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Seymouria
Taxonomy
Seymouria was named by Broili (1904). It is not extant. It was considered monophyletic by Laurin (1995).
It was synonymized subjectively with Conodectes by Sushkin (1926) and Hay (1930).
It was assigned to Pareiasauridae by Broili (1904); to Seymouriamorpha by Olson (1979); to Seymouriidae by Vaughn (1966), Carroll et al. (1972), Carroll (1988), Laurin (1995) and Bulanov (2003); and to Seymouridae by Case (1911) and Martens et al. (2005).
It was synonymized subjectively with Conodectes by Sushkin (1926) and Hay (1930).
It was assigned to Pareiasauridae by Broili (1904); to Seymouriamorpha by Olson (1979); to Seymouriidae by Vaughn (1966), Carroll et al. (1972), Carroll (1988), Laurin (1995) and Bulanov (2003); and to Seymouridae by Case (1911) and Martens et al. (2005).
Synonymy list
Year | Name and author |
---|---|
1904 | Seymouria Broili p. 81 figs. Pl. XIII |
1911 | Seymouria Case pp. 9, 50 |
1966 | Seymouria Vaughn p. 604 |
1972 | Seymouria Carroll et al. p. 27 |
1979 | Seymouria Olson |
1988 | Seymouria Carroll |
1995 | Seymouria Laurin p. 2 |
2003 | Seymouria Bulanov |
2005 | Seymouria Martens et al. |
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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.
G. †Seymouria Broili 1904
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†Seymouria baylorensis Broili 1904
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Invalid names: Desmospondylus anomalus Williston 1910 [synonym]
†Seymouria grandis Olson 1979
†Seymouria sanjuanensis Vaughn 1966
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: c = class, subp = subphylum, uc = unranked clade | |||||
References: Carroll 1988, Hendy et al. 2009 |
Age range: base of the Artinskian to the top of the Kungurian or 290.10000 to 272.30000 Ma
Collections (17 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Wolfcamp | USA (New Mexico) | S. sanjuanensis (218165) | |
Wolfcamp | USA (Colorado) | S. sp. (85479) | |
Artinskian | Germany (Thuringia) | S. sanjuanensis (80112) | |
Artinskian | USA (Utah) | S. sanjuanensis (218163 218164) | |
Artinskian | USA (Oklahoma) | S. baylorensis (79402) S. sp. (67862) | |
Kungurian | USA (Oklahoma) | S. grandis (181086 181087) | |
Kungurian | USA (Texas) | S. baylorensis (28264) S. baylorensis, Desmospondylus anomalus (28256) S. grandis (178738) S. sp. (22715 28266 28267 28272 67735) |