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Crossopterygii
Taxonomy
Crossopterygidae was named by Huxley (1861). It is extant.
It was reranked as the superorder Crossopterygia by Cope (1887) and Hay (1902); it was reranked as the order Crossopterygii by Woodward (1891), Gadow (1898) and Woodward (1916); it was reranked as the unranked clade Crossopterygii by Jaekel (1911) and Säve-Söderbergh (1934); it was reranked as the subclass Crossopterygii by Heintz (1934) and Jordan (1963); it was corrected as Crossopterygii by Daly (1973).
It was assigned to Ganoidei by Huxley (1861); to Teleostomi by Hay (1902); to Holostea by Jaekel (1911); to Teleostomi by Cope (1887) and Woodward (1916); to Teleostomi by Woodward (1891), Gadow (1898) and Heintz (1934); to Choanata by Säve-Söderbergh (1934); to Pisces by Jordan (1963); and to Sarcopterygii by Daly (1973).
It was reranked as the superorder Crossopterygia by Cope (1887) and Hay (1902); it was reranked as the order Crossopterygii by Woodward (1891), Gadow (1898) and Woodward (1916); it was reranked as the unranked clade Crossopterygii by Jaekel (1911) and Säve-Söderbergh (1934); it was reranked as the subclass Crossopterygii by Heintz (1934) and Jordan (1963); it was corrected as Crossopterygii by Daly (1973).
It was assigned to Ganoidei by Huxley (1861); to Teleostomi by Hay (1902); to Holostea by Jaekel (1911); to Teleostomi by Cope (1887) and Woodward (1916); to Teleostomi by Woodward (1891), Gadow (1898) and Heintz (1934); to Choanata by Säve-Söderbergh (1934); to Pisces by Jordan (1963); and to Sarcopterygii by Daly (1973).
Synonymy list
| Year | Name and author |
|---|---|
| 1861 | Crossopterygidae Huxley p. 24 |
| 1887 | Crossopterygia Cope p. 1017 |
| 1891 | Crossopterygii Woodward p. 316 |
| 1898 | Crossopterygii Gadow p. 7 |
| 1902 | Crossopterygia Hay p. 356 |
| 1911 | Crossopterygii Jaekel p. 75 |
| 1916 | Crossopterygii Woodward p. 21 |
| 1934 | Crossopterygii Heintz p. S181 |
| 1934 | Crossopterygii Säve-Söderbergh p. 17 |
| 1963 | Crossopterygii Jordan p. 608 |
| 1973 | Crossopterygii Daly p. 567 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Or. Crossopterygii Huxley 1861
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Or. Coelacanthini
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G. †Osteopleurus Schaeffer 1941
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†Osteopleurus milleri Shainin 1943
†Osteopleurus newarki Bryant 1934
Or. †Cyclolepidi Jaekel 1911
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Invalid names: Diplocerci Jaekel 1911 [empty], Holoptychii Jaekel 1911 [empty], Onychodonti Jaekel 1911 [empty]
Fm. †Osteolepidae
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G. †Megalichthys Agassiz 1835
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†Megalichthys coccolepis Young 1870
†Megalichthys hibberti Agassiz 1835
†Megalichthys intermedius Woodward 1891
†Megalichthys laevis Traquair 1890
†Megalichthys laticeps Traquair 1884
†Megalichthys macropoma Cope 1892
†Megalichthys maxillaris Agassiz 1843
†Megalichthys mullisoni Downs and Daeschler 2020
†Megalichthys nitens Fritsch 1889
†Megalichthys priscus Agassiz 1843
†Megalichthys pygmaeus Traquair 1841
†Megalichthys rugosus Young 1870
Invalid names: Centrodus M'Coy 1848 [synonym], Megalichthys anceps Newberry 1888 [nomen oblitum], Megalichthys angustus Newberry 1856 [nomen oblitum], Megalichthys incurvus Newberry 1856 [nomen oblitum]
Invalid names: Amii Jaekel 1911 [empty], Belonorhynchi Jaekel 1911 [empty], Belonostomi Jaekel 1911 [empty], Coelacanthini [empty], Eugnathi Jaekel 1911 [empty], Haplistia Cope 1870 [empty], Heterocerci Jaekel 1911 [empty], Lepidostei Huxley [empty], Platysomi Traquair [empty], Polypterini Bonaparte 1837 [empty], Taxistia Cope 1887 [empty]
Diagnosis
No diagnoses are available