词条 | Osteolepidida |
释义 |
| name = Osteolepidida | fossil_range = {{Fossil range|396|299}}Middle Devonian to Late Carboniferous | image = Osteolepis BW.jpg | image_width = 200px | image_caption = Osteolepis. | regnum = Animalia | phylum = Chordata | subphylum = Vertebrata | classis = Sarcopterygii | subclassis = Tetrapodomorpha | superordo = Osteolepidida* | subdivision_ranks = Clades | subdivision =
}}Osteolepidida, also known as osteolepiformes,[1] are a group of prehistoric lobe-finned fishes which appeared first time during the Devonian period. The order contains five families: Canowindridae, Megalichthyidae, Osteolepidae, Thysanolepidae and Tristichopteridae. The superorder is generally considered to be paraphyletic because the characters that define it are mainly attributes of stem tetrapodomorphs.[1] Below is a cladogram showing the paraphyly of Osteolepiformes compiled and modified from Ahlberg and Johanson (1998).[1] See also Swartz 2012.[2] The Osteolepiformes are marked by the green bracket. {{Barlabel|size=23|at=8.5|label=Osteolepidida|colour=green|style=font-size:90%|cladogram={{clade| style=line-height:75% |label1=Tetrapodomorpha |1={{clade |1=Kenichthys |2={{clade |label1=Rhizodontida |1={{cladex |1=Barameda |2=Gooloogongia}} |2={{cladex |1={{cladex |1=Gogonasus | barbegin1=green |2=Osteolepis | bar2=green |2={{cladex |1={{cladex |1={{cladex |1=Megalichthys |bar1=green |2=Cladarosymblema |bar2=green |2=Ectosteorhachis |bar2=green |2={{cladex |1=Medoevia |bar1=green |2={{cladex |1={{cladex |1={{cladex |1=Koharolepis |bar1=green |2=Canowindra |bar2=green |2=Beelarongia |bar2=green |2={{cladex |1=Gyroptychius |bar1=green |2={{cladex |label1=Tristichopteridae |1={{cladex |1={{cladex |1={{cladex |1={{cladex |1={{cladex |1=Eusthenodon |bar1=green |2=Mandageria |bar2=green |2=Cabonnichthys |bar2=green |2=Platycephalichthys |bar2=green |2=Jarvikina |bar2=green |2=Eusthenopteron |bar2=green |3=Tristichopterus |barend3=green |2={{clade |1=Panderichthys |label2=Tetrapoda |2={{clade |1=Acanthostega |2=Ichthyostega }} }} }} }} }} }} }} }} }} }} }} }} References1. ^1 2 {{cite journal |last=Ahlberg |first=P. E. |author2=Johanson, Z. |year=1998 |title=Osteolepiforms and the ancestry of tetrapods |journal=Nature |volume=395 |pages=792–794 |doi=10.1038/27421 |issue=6704 |url=http://www.biology.ualberta.ca/courses.hp/biol606/papers/Ahlberg+1998.pdf |bibcode=1998Natur.395..792A}} 2. ^{{cite journal | last = Swartz | first = B. | year = 2012 | title = A marine stem-tetrapod from the Devonian of Western North America | journal = PLoS ONE | pmid = 22448265 | volume = 7 | issue = 3 | pmc = 3308997 | pages = e33683 | doi = 10.1371/journal.pone.0033683 | url = http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0033683;jsessionid=E4E007B3FAC50B3B0C7C2B8B0CBE3F83 | format = | accessdate = | bibcode = 2012PLoSO...733683S }} External links
4 : Osteolepiformes|Fish superorders|Prehistoric fish taxonomy|Paraphyletic groups |
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