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Secodontosaurinae
Taxonomy
Secodontosaurinae was named by Romer and Price (1940).
It was assigned to Sphenacodontidae by Romer and Price (1940), Kuhn (1946), Kuhn (1966), Kemp (1982) and Reisz (1986).
It was assigned to Sphenacodontidae by Romer and Price (1940), Kuhn (1946), Kuhn (1966), Kemp (1982) and Reisz (1986).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Secodontosaurinae Romer and Price pp. 19, 309 |
| 1946 | Secodontosaurinae Kuhn p. 56 |
| 1966 | Secodontosaurinae Kuhn p. 122 |
| 1982 | Secodontosaurinae Kemp p. 348 |
| 1986 | Secodontosaurinae Reisz p. 75 |
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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.
Subfm. †Secodontosaurinae Romer and Price 1940
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G. †Secodontosaurus Romer 1936
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†Secodontosaurus obtusidens Cope 1880
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Invalid names: Dimetrodon longiramus Case 1907 [synonym], Secodontosaurus willistoni Romer 1936 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Artinskian to the top of the Kungurian or 290.10000 to 272.30000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | USA (Texas) | Dimetrodon longiramus (28238) Dimetrodon obtusidens (28149) Theropleura obtusidens (28142) | |
| Artinskian - Kungurian | USA (Texas) | Dimetrodon obtusidens (28253) | |
| Kungurian | USA (Texas) | Secodontosaurus willistoni (28267) |