TEXAS

WICHITA COUNTY

MOUNT BARRY LOCALITY

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

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: PARAREPTILIA OLSON 1947

INFRACLASS: INCERTAE SEDIS

ORDER: BOLOSAUROIA KUHN, 1959

Family: BOLOSAURIDAE Cope, 1878

Subfamily: BOLOSAURINAE Cope, 1878

*Bolosaurus striatus

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TEXAS

WICHITA COUNTY

6 MILES SOUTHWEST NEAR BIG WICHITA RIVER

MOUNT BARRY

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

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TEXAS

3 M E OF WICHITA FALLS

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: AMPHIBAMIDAE Moodie, 1910

Tersomius texensis

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TEXAS

WICHITA COUNTY

NEAR THE MOUTH OF BEAVER 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: EDAPHOSAURA NOVA

Family: EDAPHOSAURIDAE Cope, 1882

Edaphosaurus cruciger
= Dimetrodon cruciger
= Naosaurus cruciger

INFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925

Family: SPHENACODONTIDAE Marsh, 1878

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

Tribe: DIMETERODONTINI Nopcsa, 1925

Dimetrodon booneorum

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TEXAS

WICHITA COUNTY

MOUNT BARRY

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: EDAPHOSAURA NOVA

Family: LUPEOSAURIDAE Romer & Price, 1940

Lupeosaurus kayi

INFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925

Family: SPHENACODONTIDAE Marsh, 1878

Subfamily: SECODONTOSAURINAE Romer & Price, 1940

*Secodontosaurus obtusidens
= Theropleura obtusidens
= Dimetrodon obtusidens

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

Tribe: DIMETERODONTINI Nopcsa, 1925

Dimetrodon limbatus
= *Dimetrodon rectiformis
*Dimetrodon natalis
= Clepsydrops natalis

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TEXAS

WICHITA COUNTY

10 M W OF WICHITA FALLS

MOUNT BARRY

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 retroversus
= Theropleura retroversus

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