TEXAS
BAYLOR COUNTY
NEAR DUNDEE
PETROLIA FORMATION
WICHITA GROUP
UPPER WOLFCAMPIAN TO LOWER LEONARDIAN
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: EUSKELIA YATES & WARREN, 2000
ORDER: EYROPODIA
Superfamily: DISSOROPHOIDEA Boulenger, 1902 (sensu Bolt, 1969)
Family: DISSOROPHIDAE Boulenger, 1902
Subfamily: PARIOXYINAE Moustafa, 1955
Parioxys ferricolus
_____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
FULDA
PETROLIA FORMATION
WICHITA GROUP
UPPER WOLFCAMPIAN TO LOWER LEONARDIAN
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: EUSKELIA YATES & WARREN, 2000
ORDER: EYROPODIA
Superfamily: DISSOROPHOIDEA Boulenger, 1902 (sensu Bolt, 1969)
Family: DISSOROPHIDAE Boulenger, 1902
Subfamily: PARIOXYINAE Moustafa, 1955
Parioxys ferricolus
_____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
GIBBS SURVEY A-566
WEST OF CHARLES WILLIAMS RANCH
PETROLIA FORMATION
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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 insignis
= *Trimerorhachis medius
_____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
SECT. 11, A-160
H. T. AND B. SURVEY
2 MILES NW BOONE HOUSE
WOLF CREEK (RED HOLOW)
PETROLIA FORMATION
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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 insignis
_____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
NORTH FORK OF THE LITTLE WICHITA RIVER
UNKNOWN
NOCONA FORMATION (FORMERLY LOWER TO LOWER UPPER ADMIRAL FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON LOWER B
UPPER WOLFCAMPANIAN 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: EUSKELIA YATES & WARREN, 2000
ORDER: EYROPODIA
Superfamily: ERYOPOIDEA Cope, 1882 (sensu Save-Soderbrergh, 1935)
Family: ERYOPIDAE Cope 1882
Eryops megacephalus
____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
LOWER BRUSHY CREEK
PETROLIA FORMATION (FORMERLY BELLE PLAINS FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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: EUSKELIA YATES & WARREN, 2000
ORDER: EYROPODIA
Superfamily: ERYOPOIDEA Cope, 1882 (sensu Save-Soderbrergh, 1935)
Family: ERYOPIDAE Cope 1882
Eryops megacephalus
____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
OILFIELD, NORTH OF WESTOVER & MET SURVEY A-963
PETROLIA FORMATION (FORMERLY BELLE PLAINS FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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: EUSKELIA YATES & WARREN, 2000
ORDER: EYROPODIA
Superfamily: ERYOPOIDEA Cope, 1882 (sensu Save-Soderbrergh, 1935)
Family: ERYOPIDAE Cope 1882
Eryops megacephalus
____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
SOUTH SIDE OF GODWIN'S CREEK
PETROLIA FORMATION (FORMERLY BELLE PLAINS FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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: EUSKELIA YATES & WARREN, 2000
ORDER: EYROPODIA
Superfamily: ERYOPOIDEA Cope, 1882 (sensu Save-Soderbrergh, 1935)
Family: ERYOPIDAE Cope 1882
Eryops megacephalus
____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
HALF MILE SOUTH OF GODWIN CREEK
HICKS FARM
PETROLIA FORMATION (FORMERLY BELLE PLAINS FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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: EUSKELIA YATES & WARREN, 2000
ORDER: EYROPODIA
Superfamily: ERYOPOIDEA Cope, 1882 (sensu Save-Soderbrergh, 1935)
Family: ERYOPIDAE Cope 1882
Eryops megacephalus
____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
PETROLIA FORMATION (FORMERLY BELLE PLAINS FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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
ORDER: COTYLOSAURIA COPE, 1880
SUBORDER: DIADECTOMORPHA Watson, 1917
Family: DIADECTIDAE Cope, 1880
Diadectes sideropelicus
____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
NEAR FULDA
PETROLIA FORMATION (FORMERLY BELLE PLAINS FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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: EUSKELIA YATES & WARREN, 2000
ORDER: EYROPODIA
Superfamily: ERYOPOIDEA Cope, 1882 (sensu Save-Soderbrergh, 1935)
Family: ERYOPIDAE Cope 1882
Eryops sp
____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
SOUTHEAST OF FULDA
TEXAS & NEW ORLEANS RAILROAD COMPANY SURVEY
PETROLIA FORMATION (FORMERLY BELLE PLAINS FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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: SPHENACODONTINI Marsh, 1878
*Ctenorhachis jacksoni
____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
SE OF FULDA
NORTH SIDE OF THE LITTLE WICHITA RIVER
PETROLIA FORMATION (FORMERLY BELLE PLAINS FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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 booneorum
____________________________________________________________________________________
TEXAS
EASTERN BAYLOR COUNTY
ALONG THE LITTLE WICHITA BELOW FULDA
PETROLIA FORMATION (FORMERLY BELLE PLAINS FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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 booneorum
____________________________________________________________________________________
TEXAS
EASTERN BAYLOR COUNTY
LITTLE WICHITA BELOW FULDA
PETROLIA FORMATION (FORMERLY BELLE PLAINS FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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: OPHIACHODONTIA NOVA
Family: OPHIACODONTIDAE Nopsca, 1923
Ophiacodon uniformis
Ophiacodon retroversus
= *Therosaurus watsoniINFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925
Family: SPHENACODONTIDAE Marsh, 1878
Subfamily: SPHENACODONTINAE Marsh, 1878 (sensu Nopcsa, 1925)
Tribe: DIMETERODONTINI Nopcsa, 1925
Dimetrodon limbatus
Dimetrodon natalis
= Clepsydrops natalis
____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
BELOW FULDA
LITTLE WICHITIA RIVER
N SIDE OF NORTH FOLK
J. GIBBS SURVEY A-566
WEST OF CHARLES WILLIAMS RANCH
PETROLIA FORMATION
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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 insignis
_____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
T AND NO RAILWAY SURVEY
BELOW FULDA
LITTLE WICHITA RIVER
SOUTH SIDE OF NORTH FOLK
PETROLIA FORMATION
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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 insignis
_____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
WEST COFFEE CREEK
LOWER CLEAR FORK GROUP
ARROYO
LAND-VERTEBRATE FAUNACHRON LOWER D
MIDDLE LEONARDIAN STAGE
UPPER ROTLIEGENDES
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 mesops
_____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
INDIAN CREEK
LOWER CLEAR FORK GROUP
ARROYO
LAND-VERTEBRATE FAUNACHRON LOWER D
MIDDLE LEONARDIAN STAGE
UPPER ROTLIEGENDES
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 mesops
_____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
?INDIAN CREEK
LOWER CLEAR FORK GROUP
ARROYO
LAND-VERTEBRATE FAUNACHRON LOWER D
MIDDLE LEONARDIAN STAGE
UPPER ROTLIEGENDES
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 mesops
_____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
COFFEE CREEK
LOWER CLEAR FORK GROUP
ARROYO
LAND-VERTEBRATE FAUNACHRON LOWER D
MIDDLE LEONARDIAN STAGE
UPPER ROTLIEGENDES
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 mesops
_____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
COFFEE CREEK
BRANCH WEST
LOWER CLEAR FORK GROUP
ARROYO
LAND-VERTEBRATE FAUNACHRON LOWER D
MIDDLE LEONARDIAN STAGE
UPPER ROTLIEGENDES
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 mesops
_____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
NEAR REDHAM
PETROLIA FORMATION
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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 insignis
_____________________________________________________________________________________
TEXAS
EASTERN END OF BAYLOR COUNTY
GODWIN CREEK
NOCONA FORMATION (FORMERLY LOWER TO LOWER UPPER ADMIRAL FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON LOWER B
UPPER WOLFCAMPANIAN 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: OPHIACHODONTIA NOVA
Family: OPHIACODONTIDAE Nopsca, 1923
Ophiacodon uniformis
= Theropleura uniformis
= Poliosaurus uniformis
Ophiacodon retroversus
= Theropleura retroversusINFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925
Family: SPHENACODONTIDAE Marsh, 1878
Subfamily: SECODONTOSAURINAE Romer & Price, 1940
Secodontosaurus obtusidens
= Theropleura obtusidens
= Dimetrodon obtusidensSubfamily: SPHENACODONTINAE Marsh, 1878 (sensu Nopcsa, 1925)
Tribe: DIMETERODONTINI Nopcsa, 1925
Dimetrodon limbatus
Dimetrodon natalis
= Clepsydrops natalis
Dimetrodon booneorum
____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
A TRIBUTARY OF GODWIN CREEK
DAGGETT CREEK
PETROLIA FORMATION (FORMERLY BELLE PLAINS FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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 limbatus
= Dimetrodon incisivus
____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
SOUTH SIDE OF GODWIN CREEK AND NEAR IT’S MOUTH
NOCONA FORMATION (FORMERLY LOWER TO LOWER UPPER ADMIRAL FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON LOWER B
UPPER WOLFCAMPANIAN 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: SECODONTOSAURINAE Romer & Price, 1940
Secodontosaurus obtusidens
= Theropleura obtusidens
= Dimetrodon obtusidens
____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
4 M E OF RENDHAM
PETROLIA FORMATION (FORMERLY BELLE PLAINS FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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: EUSKELIA YATES & WARREN, 2000
ORDER: EYROPODIA
Superfamily: DISSOROPHOIDEA Boulenger, 1902 (sensu Bolt, 1969)
Family: DISSOROPHIDAE Boulenger, 1902
____________________________________________________________________________________
TEXAS
BAYLOR COUNTY
TREMATOPS LOCALITY
PETROLIA FORMATION (FORMERLY BELLE PLAINS FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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)
Eocaptorhinus laticeps
= Pariothynchus laticeps
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TEXAS
BAYLOR COUNTY
1 1/2 M W OF WILLIAMS RANCH
PETROLIA FORMATION (FORMERLY BELLE PLAINS FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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: EUSKELIA YATES & WARREN, 2000
ORDER: EYROPODIA
Superfamily: DISSOROPHOIDEA Boulenger, 1902 (sensu Bolt, 1969)
Family: TREMATOPIDAE Williston, 1910
Phonerpeton pricei
= Acheloma pricei
= *Acheloma whiteiCLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
ORDER: ARAEOSCELIDA WILLISTON 1913
Family: ARAEOSCELIDAE Williston, 1910
Araeoscelis casei
= Ophiodeirus casei
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TEXAS
BAYLOR COUNTY
NEAR VERNON CROSSING
PETROLIA FORMATION (FORMERLY BELLE PLAINS FORMATION, MIDDLE WICHITA GROUP)
LOWER WICHITA GROUP
LAND-VERTEBRATE FAUNACHRON UPPER B
UPPER WOLFCAMPANIAN 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)
Protocaptorhinus sp
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