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 mulidontia

SUBCLASS: 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 mulidontia

SUBCLASS: 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 hudsoni

SUPERORDER: 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 hamatus

Paracaptorhinus neglectes
= *Captorhinoides valensis

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
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

_____________________________________________________________________________________


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

_____________________________________________________________________________________