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Therapsida (therapsid)

Synonymy list
YearName and author
1905Therapsida Broom p. 269
1910Therapsida Gregory p. 464
1911Therapsidi Jaekel p. 182
1913Therapsida Broom
1930Therapsida Hay p. 60
1937Therapsida Roxo p. 43
1953Therapsida Olson and Beerbower p. 414
1954Therapsida Haughton and Brink p. 5
1954Therapsida Huene p. 29
1962Therapsida Olson pp. 47, 95
1972Therapsida Ellenberger p. 152
1972Therapsida Waldman and Savage
1974Therapsida Barry p. 121
1974Therapsida Olson p. 28
1988Therapsida Carroll
1991Therapsida Rubidge
1995Therapsida Long and Murry p. 199
1996Therapsida Laurin and Reisz p. 95
1997Therapsida King and Jenkins p. 150
2001Therapsida Rubidge and Sidor
2011Therapsida Fröbisch and Reisz p. 341 fig. 6
2011Therapsida Kammerer et al.
2012Novocynodon kutorgai Ivakhnenko
2017Therapsida Olroyd et al.
2019Therapsida Sulej and Niedźwiedzki p. S4

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phylumChordataHaeckel 1874
subclassDipnotetrapodomorpha(Nelson 2006)

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.

No diagnoses are available
No measurements are available
Composition: phosphaticsubp
Maximum body mass: 1374.7 kgs
Minimum body mass: 3 gs
Environment: terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: s = species, c = class, subp = subphylum, uc = unranked clade
References: Kay 1994, Johnson and Madden 1997, Hu et al. 2005, Vizcaíno et al. 2010, Carroll 1988, Kay and Cozzuol 2006, Hendy et al. 2009, Kay et al. 2008, Uhen and Gingerich 1995, Fleagle 1990, Hopson 1973, Madden 1997

Age range

Maximum range based only on fossils: base of the Ufimian to the top of the Holocene or 279.50000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 279.3 Ma

Collections (21493 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Permian298.9 - 252.17South Africa (Northern Cape) Burnetiamorpha indet. (190040)
Permian298.9 - 252.17South Africa Burnetiamorpha sp. (190042 190043) Lemurosaurus pricei (190136)
Artinskian290.1 - 279.3South Africa (Northern Cape) Jonkeria ingens (90345)
Ufimian279.5 - 272.5Russian Federation (Perm Krai) Syodon biarmicum (187716)
Ufimian - Late/Upper Kazanian279.5 - 268.0Russian Federation (Udmurtia) Microsyodon orlovi (187322) Parabradysaurus udmurticus (189304)
Ufimian - Late/Upper Kazanian279.5 - 268.0Russian Federation (Udmurt) Kamagorgon ulanovi (187932)
Ufimian - Late/Upper Kazanian279.5 - 268.0Russian Federation (Komi Republic) Biarmosuchus sp., Kamagorgon sp., Parabradysaurus silantjevi (180620)
Ufimian - Late/Upper Kazanian279.5 - 268.0Russian Federation (Tatarstan) Microsyodon sp. (84717)
Kungurian279.3 - 272.3South Africa (West Cape) Tapinocaninus pamelae (117279)
Kungurian279.3 - 272.3USA (Texas) Tetraceratops insignis (28256)
Kungurian - Roadian279.3 - 268.8USA (Texas) Driveria ponderosa (80689) Mastersonia driverensis (85170) Phthinosuchidae sp., Gorgodon minutus, Knoxosaurus niteckii (79600) Steppesaurus gurleyi (79694)
Late/Upper Kazanian - Urzhumian272.5 - 265.0Russian Federation (Arkhangelsk) Biarmosuchus tagax (187646) Biarmosuchus tagax, Niaftasuchus sp. (187645) Biarmosuchus tagax, Reiszia tippula (187653) Niaftasuchus zekkeli (187647) Niaftasuchus zekkeli, Alrausuchus tagax, Nikkasaurus tatarinovi, Reiszia gubini (187648)
Roadian272.3 - 268.8China (Gansu) Stenocybus acidentatus, Sinophoneus yumenensis, Raranimus dashankouensis (85431)
Guadalupian272.3 - 259.9Zambia (Southern) Anteosauridae indet., Tapinocephalidae indet., Burnetiidae indet., Gorgonopsidae indet., Wantulignathus gwembensis (171619)
Guadalupian272.3 - 259.9South Africa (Western Cape) Titanosuchus ferox, Aelurosaurus felinus, Aelurosaurus whaitsi, Aelurosauroides watsoni, Hyorhynchus platyceps, Mormosaurus seeleyi, Cerdodon tenuidens (177007)
Guadalupian272.3 - 259.9South Africa (Free State) Choerosaurus dejageri (188666 188669)
Wordian268.8 - 265.1Russian Federation Dinocephalia indet. (197588 197767) Therapsida indet. (197595)
Wordian268.8 - 265.1South Africa (Western Cape) Australosyodon nyaphuli (94778) Glanosuchus macrops, Ictidosaurus angusticeps (94649) Therapsida indet. (94777)
Wordian - Capitanian268.8 - 259.9Brazil (Rio Grande do Sul) Pampaphoneus biccai (185751) Titanosuchidae indet., Tapinocephalidae indet., Brithopodinae indet., Anteosauroidea indet., Dinocephalia indet. (78657)
Wordian - Capitanian268.8 - 259.9South Africa (Western Cape) Bullacephalus jacksoni (176306)