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Sphenacodontinae
Taxonomy
Sphenacodontinae was named by Romer (1936). Its type is Sphenacodon.
It was assigned to Sphenacodontidae by Romer (1936), Kuhn (1946), Kuhn (1966), Berman (1977) and Reisz (1986).
It was assigned to Sphenacodontidae by Romer (1936), Kuhn (1946), Kuhn (1966), Berman (1977) and Reisz (1986).
Subtaxa
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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. †Sphenacodontinae Romer 1936
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G. †Bathygnathus Leidy 1853
G. †Ctenospondylus Romer 1936
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†Ctenospondylus casei Romer 1936
†Ctenospondylus ninevehensis Berman 1978
G. †Dimetrodon Cope 1878
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†Dimetrodon angelensis Olson 1962
†Dimetrodon booneorum Romer 1937
†Dimetrodon borealis Leidy 1853
†Dimetrodon dollovianus Cope 1888
†Dimetrodon giganhomogenes Case 1907
†Dimetrodon limbatus Cope 1877
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Invalid names: Dimetrodon incisivus Cope 1878 [synonym], Dimetrodon rectiformis Cope 1878 [synonym], Dimetrodon semiradicatus Cope 1881 [synonym]
†Dimetrodon loomisi Romer 1937
†Dimetrodon milleri Romer 1937
†Dimetrodon natalis Cope 1878
†Dimetrodon occidentalis Berman 1977
†Dimetrodon teutonis Berman et al. 2001
G. †Neosaurus Nopsca 1923
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†Neosaurus cynodus Gervais 1869
Invalid names: Geosaurus Gervais 1869 [replaced]
G. †Sphenacodon Marsh 1878
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†Sphenacodon britannicus von Huene 1908
†Sphenacodon ferocior Romer 1937
†Sphenacodon ferox Marsh 1878
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Invalid names: Scoliomus puercensis Williston and Case 1913 [synonym]
Invalid names: Oxyodon von Huene 1908 [replaced]
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 |
Collections (103 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Kasimovian - Kungurian | USA (Utah) | Sphenacodon sp. (218159) | |
Stephanian B | Czech Republic (Rakovník) | Macromerion schwarzenbergii, Macromerion schwartzenbergii (154179) | |
Gzhelian - Sakmarian | USA (New Mexico) | Sphenacodon sp. (180989) | |
Virgilian | USA (New Mexico) | Sphenacodon ferox (34761) | |
Virgilian - Wolfcamp | USA (New Mexico) | Sphenacodon ferox (77412) | |
Asselian | United Kingdom (England) | Oxyodon britannicus (80783) | |
Asselian | USA (Texas) | Dimetrodon sp. (173721 207496) | |
Autunian | France (Jura) | Geosaurus cynodus (181051) | |
Asselian - Sakmarian | USA (Texas) | Dimetrodon natalis (11165) Dimetrodon sp. (113555) | |
Permian | USA (Oklahoma) | Dimetrodon limbatus (221391 221392) | |
Wolfcamp | USA (Texas) | Dimetrodon limbatus (180978) Dimetrodon milleri (79162) | |
Wolfcamp | USA (New Mexico) | Dimetrodon limbatus (181037) Dimetrodon sp. (181078) Sphenacodon ferocior (80916 180382 181076) Sphenacodon ferocior, Dimetrodon occidentalis (28067) Sphenacodon ferocior, Dimetrodon occidentalis, Sphenacodon sp., Dimetrodon occidentalis (180974) Sphenacodon ferox (80833 179932 180106 180383 180384 180940) Sphenacodon sp. (85436 181075) Sphenacodon sp., Sphenacodon ferox (181077) | |
Wolfcamp - Leonard | USA (Utah) | Sphenacodon ferocior, Ctenospondylus casei (80110) | |
Sakmarian | USA (Ohio) | Ctenospondylus ninevehensis (80877) | |
Sakmarian | USA (Texas) | Dimetrodon incisivus (28124) Dimetrodon sp. (28120 28123 28125) | |
Sakmarian - Artinskian | USA (Texas) | Dimetrodon sp. (28324) | |
Sakmarian - Artinskian | USA (New Mexico) | Sphenacodon sp. (180988) | |
Artinskian | Germany (Thuringia) | Dimetrodon teutonis (80112) | |
Artinskian | USA (Texas) | Clepsydrops macrospondylus (28238) Clepsydrops natalis, Clepsydrops limbatus, Dimetrodon semiradicatus (108766) Clepsydrops natalis, Dimetrodon rectiformis (28142) Dimetrodon booneorum (13080) Dimetrodon milleri (84716) Dimetrodon sp. (22714 28141 28143 28144 28145 28147 28148 28150 28239 28240) Dimetrodon sp., Ctenospondylus casei (28146) | |
Artinskian | USA (Oklahoma) | Dimetrodon sp. (67862 79402 220872) | |
Artinskian | Canada (Prince Edward Island) | Bathygnathus borealis (48897) | |
Artinskian - Kungurian | USA (Oklahoma) | Dimetrodon dollovianus, Dimetrodon macrospondylus, Dimetrodon platycentrus (85733) | |
Artinskian - Kungurian | USA (Texas) | Dimetrodon semiradicatus (28253) Dimetrodon sp. (28241 28242 28249 28250 28252 85299 85300 85301) | |
Artinskian - Roadian | USA (Texas) | Dimetrodon sp. (180992) | |
Leonard | USA (Texas) | Dimetrodon gigashomogenes (85362) | |
Leonard | USA (Oklahoma) | Dimetrodon grandis, Dimetrodon giganhomogenes (180990) Dimetrodon limbatus (85567 180991) Dimetrodon sp. (79815 84941 87054) | |
Kungurian | USA (Texas) | Clepsydrops natalis, Dimetrodon incisivus, Dimetrodon loomisi (28267) Dimetrodon gigashomogenes (12976 27704 85553 177000 177003 177014 177017 177019 178738) Dimetrodon loomisi, Dimetrodon gigashomogenes, Embolophorus dollovianus (28256) Dimetrodon sp. (28251 28261 28264 28270 67735 67737 85551 85552 85554) Dimetrodon sp., Dimetrodon grandis, Theropleura grandis (28275) | |
Kungurian | USA (Oklahoma) | Dimetrodon loomisi (67945) Dimetrodon sp. (79602) | |
Kungurian - Roadian | USA (Texas) | Dimetrodon angelensis (80689 85170) |