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
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
ALEXANDER RANCH
FLOWER POT FORMATION
EARLY LATE 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 mulidontiaSUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: CASEASAURIA WILLISTON, 1912
Family: CASEIDAE Williston, 1912
*Angelosaurus greeni
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
BX
UPPER VALE FORMATION
MIDDLE CLEAR FORK GROUP
LAND-VERTEBRATE FAUNACHRON LOWER TO MIDDLE D
UPPER LEONARDIAN 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: CAPTORHININAE Case, 1911 (sensu De Ricqles, et AL 1982)
Captorhinus aguti
_____________________________________________________________________________________
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
KA
UPPER VALE FORMATION
MIDDLE CLEAR FORK GROUP
LAND-VERTEBRATE FAUNACHRON LOWER TO MIDDLE D
UPPER LEONARDIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LEPOSPONDYLI ZITTEL, 1888
ORDER: NECTRIDEA MIALL, 1875
Family: DIPLOCAULIDAE Cope, 1881
Diplocaulus recurvatus
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
*Captorhinikos valensis
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
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 gigashomogenes
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
KB
UPPER VALE FORMATION
MIDDLE CLEAR FORK GROUP
LAND-VERTEBRATE FAUNACHRON LOWER TO MIDDLE D
UPPER LEONARDIAN 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: TRIMERORHACHOIDEA Cope, 1882 (sensu Romer, 1947)
Family: TRIMERORHACHIDAE Cope, 1882
Trimerorhachis sp
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
Captorhinikos valensis
Gen. sp indet.
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: EDAPHOSAURA NOVA
Family: EDAPHOSAURIDAE Cope, 1882
Gen. sp indet.
INFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925
Family: SPHENACODONTIDAE Marsh, 1878
Subfamily: SPHENACODONTINAE Marsh, 1878 (sensu Nopcsa, 1925)
Tribe: DIMETERODONTINI Nopcsa, 1925
Dimetrodon gigashomogenes
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
LOCALITY KC
UPPER VALE FORMATION
MIDDLE CLEAR FORK GROUP
LAND-VERTEBRATE FAUNACHRON LOWER TO MIDDLE D
UPPER LEONARDIAN 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
*Casea nicholsi
SUBORDER: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: EDAPHOSAURA NOVA
Family: EDAPHOSAURIDAE Cope, 1882
Edaphosaurus sp
INFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925
Family: SPHENACODONTIDAE Marsh, 1878
Subfamily: SPHENACODONTINAE Marsh, 1878 (sensu Nopcsa, 1925)
Tribe: DIMETERODONTINI Nopcsa, 1925
Dimetrodon gigashomogenes
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
KD
UPPER VALE FORMATION
MIDDLE CLEAR FORK GROUP
LAND-VERTEBRATE FAUNACHRON LOWER TO MIDDLE D
UPPER LEONARDIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LEPOSPONDYLI ZITTEL, 1888
ORDER: NECTRIDEA MIALL, 1875
Family: DIPLOCAULIDAE Cope, 1881
*Diplocaulus recurvatus
CLASS: REPTILIA LAURENTI, 1768
Incertae sedis
Gen. sp indet.
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
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 gigashomogenes
Dimetrodon sp
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
KE
UPPER VALE FORMATION
MIDDLE CLEAR FORK GROUP
LAND-VERTEBRATE FAUNACHRON LOWER TO MIDDLE D
UPPER LEONARDIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LEPOSPONDYLI ZITTEL, 1888
ORDER: NECTRIDEA MIALL, 1875
Family: DIPLOCAULIDAE Cope, 1881
Diplocaulus recurvatus
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
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 gigashomogenes
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
KF
UPPER PART OF VALE FORMATION
MIDDLE CLEAR FORK GROUP
LAND-VERTEBRATE FAUNACHRON LOWER TO MIDDLE D
UPPER LEONARDIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
NEOTETRAPODA
SUBCLASS: REPTILIOMORPHA SAVE-SODERBERGH, 1934
ORDER: SEYMOURIAMORPHA WATSON, 1917
SUBORDER: WAGGONERIIDA TATARINOV, 1971
Family: WAGGONERIIDAE Olson, 1951
*Waggoneria knoxensis
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: CAPTORHININAE Case, 1911 (sensu De Ricqles, et AL 1982)
Labidosaurus hamatus
= Pariotichus hamatusParacaptorhinus neglectes
= *Captorhinoides valensisSubfamily: MORADISAURINAE De Ricquiles et al. 1982
Captorhinikos valensis
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
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 gigashomogenes
Dimetrodon sp
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
KH
MIDDLE VALE FORMATION
MIDDLE CLEAR FORK GROUP
LAND-VERTEBRATE FAUNACHRON LOWER TO MIDDLE D
UPPER LEONARDIAN 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
Labidosaurikos barkeri
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
LOCALITY KG
UPPER VALE FORMATION
MIDDLE CLEAR FORK GROUP
LAND-VERTEBRATE FAUNACHRON LOWER TO MIDDLE D
UPPER LEONARDIAN 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: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925
Family: SPHENACODONTIDAE Marsh, 1878
Subfamily: SPHENACODONTINAE Marsh, 1878 (sensu Nopcsa, 1925)
Tribe: DIMETERODONTINI Nopcsa, 1925
Dimetrodon gigashomogenes
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
KH
UPPER VALE FORMATION
MIDDLE CLEAR FORK GROUP
LAND-VERTEBRATE FAUNACHRON LOWER TO MIDDLE D
UPPER LEONARDIAN STAGE
UPPER ROTLIEGENDES EPOCH
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LEPOSPONDYLI ZITTEL, 1888
ORDER: NECTRIDEA MIALL, 1875
Family: DIPLOCAULIDAE Cope, 1881
Diplocaulus recurvatus
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
Captorhinikos valensis
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
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 gigashomogenes
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
KI
MIDDLE VALE FORMATION
MIDDLE CLEAR FORK GROUP
LAND-VERTEBRATE FAUNACHRON LOWER TO MIDDLE D
UPPER LEONARDIAN 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
Labidosaurikos barkeri
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
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 gigashomogenes
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
KI
LOWER UPPER VALE FORMATION
MIDDLE CLEAR FORK GROUP
LAND-VERTEBRATE FAUNACHRON LOWER TO MIDDLE D
UPPER LEONARDIAN 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: CAPTORHININAE Case, 1911 (sensu De Ricqles, et AL 1982)
Captorhinus aguti
Subfamily: MORADISAURINAE De Ricquiles et al. 1982
Captorhinikos valensis
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
LOCALITY KJ
UPPER VALE FORMATION
MIDDLE CLEAR FORK GROUP
LAND-VERTEBRATE FAUNACHRON LOWER TO MIDDLE D
UPPER LEONARDIAN 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: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925
Family: SPHENACODONTIDAE Marsh, 1878
Subfamily: SPHENACODONTINAE Marsh, 1878 (sensu Nopcsa, 1925)
Tribe: DIMETERODONTINI Nopcsa, 1925
Dimetrodon gigashomogenes
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
LOCALITY KL
LOWER CHOZA FORMATION
UPPER CLEAR FORK GROUP
LAND-VERTEBRATE FAUNACHRON MIDDLE D
UPPER LEONARDIAN 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: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925
Family: SPHENACODONTIDAE Marsh, 1878
Subfamily: SPHENACODONTINAE Marsh, 1878 (sensu Nopcsa, 1925)
Tribe: DIMETERODONTINI Nopcsa, 1925
Dimetrodon gigashomogenes
_____________________________________________________________________________________
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
KR
FLOWER POT FORMATION
EARLY LATE 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
Kahneria seltina
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: CASEASAURIA WILLISTON, 1912
Family: CASEIDAE Williston, 1912
Angelosaurus greeni
Caseopsis agilis
_____________________________________________________________________________________
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
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TEXAS
KNOX COUNTY
ALEXANDER RANCH
LOCALITY KS
FLOWER POT FORMATION
EARLY LATE 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 greeni
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
ALEXANDER RANCH
LOCALITY KT
FLOWER POT FORMATION
EARLY LATE 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 greeni
_____________________________________________________________________________________
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
KZ
FLOWER POT RED SHALE
EARLY LATE 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
Kahneria seltina
_____________________________________________________________________________________
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
NORTH OF THE O. L. PATTERSON RANCH HOUSE
SEYMOUR FORMATION
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: CROCODYLOMORPHA WALKER, 1968
GRANDORDER: CROCODILIFORMES HAY, 1930
MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983
ORDER: EUSUCHIA emend HUXLEY, 1875
INFRAORDER: CROCODYLIA emend GMELIN, 1877
PARVORDER: BREVIROSTRES
Superfamily: CROCODILOIDEA Cuvier, 1807 (sensu Fitzinger, 1826)
Family: CROCODYLIDAE Cuvier, 1807
Superfamily: ALLIGATORIDEA Buffetaut, 1985
Incertae sedis
Alligator sp
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
2 M N OF VERA
SEYMOUR FORMATION
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: CROCODYLOMORPHA WALKER, 1968
GRANDORDER: CROCODILIFORMES HAY, 1930
MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983
ORDER: EUSUCHIA emend HUXLEY, 1875
INFRAORDER: CROCODYLIA emend GMELIN, 1877
PARVORDER: BREVIROSTRES
Superfamily: CROCODILOIDEA Cuvier, 1807 (sensu Fitzinger, 1826)
Family: CROCODYLIDAE Cuvier, 1807
Superfamily: ALLIGATORIDEA Buffetaut, 1985
Incertae sedis
Alligator sp
_____________________________________________________________________________________
TEXAS
KNOX COUNTY
GILLILAND FAUNA
PLEISTOCENE EPOCH
UPPER QUATERNARY SUBERA
UPPER CENOZOIC ERA
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: CROCODYLOMORPHA WALKER, 1968
GRANDORDER: CROCODILIFORMES HAY, 1930
MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983
ORDER: EUSUCHIA emend HUXLEY, 1875
INFRAORDER: CROCODYLIA emend GMELIN, 1877
PARVORDER: BREVIROSTRES
Superfamily: CROCODILOIDEA Cuvier, 1807 (sensu Fitzinger, 1826)
Family: CROCODYLIDAE Cuvier, 1807
Superfamily: ALLIGATORIDEA Buffetaut, 1985
Incertae sedis
Alligator sp
_____________________________________________________________________________________
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
_____________________________________________________________________________________