TEXAS
KNOX COUNTY
LITTLE CROTON CREEK
FLOWERPOT MEMBER
UPPER SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LABYRINTHODONTIA OWEN, 1860
SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887
MICROORDER: LIMNARCHIA YATES & WARREN, 2000
ORDER: DVINOSAURIA YATES & WARREN, 2000
INFRAORDER: TRIMERORHACHOIDA ROMER, 1947
Superfamily: DVINOSAUROIDEA Watson, 1919
Family: TUPILAKOSAURIDAE Kuhn, 1960
Slaugenhopia texensis
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: PARAREPTILIA OLSON 1947
INFRACLASS: SAUROPSIDA HUXLEY, 1864
SUPERORDER: EUREPTILIA OLSON, 1947
ORDER: CAPTORHINOMORPHA WATSON, 1917
SUBORDER: CAPTORHINOMORPHA WATSON, 1917
Family: CAPTORHINIDAE Case, 1911
Subfamily: MORADISAURINAE De Ricquiles et al. 1982
Rothia multidontia
= Rothianiscus mulidontia
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TEXAS
KNOX COUNTY
KAHN QUARRY
KAC
FLOWERPOT MEMBER
UPPER SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LABYRINTHODONTIA OWEN, 1860
SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887
MICROORDER: LIMNARCHIA YATES & WARREN, 2000
ORDER: DVINOSAURIA YATES & WARREN, 2000
INFRAORDER: TRIMERORHACHOIDA ROMER, 1947
Superfamily: DVINOSAUROIDEA Watson, 1919
Family: TUPILAKOSAURIDAE Kuhn, 1960
*Slaugenhopia texensis
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: PARAREPTILIA OLSON 1947
INFRACLASS: SAUROPSIDA HUXLEY, 1864
SUPERORDER: EUREPTILIA OLSON, 1947
ORDER: CAPTORHINOMORPHA WATSON, 1917
SUBORDER: CAPTORHINOMORPHA WATSON, 1917
Family: CAPTORHINIDAE Case, 1911
Subfamily: MORADISAURINAE De Ricquiles et al. 1982
*Kahneria seltina
Rothia multidontia
= Rothianiscus mulidontiaSUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
Incertae sedis
*Gorgodon minutus
Gen. sp indet.
SUBORDER: CASEASAURIA WILLISTON, 1912
Family: CASEIDAE Williston, 1912
Cotylorhynchus hancocki
*Knoxosaurus niteckii
SUBORDER: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925
Family: SPHENACODONTIDAE Marsh, 1878
Subfamily: SPHENACODONTINAE Marsh, 1878 (sensu Nopcsa, 1925)
Tribe: DIMETERODONTINI Nopcsa, 1925
Dimetrodon angelensis
= * Eosyodon hudsoniSUPERORDER: THERASPID BROOM, 1905
GRANDORDER: EUTHERAPSIDA
SUBORDER: DEINOCEPHALIA OLSEN, 1962
Incertae sedis
Family: TAPPENOSAURIDAE Olson & Beerbower, 1953
Tappenosaurus magnus
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
DRIVER RANCH
LOCALITY KAD
SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: CASEASAURIA WILLISTON, 1912
Family: CASEIDAE Williston, 1912
Cotylorhynchus hancocki
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
LITTLE CROTON CREEK
SUBLOCALITY KN
MIDDLE SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: CASEASAURIA WILLISTON, 1912
Family: CASEIDAE Williston, 1912
*Angelosaurus dolani
Cotylorhynchus hancocki
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
LITTLE CROTON CREEK
SUBLOCALITY KN
SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
SUPERORDER: THERASPID BROOM, 1905
GRANDORDER: EUTHERAPSIDA
SUBORDER: DEINOCEPHALIA OLSEN, 1962
Incertae sedis
Family: TAPPENOSAURIDAE Olson & Beerbower, 1953
*Tappenosaurus magnus
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
SUBLOCAILTY KP
SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: CASEASAURIA WILLISTON, 1912
Family: CASEIDAE Williston, 1912
Incertae sedis
*Caseoides sanangeloensis
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
ALEXANDER RANCH
LOCLAITY KR
SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: CASEASAURIA WILLISTON, 1912
Family: CASEIDAE Williston, 1912
Cotylorhynchus hancocki
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
MACFAYDEN RANCH (NORTH)
LOCALITY KV
SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: CASEASAURIA WILLISTON, 1912
Family: CASEIDAE Williston, 1912
*Caseopsis agilis
Cotylorhynchus hancocki
SUBORDER: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925
Family: SPHENACODONTIDAE Marsh, 1878
Subfamily: SPHENACODONTINAE Marsh, 1878 (sensu Nopcsa, 1925)
Tribe: DIMETERODONTINI Nopcsa, 1925
*Dimetrodon angelensis
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
MACFAYDEN RANCH
LOC. KV
FLOWERPOT MEMBER
UPPER SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
SUPERORDER: THERASPID BROOM, 1905
GRANDORDER: EUTHERAPSIDA
SUBORDER: DEINOCEPHALIA OLSEN, 1962
Incertae sedis
Family: DRIVERIIDAE Olson, 1962
*Driveria ponderosa
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
DRIVER RANCH
LOCALITY KX
SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: CASEASAURIA WILLISTON, 1912
Family: CASEIDAE Williston, 1912
Cotylorhynchus hancocki
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
LOCALITY KY
SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: CASEASAURIA WILLISTON, 1912
Family: CASEIDAE Williston, 1912
Cotylorhynchus hancocki
SUBORDER: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925
Family: SPHENACODONTIDAE Marsh, 1878
Subfamily: SPHENACODONTINAE Marsh, 1878 (sensu Nopcsa, 1925)
Tribe: DIMETERODONTINI Nopcsa, 1925
Dimetrodon angelensis
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
DRIVER RANCH
LOC. KY
MIDDLE SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
SUPERORDER: THERASPID BROOM, 1905
GRANDORDER: EUTHERAPSIDA
SUBORDER: DEINOCEPHALIA OLSEN, 1962
Incertae sedis
Family: MASTERSONIIDE Olson, 1962
*Mastersonia driverensis
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
MIDDLE MacFAYDEN RANCH
SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: PARAREPTILIA OLSON 1947
INFRACLASS: SAUROPSIDA HUXLEY, 1864
SUPERORDER: EUREPTILIA OLSON, 1947
ORDER: CAPTORHINOMORPHA WATSON, 1917
SUBORDER: CAPTORHINOMORPHA WATSON, 1917
Family: CAPTORHINIDAE Case, 1911
Subfamily: MORADISAURINAE De Ricquiles et al. 1982
Rothia multidontia
= Rothianiscus mulidontia
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
SWANSON QUARRY
SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: PARAREPTILIA OLSON 1947
INFRACLASS: SAUROPSIDA HUXLEY, 1864
SUPERORDER: EUREPTILIA OLSON, 1947
ORDER: CAPTORHINOMORPHA WATSON, 1917
SUBORDER: CAPTORHINOMORPHA WATSON, 1917
Family: CAPTORHINIDAE Case, 1911
Subfamily: MORADISAURINAE De Ricquiles et al. 1982
Rothia multidontia
= Rothianiscus mulidontia
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
DRIVER RANCH
LOCALITY KAB
SAN ANGELO FORMATION
LOWER PEASE RIVER GROUP
LAND-VERTEBRATE FAUNACHRON LOWER E
LOWER GUADALUPIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: CASEASAURIA WILLISTON, 1912
Family: CASEIDAE Williston, 1912
Cotylorhynchus hancocki
SUPERORDER: THERASPID BROOM, 1905
GRANDORDER: EUTHERAPSIDA
SUBORDER: DEINOCEPHALIA OLSEN, 1962
Incertae sedis
Family: TAPPENOSAURIDAE Olson & Beerbower, 1953
Tappenosaurus magnus
MICRORDER: NEOTHERAPSIDA
ORDER: ANOMODONTIA WATSON & ROMER, 1956
Superfamily: VENYUKOVIOIDEA Efremov, 1940 (sensu Efremov, 1956)
Family: DIMACRODONTIDAE Olson & Beerbower, 1953
Dimacrodon sp
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