Transitional Fossil List Part One: Pelycosaurs
Mammal like reptiles of the early Permian.
Romer
Valid.
Late Carboniferous[1] - Lower Permian[2]
United States of America[2]
Olson
Beerbower
Valid.
Upper Permian[3]
United States of America[3]
Anglosaurus
Bruner
Sic
N/A
N/A
Incorrect spelling for Angelosaurus[4]
Laurin
Valid.
Lower Permian[5]
United States of America[5]
Formerly assigned as a "eosuchian" diapsid.[6]
Cope
Syn.
N/A
N/A
Synonym of Clepsydrops[4]
Reisz
Valid.
Upper Carboniferous[1]
United States of America[1]
Reisz
Dilkes
Valid.
Upper Carboniferous[7]
United States of America[7]
Williston
Syn.
N/A
N/A
Synonym of Ophiacodon[8]
Romer
Price
Valid.
Late Carboniferous[1] - Early Permian[9]
United States of America[9]
Vaughn
Syn.
Lower Permian[1]
United States of America[1]
Synonym of Mycterosaurus[10]
Case
Syn.
N/A
N/A
Synonym of Dimetrodon[8]
Leidy
Valid.
Lower Permian[4]
United States of America[4]
Williston
Syn.
N/A
N/A
Boule
Glangeau
Syn.
N/A
N/A
Synonym of Haptodus[8]
Williston
Valid.
Lower Permian[1]
France and United States of America[1]
Olson
Beerbower
Valid.
Lower Permian[11]
United States of America[11]
Olson
Valid.
Upper Permian[12]
United States of America[12]
Cope
Valid.
Late Carboniferous[4]
United States of America[4]
Vaughn
Valid.
Lower Permian[4]
United States of America[4]
It is a protorothyridid eureptile[13]
Stovall
Valid.
Lower Permian[1]
United States of America[1]
Fröbisch
Schoch
Müller
Schindler
Schweiss
Valid.
Late Carboniferous[14]
Germany[14]
Hook
Hotton
Valid.
Upper Permian[15]
United States of America[15]
Romer
Valid.
Lower Permian[11]
United States[11]
Lewis
Vaughn
Valid.
Early Permian[16]
United States of America[16]
Fox
Valid.
Lower Permian[9]
United States of America[9]
Originally descript as a pelycosaur, but probably a parareptile[17]
Schroeder
Syn.
N/A
N/A
Synonym of Haptodus[8]
Olson
Beerbower
Valid?
Lower Permian[18]
United States[18]
Originally descript as an anomodont therapsid by Olson & Beerbower (1953) and Olson (1962), it lacks any diagnostic features of anomodonts and rather represent pelycosaur-grade synapsids[18]
Cope
Valid.
Early Permian[19] - Middle Permian
United States of America[19] and Germany [20]
Cope
Syn.
N/A
N/A
Synonym of Ophiacodon[8]
Reisz
Valid.
Upper Carboniferous[21]
Canada[21]
Cope
Valid.
Late Carboniferous[19] - Lower Permian[22]
Czech Republic [19] and United States of America[22]
Case
Syn.
N/A
N/A
Synonym of Sphenacodon[23]
Broom
Valid.
Middle-Upper Permian[24]
South Africa[24]
Cope
Syn.
N/A
N/A
Synonym of Dimetrodon[8]
Efremov
Valid.
Lower Permian[25]
Russia[25]
Romer
Valid.
Lower Permian[2]
United States of America[2]
Broom
Syn.
N/A
N/A
Synonym of Mycterosaurus[8]
Reisz
Maddin
Fröbisch
Falconnet
Valid.
Early-Late Permian[26]
France[26]
Williston
Valid.
Lower Permian[27]
United States of America[27]
Gaudry
Valid.
Late Carboniferous[1] - Lower Permian[28]
United States of America[1] and Europe[28]
Broom
Valid.
Upper Permian[29]
South Africa[29]
Reisz
Berman
Valid.
Late Carboniferous[22]
United States of America[22]
Kissel
Reisz
Valid.
Upper Carboniferous[30]
United States of America[30]
Reisz
Berman
Sic
N/A
N/A
Incorrect spelling of Ianthasaurus
Romer
Valid.
Lower Permian[2]
United States of America[2]
Fritsch
Valid.
Upper Carboniferous[31]
Germany[31]
Efremov
Valid.
Lower Permian[25]
Russia[25]
Ivakhnenko
Kurzanov
Sic
N/A
N/A
Incorrect spelling of Mesenosaurus
DeMar
Valid.
Upper Carboniferous[4]
United States of America[4]
Williston
Valid.
Lower Permian[1]
United States of America[1]
Cope
Syn.
N/A
N/A
Synonym of Edaphosaurus[22]
Nopsca
Valid.
Lower Permian[31]
France[31]
Romer
Valid.
Lower Permian[2]
United States of America[2]
Langston
Valid.
Lower Permian[9]
United States of America[9]
Marsh
Valid.
Late Carboniferous-Lower Permian[1]
United States of America[1] and England[31]
Reisz
Valid.
Lower Permian[32]
United States of America[32]
Oxyodon
Huene
Preocc.
N/A
N/A
Preoccupied by fish genus Oxyodon Brauer, 1906. Synonym of Sphenacodon[8]
Credner
Valid.
Early Permian[33]
Germany[33]
Palaeosphenodon
Baur
Syn.
N/A
N/A
Synonym of Palaeohatteria
von Huene
Valid.
Early Permian[34]
Germany[34]
Efremov
Valid.
Middle Permian[25]
Russia[25]
Case
Syn.
N/A
N/A
Synonym of Varanosaurus[35]
Case
Syn.
N/A
N/A
Synonym of Ophiacodon[8]
Carroll
Valid.
Upper Carboniferous[21]
Canada[21]
Anderson
Reisz
Valid.
Middle Permian[36]
Russia[36]
Reisz
Maddin
Fröbisch
Falconnet
Valid.
Early-Late Permian[26]
France[26]
Eberth
Brinkman
Valid.
Lower Permian[37]
United States of America[37]
Williston
Case
Syn.
Lower Permian[38]
United States of America[38]
Junior synonym of Sphenacodon[38]
Romer
Valid.
Lower Permian[4]
United States of America[4]
Marsh
Valid.
Late Carboniferous[1]-Early Permian
United States of America[1] and England[31]
Romer
Valid.
Late Carboniferous[9]-Early Permian[2]
United States of America[2]
Gaudry
Valid.
Late Carboniferous[1]
France[1]
Cope
Syn.
N/A
N/A
Synonym of Ophiacodon (in partium) and Dimetrodon (in partium)[8]
von Huene
Syn.
N/A
N/A
Synonym of Ophiacodon[8]
Fox
Valid.
Lower Permian[17]
United States of America[17]
The type species, T. serratidens, was declared to be a nomen dubium[17]
Williston
Valid.
Lower Permian[4]
United States of America[4]
Replacement name for Trispondylus Williston, 1910
Trispondylus
Williston
Preocc.
N/A
N/A
Preoccupied by phenacodontid Trispondylus Cope, 1884
Olson
Valid.
Lower Permian[11]
United States of America[11]
Williston
Valid.
Lower Permian[1]
United States of America[1]
Broili
Valid.
Lower Permian[1]
United States of America[1]
Reisz
Heaton
Pynn
Valid.
Upper Carboniferous[8]
United States of America[8]
Olson
Valid.
Middle Permian[39]
United States of America[39]
Romer
Syn.
N/A
N/A
Synonym of Ophiacodon[8]
Comments
Post a Comment