SUBCLASS: SYNAPSIDA OSBORN, 1903

Incertae sedis

Genus: Asaphestera STEEN, 1934
A. playtris STEEN, 1934 (Type)
= Asaphestera intermedia (DAWSON, 1894) STEEN, 1934
= Hylerpeton intermedium DAWSON, 1894

ORDER: PELYCOSAURIA COPE, 1878
= SUBORDER: PELYCOSAURIA WILLISTON, 1912
= ORDER: THEROMORA COPE, 1890 (
partim)
= ORDER: THEROMORPHA COPE, 1890 (
partim)
= PELYCOSAURIFORMES CHANG, 1957
= PLESION: CAPTORHINOMORPHA GARDNER, 1982 (
partim)

Incertae sedis
= Family: NITOSAURIDAE Romer & Price, 1940

Genus: Echinerpeton REISZ, 1972
E. intermedium REISZ, 1972 (Type)

Genus: Gorgodon OLSON, 1962
G. minutus OLSON, 1962 (Type)
Note: May be an Eosuchian.

Genus: Nitosaurus ROMER, 1937
N. jacksonorum ROMER, 1937 (Type)

Genus: Protoclepsydrops CARROLL, 1964
P. haplous CARROLL, 1964 (Type)

Genus: Xyrospondylus REISZ, HEATON & PYNN, 1982
X. ecordi (PEABODY, 1957) REISZ, HEATON & PYNN, 1982 (Type)
= Edaphosaurus ecordi PEABODY, 1957

Gen. sp indet.

SUBORDER: CASEASAURIA WILLISTON, 1912

Family: EOTHYRIDIDAE Romer & Price, 1940

Genus: Eothyris ROMER, 1937
E. parkeyi ROMER, 1937 (Type)

Genus: Oedaleops LANGSTON, 1965
O. campi LANGSTON, 1965 (Type)
O. sp

Genus: Vaughnictis BROCKLEHURST, REISZ, FERNANDEZ, & FRÖBISCH, 2016
V. smithate (LEWIS & VAUGHN, 1965) BROCKLEHURST, REISZ, FERNANDEZ, & FRÖBISCH, 2016 (Type)
= Mycterosaurus? smithae LEWIS & VAUGHN, 1965

Family: CASEIDAE Williston, 1912

Genus: Alierasaurus ROMANO & NICOSIA, 2014
A. ronchii ROMANO & NICOSIA, 2014 (Type)

Genus: Angelosaurus OLSON & BEERBOWER, 1953
A. dolani OLSON & BEERBOWER, 1953 (Type)
A. greeni OLSON, 1962
A. romeri OLSON & BARGHUSEN, 1962

Genus: Arisierpeton REISZ, 2019
A. simplex REISZ, 2019 (Type)

Genus: Callibrachion BOULE & GLANGEAU, 1893
C. gaudryi BOULE & GLANGEAU, 1893 (Type)
= Haptodus gaudryi (BOULE & GLANGEAU, 1893) ROMER & PRICE, 1940

Genus: Casea WILLISTON, 1910
C. broilii WILLISTON, 1910 (Type)
C. nicholsi OLSON, 1954
C. halselli OLSON, 1954

Genus: Caseopsis OLSON, 1962
C. agilis OLSON, 1962 (Type)

Genus: Cotylorhynchus STOVALL, 1937
C. romeri STOVALL, 1937 (Type)
C. hancocki OLSON & BEERBOWER, 1953
C. bransoni OLSON & BARGHUSEN, 1962
C. sp

Genus: Datheosaurus SCHROEDER, 1907
D. macrourus SCHROEDER, 1907 (Type)
= Haptodus macrourus (SCHROEDER, 1907) ROMER & PRICE, 1940

Genus: Ennatosaurus EFEMOV, 1956
E. tecton EFEMOV, 1956 (Type)

Genus: Eocasea REISZ & FRÖBISCH, 2014
E. martini REISZ & FRÖBISCH, 2014 (Type)
= Genus: Nova REISZ, FROBISCH, BERMAN & HENRICI, 2010

Genus: Euromycter REISZ, MADDIN, FRÖBISCH & FALCONNET, 2011
E. rutenus (SIGOGNEAU-RUSSELL & RUSSELL, 1974) REISZ, MADDIN, FRÖBISCH & FALCONNET, 2011 (Type)
= Casea rutena SIGOGNEAU-RUSSELL & RUSSELL, 1974

Genus: Knoxosaurus OLSON, 1962
K. niteckii OLSON, 1962 (Type)

Genus: Martensius BERMAN, MADDIN, HENRICI, SUMIDA, SCOTT & REISZ, 2020
M. bromackerensis BERMAN, MADDIN, HENRICI, SUMIDA, SCOTT & REISZ, 2020 (Type)
= Genus: Nova REISZ, FROBISCH, BERMAN & HENRICI, 2010

Genus: Oromycter REISZ, 2005 (published in 2006)
O. dolesorum REISZ, 2005 (published in 2006) (Type)

Genus: Ruthenosaurus REISZ, MADDIN, FRÖBISCH & FALCONNET, 2011
R. russellorum REISZ, MADDIN, FRÖBISCH & FALCONNET, 2011 (Type)

Genus: Trichasaurus WILLISTON, 1913
= Trispondylus WILLISTON, 1910 non
T. texenensis (WILLISTON, 1910) WILLISTON, 1913 (Type)
= Trispondylus texenensis WILLISTON, 1910
T. sp

Incertae sedis

Genus: Caseoides OLSON & BEERBOWER, 1953
C. sanangeloensis OLSON & BEERBOWER, 1953 (Type)

Genus: Phreatophasma EFREMOV, 1954
P. aenigmaticum EFREMOV, 1954 (Type)

Gen. sp indet.

SUBORDER: EUPELYCOSAURIA KEMP, 1982

Incertae sedis

Gen. sp indet

INFRAORDER: METOPOPHORA SPINDLER, WERNEBURG, SCHNEIDER, LUTHARDT, ANNACKER & RÖßLER, 2019

Superfamily: OPHIACHODONTODEA NOVA
= SUBORDER: POLIOSAURIA WILLISTON, 1925
= SUBORDER: OPHIACODONTIA NOPCSA, 1925

Family: OPHIACODONTIDAE Nopsca, 1923
= Family: POLIOSAURIDAE Boule, 1893
= Family: CLEPSYDROPIDAE Case, 1907
= Subfamily: CLEPSYDROPINAE Case, 1907
= Superfamily: POLIOSAURIDAE Watson, 1917
= Superfamily: OPHIACODONTIDAE Watson, 1917
= Subfamily: THEROPLEURINAE Nopcsa, 1928

Genus: Archaeothyris REISZ, 1972
A. florensis REISZ, 1972 (Type)
A. sp

Genus: Baldwinonus ROMER & PRICE, 1940
B. trux ROMER & PRICE, 1940 (Type)
B? dunkardensis ROMER, 1952

Genus: Clepsydrops COPE, 1875
= Archaeobelus COPE, 1877
C. collettii COPE, 1875 (Type)
= Clepsydrops pedunculatus COPE, 1877
= Archaeobelus vellicatus COPE, 1877
= Clepsydrops vinslovii COPE, 1877
= ?Captorhinus illinoisensis WILLISTON, 1911
C? magnus ROMER, 1961
C. sp

Genus: Limnostygis CARROLL, 1967
L. relictus CARROLL, 1967 (Type)

Genus: Ophiacodon MARSH, 1878
= Arribasaurus WILLISTON, 1914
= Diopaeus COPE, 1892
= Poliosaurus CASE, 1907
= Theropleura COPE, 1878
= Therosaurus HUENE, 1925
= Winfeldia ROMER, 1925
O. mirus MARSH, 1878 (Type)
O. uniformis (COPE, 1878) ROMER & PRICE, 1940
= Theropleura uniformis COPE, 1878
= Poliosaurus uniformis (COPE, 1878) CASE, 1907
O. retroversus (COPE, 1878) ROMER & PRICE, 1940
= Theropleura retroversus COPE, 1878
= Theropleura trianagulata COPE, 1878
= Clepsydrops leptocephalus COPE, 1884
= Diopeus leptocephalus (COPE, 1884) COPE, 1884
= Therosaurus watsoni HUENE, 1925
O. navajovicus (CASE, 1907) ROMER & PRICE, 1940
= Dimetrodon navajovicus CASE, 1907
= Arribasaurus navajovicus (CASE, 1907) WILLISTON, 1914
O. hilli(ROMER, 1925) ROMER & PRICE, 1940
= Winfeldia hilliROMER, 1925
O. majorROMER & PRICE, 1940
O. beckiae WILSON, 1989 (nomen vanum)
O. sp

Genus: Stereophallodon ROMER, 1937
S. ciscoensis ROMER, 1937 (Type)

Genus: Sterorhachis GAUDRY, 1880
S. dominans GAUDRY, 1880 (Type)

Genus: Varanosaurus BROILI, 1904
= Poecilospondylus CASE, 1910
V. acutirostris BROILI, 1904 (Type)
= Poecilospondylus francisiCASE, 1910
V. wichitaensis ROMER, 1937

Genus: Nova HAWTHORN & REISZ, 2011

Gen. sp indet.

Superfamily: HAPTODONTIFORMES EMEND SPINDLER, WERNEBURG, SCHNEIDER, LUTHARDT, ANNACKER & RÖßLER, 2019

Incertae sedis

Genus: Ianthodon KISSEL, & REISZ, 2004
I. schultzei KISSEL, & REISZ, 2004

Genus: Kenomagnathus SPINDLER, 2020
K. scottae SPINDLER, 2020 (Type)

Genus: Milosaurus DEMAR, 1970
M. mccordi DEMAR, 1970 (Type)

INFRAORDER: SPHENACOMORPHA IVAKHENENKO 2003
= SUBORDER: EDAPHOSAURIA COPE, 1882

Family: EDAPHOSAURIDAE Cope, 1882
= Subfamily: NAOSAURINAE Case, 1907
= Subfamily: GLAUCOSAURINAE Nopcsa, 1928

Genus: Edaphosaurus COPE, 1882
= Brachycnemius WILLISTON, 1911
= Naosaurus COPE, 1886
E. cruciger (COPE, 1878) ROMER & PRICE, 1940
= Dimetrodon cruciger COPE, 1878
= Naosaurus cruciger (COPE, 1878) COPE, 1880
= Naosaurus microdus COPE, 1881
= Edaphosaurus microdus (COPE, 1881) COPE, 1884
E. pogonias COPE, 1882 (Type)
= Naosaurus pogonias COPE, 1882
= Naosaurus claviger COPE, 1886
= Brachycnemius dolischomerus WILLISTON, 1911
E. novomexicanus WILLISTON & CASE, 1913
E. boanerges ROMER & PRICE, 1940
E. colohistion BERMAN, 1979
E. sp

Genus: Glaucosaurus WILLISTON, 1915
G. megalops WILLISTON, 1915 (Type)

Genus: Gordodon LUCAS, RINEHART & CELESKEY, 2018
G. kraineri LUCAS, RINEHART & CELESKEY, 2018 (Type)

Genus: Nova SUMIDA & BERMAN, 1993

Gen. sp indet.

Incertae sedis

Genus: Edaphosaurus non COPE, 1882
E. raymondi (CASE, 1908) ROMER & PRICE, 1940
= Naosaurus raymondi CASE, 1908
= Ianthasaurus raymondi (CASE, 1908)

 

Family: LUPEOSAURIDAE Romer & Price, 1940

Genus: Lupeosaurus ROMER, 1937
= Luperosaurus ROMER, 1936
L. kayi ROMER, 1937 ((Type)
= Luperosaurus gigas (COPE, 1878) ROMER, 1936
= Dimetrodon gigas COPE, 1878
(see ROMER & PRICE, 1940, p. 401 for explanation)

INFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925
= SUBORDER: DIMETRODONTOIDEA NOPCSA, 1925
= SUBORDER: SPHENACODONTIA

Family: HAPTODONTIDAE Romer & Price 1940
= Subfamily: HAPTODONTINAE Romer & Price 1940

Genus: Haptodus GAUDRY, 1886
H. baylei GAUDRY, 1886 (Type)
H. garnettensis CURRIE, 1977

CLADE NAME: PANTHERAPSIDA SPINDLER, 2016

Incertae sedis

Genus: Tetraceratops MATTHEW, 1908
T. insignis MATTHEW, 1908 (Type)

Family: PALAEOHATTERIDAE Credner, 1888
= Family: PANTELOSAURIDAE Huene, 1925

Genus: Cutleria LEWIS & VAUGHN, 1965
C. wilmarthi LEWIS & VAUGHN, 1965 (Type)

Genus: Ianthasaurus REISZ & BERMAN, 1986
I. mirabilis (FRITSCH, 1895) ROMER & PRICE, 1940
= Naosaurus mirabilis FRITISCH, 1895
= Edaphosaurus mirabilis (FRITSCH, 1895) ROMER & PRICE, 1940
I. credneri (JAEKEL, 1910)
= Naosaurus credneri JAEKEL, 1910
= Edaphosaurus credneri (JAEKEL, 1910) ROMER & PRICE, 1940
I. hardestii REISZ & BERMAN, 1986 (Type)
I. sp

Genus: Palaeohatteria CREDNER, 1888
P. longicaudata CREDNER, 1888 (Type)
= Palaeosphenodon longicaudata(CREDNER, 1888) BAUR, 1889
= Haptodus loingicaudata (CREDNER, 1888) ROMER & PRICE, 1940

Genus: Pantelosaurus HUENE, 1925
P. saxonicus HUENE, 1925 (Type)
= Datheosaurus saxonicus (HUENE, 1925)
= Haptodus saxonicus (HUENE, 1925) ROMER & PRICE, 1940

Genus: Nova LAURIN, 1994

Gen. sp indet.

Superfamily: SPHENACODONTOIDEA Marsh, 1878

Family: SPHENACODONTIDAE Marsh, 1878

Genus: Cryptovenator FRÖBISH, SCHOCH, MÜLLER, SCHINDLER & SCHWEISS, 2011
C. hirschbergeri FRÖBISH, SCHOCH, MÜLLER, SCHINDLER & SCHWEISS, 2011 (Type)

Incertae sedis

Genus: Dimetrodon non COPE, 1878
D. kempae ROMER, 1937

Genus: ?Embolophorus COPE, 1878
E. fritillus COPE, 1878 (Type)
E. sp

Genus: Neosaurus NOPSCA, 1923
N. cynodus (GERVAIS, 1869) NOPCSA, 1923 (Type)
= Geosaurus (?) cynodus GERVAIS, 1869
= ?Stereorachis cynodus (GERVAIS, 1869) THEVENIN, 1910

Gen. sp indet.

Subfamily: SECODONTOSAURINAE Romer & Price, 1940

Genus: Secodontosaurus ROMER, 1936
S. obtusidens (COPE, 1880) ROMER, 1936 (Type)
= Theropleura obtusidens COPE, 1880
= Dimetrodon obtusidens (COPE, 1880) CASE, 1907
= Dimetrodon longiramus CASE, 1907
S. willistoni ROMER, 1936

Subfamily: SPHENACODONTINAE Marsh, 1878 (sensu Nopcsa, 1925)

Genus: Hypselohaptodus SPINDLER, 2019
H. grandis (PATON, 1974) SPINDLER, 2019 (Type)
= Haptodus grandis PATON, 1974

Gen. sp indet.

Tribe: SPHENACODONTINI Marsh, 1878

Genus: Ctenorhachis HOOK & HOTTON, 1991
C. jacksoni HOOK & HOTTON, 1991 (Type)

Genus: Sphenacodon MARSH, 1878
= Elcabrosaurus CASE, 1907
= Oxyodon HUENE, 1908
S. ferox MARSH, 1878
= Elcabrosaurus baldwini CASE, 1907
= Scoliomus puercensis WILLISTON & CASE, 1913
S. ferocior ROMER, 1937
S. britannicus (HUENE, 1908) PATON, 1974
= Oxyodon britannicus HUENE, 1908
S. sp

Genus: Steppesaurus OLSON & BEERBOWER, 1953
S. gurleyi OLSON & BEERBOWER, 1953 (Type)

Tribe: DIMETERODONTINI Nopcsa, 1925
= Subfamily: DIMETRODONTINAE Nopcsa, 1925

Genus: Bathygnathus LEIDY, 1854
B. borealis LEIDY, 1854 (Type)
= Dimetrodon borealis (LEIDY, 1853) BRINK, MADDIN, EVANS, & REISZ, 2015
Note: This combination is not valid, Bathygnathus has priority over Dimetrodon and you can not state that due to taxonomic stability, Dimetrodon has priority. This has to be petitioned to the ICZN, and have an ICZN ruling on the name priority. 

Genus: Ctenospondylus ROMER, 1936
C. casei ROMER, 1936 (Type)
C. ninevehensis BERMAN, 1978

Genus: Dimetrodon COPE, 1878
= Bathyglyptus CASE, 1911
= Eosyodon OLSON, 1962
D. incisivus COPE, 1878
D. limbatus (COPE, 1877) ROMER & PRICE, 1940
= Clepsydrops limbatus COPE, 1877
= Dimetrodon incisivus COPE, 1878
= Dimetrodon rectiformis COPE, 1878
= Dimetrodon semiradicatus COPE, 1881
D. macrospondylus (COPE, 1884) ROMER & PRICE, 1940
= Clepsydrops macrospondylus COPE, 1884
= Dimetrodon platycentrus CASE, 1907
D. natalis (COPE, 1878) ROMER, 1936
= Clepsydrops natalis COPE, 1878
D. dollovianus (COPE, 1888) CASE, 1907
= Embolophorus dollovianus COPE, 1888
D. gigashomogenes CASE, 1907
D. grandis (CASE, 1907) ROMER & PRICE, 1940
= Theropleura grandis CASE, 1907
= Bathyglyptus theodori CASE, 1911
= Dimetrodon maximus ROMER, 1936
= Dimetrodon cf. gigas grandis STERNBERG, 1942?
D. loomisi ROMER, 1937
D. milleri ROMER, 1937
D. booneorum ROMER, 1937
D. angelensis OLSON, 1962
= Eosyodon hudsoni OLSON, 1962
D. occidentalis BERMAN, 1977
D. teutonis BERMAN, REISZ, MARTENS, & HENRICI, 2001
D. sp

Bibliography

Bibliography for taxa list

_____________________________________________________________________________________

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

Anderson, J. S., and Reisz, R. R., 2004, Pyozia mesenensis, a new, small varanopid (Synapsida, Eupleycosauria) from Russia: “Pelycosaur” diversity in the Middle Permian: Journal of Vertebrate Paleontology, v. 24, n. 1, p. 173-179.

B


Baur, R. G., 1889, Palaeohatteria Credner and the Progosauria: American Journal of Science, 3rd seris, v. 37, p. 310-313.

Benson, R. B. J., 2012, Interrelationships of basal synapsids: cranial and postcranial morphological partitions suggest differnt topologies: Journal of Systematic Palaeontology, v. 10, issue 4, p. 601-624.

Berman, D. S., 1977, A new species of Dimetrodon (Reptilia, Pelycosauria) from a non deltaic facies in the Early Permian of North-Central New Mexico: Journal of Paleontology, v. 51, n. 1, p.108-115.

Berman, D. S., 1978, Ctenospondylus ninevehensis, a new species (Reptilia, Pelycosauria) from the Early Permian Dunkard Group of Ohio: Annals of Carnegie Museum, v. 47, article 21, p. 493-514.

Berman, D. S., 1979, Edaphosaurus (Reptilia, Pelycosauria) from the Early Permian of Northeastern United States, with description of a new species: Annals of Carnegie Museum, v. 48, article 11, p. 185-202.

Berman, D. S., Henrici, A. C., Sumida, S. S., Martens, T., and Pelletier, V., 2014, First European record of a varanodotine (Synapsida:Varanopidae): member of a unique Early Permian Upland Paleoecosystem, Tambach Basin, Central Germany: In: Early Evolutionary history of the Synapsida, Part I, "Pelycosaur"-Grade Synapsids, Chapter 5, Kammerer, C. F., Angielczyk, K. D., and Fröbisch, editors, Springer, p. 69-86.

Berman, D. S., Maddin, H. C., Henrici, A. C., Sumida, S. S., Scott, D., and Reisz, R. R., 2020, New primitive caseid (Synapsida, Caseasauria) from the Early Permian of Germany: Annals of Carnegie Museum, v. 86, n. 1, p. 43-75.

Berman, D. S., Reisz, R. R., Martens, T., and Henrici, A. C., 2001, A new species of Dimetrodon (Synapsida : Sphenacodontidae) from the Lower Permian of Germany records first occurrence of genus outside of North America: Canadian Journal of Earth Science, v. 38, p. 803-812.

Boule, M., and Glangeau, P., 1893, Le Callibrachion, nouveau reptile du Permian d'Autun: Compte rendu hebdomadaire des seances de l’Academie des Sciences Paris, v. 117, p. 646-648.

Botha-Brink, J., and Modesto, S., P., 2009, Anatomy and relationships of the Middle Permian varanopid Heleosaurus scholtzi based on a social aggregation from the Karoo basin of South Africa: Journal of Vertebrate Paleontology, v. 29, n. 2, p. 389-400.

Brink, K. S., Maddin, H. C., Evans, D. C., and Reisz, R. R., 2015, Re-evaluation of the historic Canadian fossil Bathygnathus borealis from the Early Permian of Prince Edward Island: Canadian Journal of Earth Sciences, published online, 12pp.

Brinkman, D., and Eberth, D. A., 1986, The anatomy of Relationships of Stereophallodon and Baldwinonus (Reptilia, Pelycosauria): Breviora, n. 485, p. 1-34.

Brocklehurst, N., Reisz, R. R., Fernandez, V., and Fröbisch, J., 2016, A re-description of 'Mycterosaurus' smithae, an Early Permian eothyridid, and its impact on the phylogeny of pelycosaurian-grade synapsids:  Public Library of Science (PLOS), One, v. 11, n. 6, 27 pp.

Broili, F., 1904, Permische Stegocephalen und Reptilien: Palaeontograpihca, Abt A., p. 1-120.

Broom, R., 1930, On a new primitive theromorph (Eumatthevia bolli): American Museum Novitiates, v. 446, p. 1-4.

Broom, R., 1937, A further contribution to our knowledge of the fossil reptiles of Karroo: Proceedings of the Zoological Society of London, Series B, v. 107, part 1, p. 299-318.

Broom, R., 1949, New fossil reptile genera from the Bernard Price collection Annals of the Transvaal Museum, v. 21, p. 187-196.

C

Carroll, R. L., 1964, The earliest reptiles: Zoological Journal of the Linnean Society, v. 45, p. 61-83.

Case, E. C., 1907, Revision of the Pelycosauria of North America: Publications, Carnegie Institution of Washington, n. 55, 175pp.

Case, E. C., 1908, Description of Vertebrate Fossils from the vicinity of Pittsburgh, Pennsylvania: Annals of the Carnegie Museum, v 4, n. 3-4, p. 234-241.

Case, E. C., 1910, The skeleton of Poecilospondylus francisi, a new genus and species of Pelycosauria: Bulletin of the American Museum of Natural History, v. 28, p. 103-108.

Case, E. C., 1911, A revision of the Cotylosauria of North America: Publications, Carnegie Institution of Washington, n. 145, 122pp.

Conrad, J., and Sidor, C., 2001, Re-evaluation of Tetraceratops insignis (Synapsida: Sphenacodontia): Journal of Vertebrate Paleontology, v. 21, supplement to n. 3, abstracts of papers, sixty-first annual meeting, Society of Vertebrate Paleontology, Museum of the Rockies, Montana State University, Bozeman, Montana, October 306, p. 42a.

Cope, E. D., 1875. On the fossil remains of Reptilia and fishes from Illinois: Proceedings of the Academy of Natural Sciences, Philadelphia, 1875, p. 404-411.

Cope, E. D., 1875, Check-list of North American Batrachia and Reptilia: with a systematic list of the higher groups, and an essay on geographical distribution. Based on the specimens contained in the U. S. National Museum: Bulletin of the United States National Museum, v. 1, p. 1-95.

Cope, E. D., 1877, On Reptilian remains from the Dakota Beds of Colorado: Paleontological bulletin, n. 26, p. 193-197.

Cope, E. D., 1878, The Theromorphous Reptilia: American Naturalist, v. 12, p. 829-830.

Cope, E. D., 1878, A new fauna: American Naturalist, v. 12, p. 327-328.

Cope, E. D., 1878, Descriptions of extinct Batrachia and Reptilia from the Permian formation of Texas: Proceedings of the American Philosophical Society, v. 17, p. 505-530.

Cope, E. D., 1880, Second Contribution to the History of the Vertebrates of the Permian Formation of Texas: Proceedings of the American Philosphical Society held at Philadelphia for Promoting Useful Knowledge, v. 19, p. 38-58.

Cope, E. D., 1881, On some new Batrachia nd Reptilia form the Permian beds of Texas: Bulletin of the United States Geological, Geographical Survey of the Territorites, v. 6, article 20, p. 447-461.

Cope, E. D., 1882, Third contribution to the history of the Vertebrata of the Permian Formation of Texas: Proceedings of the American Pholisophical Society, v. 20, p. 447-461.

Cope, E. D., 1884, The structure of the Columella auris in Clepsydrops leptocephalus: American Naturalist, v. 18, p. 1253-1255.

Cope, E. D., 1886, Systematic catalogue of the species of vertebrata found in the beds of the Permian Epoch in North America with notes and descriptions.

Cope, E. D, 1888, Systematic catalogue of the species of vertebrata found in the beds of the Permian epoch in North America, with notes and descritptions: Transactions of the American Philosophical Society, v. 17, p. 285-297.

Cope, E. D., 1892, On the homologies of the posterior cranial arches in Reptiliia: Transactions of the American Philosophical Society, v. 17, p. 11-26.

Credner, H., 1888, Die Stegocephalen un d'Saurier aus dem Rothliegnden des Plauen'schen Grudes bei Dresden: Zeitschrift der Deutschen Geologischen Gesellschaft, v. 40, p. 490-558.

Currie, P. J., 1977, A new Haptodontine Sphenacodont (Reptilia: Pelycosauria) from the Late Pennsylvanian of North America: Journal of Paleontology, v. 51, n. 5, p. 927-942.

D

DeMar, R., 1970, A primitive Pelycosaur from the Pennsylvanian of Illinois: Journal of Paleontology, v. 44, n. 1, p. 154-163.

E

Eberth, D. A., and Brinkman, D., 1983, Ruthiromia elcobriensis, a new Pelycosaur from El Cobre Canyon, New Mexico: Breviora, n. 474, p. 1-26.

Efrimov, I. A., 1954, The fauna of terrestrial vertebrates in the Permian copper sandstones of wester Cis-Urals: Transactions de Paleontologisches Institue l’Academie de l’Union des Republiques Sovietiques Socialistes, v. 54, 4160pp.

Efrimov, I. A., 1956, The fauna of terrestrial vertebrates in the Permian copper sandstones of the western Cis-Urals: Transactions de Paleontologisches Institue l’Academie de l’Union des Republiques Sovietiques Socialistes, v. 56, n. 5, p. 1091-1094.

F


Ford, D. P., and Benson, R. B. J., 2019, The phylogeny of early amniotes and the affinities of Parareptilia and Varanopidae: Nature Ecology & Evolution, v. 4, p. 57-65.

Fröbish, J., Schoch, R. R,. Müller, J., Schindle,r T.. and Schweiss, D., 2011, A new basal sphenacodontid synapsid from the Late Carboniferous of the Saar-Nahe basin, Germany: Acta Palaeontologica Polonica, v. 56, n. 1, p. 113-120.

Fox, R. C., 1962, Two New Pelycosaurs from the Early Permian of Oklahoma: University of Kansas Publications, Museum of Natural History, v. 12, n. 6, p. 297-307.

Fritisch, A., 1895, Ueber neue Wirbelthiere aus der Permformation Bohmens, nebst einer Uebersicht der aus derselben bekannt gewordenen Arten: Sitzunbsberg. K. bohm. Gesellsch, Wissensch, 1895, band 53, p. 1-17.

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