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Ophiacodontidae (ophiacodont)
Taxonomy
Ophiacodontidae was named by Nopsca (1923). It is not extant. Its type is Ophiacodon.
It was reranked as the order Ophiacodontidae by Gardiner (1982).
It was assigned to Poliosauriformes by Hay (1930); to Ophiacodontia by Kuhn (1946); to Ophiacodontia by Nopcsa (1923), Lewis and Vaughn (1965) and Kuhn (1966); to Captorhinomorpha by Gardiner (1982); to Eupelycosauria by Kemp (1982) and Reisz (1986); to Pelycosauria by Carroll (1988); and to Eupelycosauria by Kissel and Lehman (2002).
It was reranked as the order Ophiacodontidae by Gardiner (1982).
It was assigned to Poliosauriformes by Hay (1930); to Ophiacodontia by Kuhn (1946); to Ophiacodontia by Nopcsa (1923), Lewis and Vaughn (1965) and Kuhn (1966); to Captorhinomorpha by Gardiner (1982); to Eupelycosauria by Kemp (1982) and Reisz (1986); to Pelycosauria by Carroll (1988); and to Eupelycosauria by Kissel and Lehman (2002).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1878 | Clepsydropidae Cope p. 529 |
| 1902 | Clepsydropidae Hay p. 431 |
| 1907 | Clepsydropidae Case |
| 1907 | Poliosauridae Case |
| 1910 | Poliosauridae Case p. 183 |
| 1923 | Ophiacodontidae Nopcsa p. 18 |
| 1923 | Ophiacodontidae Nopsca |
| 1928 | Clepsydropidae Perrier p. 3085 |
| 1930 | Poliosauridae Hay p. 47 |
| 1930 | Ophiacodontidae Hay p. 49 |
| 1946 | Ophiacodontidae Kuhn p. 56 |
| 1965 | Ophiacodontidae Lewis and Vaughn p. C26 |
| 1966 | Ophiacodontidae Kuhn p. 118 |
| 1982 | Ophiacodontidae Gardiner p. 228 |
| 1982 | Ophiacodontidae Kemp p. 348 |
| 1986 | Ophiacodontidae Reisz p. 66 |
| 1988 | Ophiacodontidae Carroll |
| 2002 | Ophiacodontidae Kissel and Lehman p. 536 |
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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.
Fm. †Ophiacodontidae Nopsca 1923 [ophiacodont]
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G. †Baldwinonus Romer and Price 1940
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†Baldwinonus dunkardensis Romer 1952
†Baldwinonus trux Romer and Price 1940
G. †Clepsydrops Cope 1875
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†Clepsydrops collettii Cope 1875
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Invalid names: Archaeobelus vellicatus Cope 1877 [synonym], Clepsydrops pedunculatus Cope 1877 [synonym]
†Clepsydrops magnus Romer 1961
†Clepsydrops vinslovii Cope 1877
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Invalid names: Captorhinus illinoisensis Williston 1911 [synonym]
Invalid names: Archaeobelus Cope 1877 [synonym]
G. †Diopeus Cope 1892
G. †Ophiacodon Marsh 1878
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†Ophiacodon hilli Romer 1925
†Ophiacodon major Romer and Price 1940
†Ophiacodon mirus Marsh 1878
†Ophiacodon navajovicus Case 1907
†Ophiacodon retroversus Cope 1878
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Invalid names: Clepsydrops leptocephalus Cope 1884 [synonym], Theropleura triangulata Cope 1878 [synonym], Therosaurus watsoni von Huene 1925 [synonym]
†Ophiacodon uniformis Cope 1878
Invalid names: Poliosaurus Case 1907 [synonym], Theropleura Cope 1878 [synonym], Winfieldia Romer 1925 [synonym]
G. †Varanosaurus Broili 1904
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†Varanosaurus acutirostris Broili 1904
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Invalid names: Poecilospondylus francisi Case 1910 [synonym]
†Varanosaurus wichitaensis Romer 1937
Invalid names: Poecilospondylus Case 1910 [synonym]
Invalid names: Clepsydropidae Cope 1878 [synonym], Poliosauridae Case 1907 [synonym]
Diagnosis
No diagnoses are available