleodorina californica
979:Paleobiology Database
272:As of May 2023,
256:
485:Molinari & Guiry
461:H.Nozaki & M.Ito
306:Characiochloridaceae
16:Order of green algae
587:"Chlamydomonadales"
314:Characiosiphonaceae
223:sexual reproduction
1061:Chlorophyta orders
434:Sphaerocystidaceae
322:Chlamydomonadaceae
282:Actinochloridaceae
265:
234:of equal size) to
24:Chlamydomonadales
1056:Chlamydomonadales
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799:Open Tree of Life
653:Chlamydomonadales
623:Chlamydomonadales
615:Taxon identifiers
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442:Sphaerodictyaceae
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402:Palmellopsidaceae
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373:(Pascher) Pascher
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354:Chlorosarcinaceae
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338:Chlorochytriaceae
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333:Bourrelly ex Fott
330:Chlorangiellaceae
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167:Chlamydomonadales
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109:Chlamydomonadales
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378:Haematococcaceae
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290:Asteromonadaceae
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169:, also known as
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44:Eudorina elegans
40:Gonium pectorale
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386:Hypnomonadaceae
365:T.A.Christensen
346:Chlorococcaceae
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157:Ol------s, 1904
151:Blochmann, 1895
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183:pseudociliated
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597:. Retrieved
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520:. Retrieved
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394:Palmellaceae
298:Carteriaceae
271:
244:Astrephomene
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917:iNaturalist
863:Wikispecies
724:iNaturalist
647:Wikispecies
474:Volvocaceae
410:Phacotaceae
248:Volvocaceae
186:green algae
179:flagellated
155:Volvocales
144:orth. zool.
89:Chlorophyta
1050:Categories
869:Volvocales
839:Volvocales
599:2023-05-14
551:(1): 243.
522:2007-03-19
492:References
171:Volvocales
140:Volvocida
125:See text.
85:Division:
50:, and (D)
997:100364778
662:AlgaeBase
592:AlgaeBase
477:Ehrenberg
453:Korshikov
405:Korshikov
389:Korshikov
381:G.M.Smith
370:Goniaceae
285:Korshikov
274:AlgaeBase
260:Pandorina
173:, are an
119:Families
992:Tropicos
883:11820857
854:Q1067225
848:Wikidata
742:11905246
674:BioLib:
638:Q8345469
632:Wikidata
567:27829356
503:See the
469:Wittrock
445:C.-C.Jao
397:Decaisne
268:Families
206:flagella
132:Synonyms
814:6561859
716:8223403
558:5103382
325:F.Stein
317:Iyengar
301:Pascher
293:PĂ©terfi
263:figure.
232:gametes
228:isogamy
219:asexual
105:Order:
95:Class:
1007:432419
1004:uBio:
984:306724
968:NZOR:
922:118483
827:732333
811:uBio:
804:347099
788:NZOR:
755:954926
729:345798
677:128704
667:106540
565:
555:
413:Francé
236:oogamy
201:Volvox
195:Gonium
46:, (C)
42:, (B)
1033:18526
1028:WoRMS
935:11607
930:IRMNG
896:1VLXO
822:WoRMS
737:IRMNG
309:Skuja
217:Both
175:order
73:Clade
948:5416
943:ITIS
904:GBIF
891:EPPO
781:3042
776:NCBI
750:ITIS
711:GBIF
703:3227
563:PMID
505:NCBI
221:and
38:(A)
1015:WFO
956:NBN
909:632
878:EoL
763:NBN
698:EoL
685:CoL
553:PMC
181:or
177:of
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690:XH
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549:16
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531:^
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525:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
