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
*Eryops latus
*Eryops anatinus

Superfamily: ZATRACHEIDEA Cope, 1882

Family: ZATRACHYDIDAE Cope, 1882

*Zatrachys serratus
= Aspidosaurus serratus

Incertae sedis

Non Zatrachys conchigerus

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 alleni
Trimerorhachis sp

NEOTETRAPODA

SUBCLASS: REPTILIOMORPHA SAVE-SODERBERGH, 1934

Family: Incertae sedis

Non Cricotus heteroclitus
= Cricotus gibsoni
= Cricotus discophorus

ORDER: SEYMOURIAMORPHA WATSON, 1917

SUBORDER: WAGGONERIIDA TATARINOV, 1971

Family: WAGGONERIIDAE Olson, 1951

?Helodectes isaaci
= Helodectes paridens

SUBCLASS: LEPOSPONDYLI ZITTEL, 1888

ORDER: NECTRIDEA MIALL, 1875

Family: DIPLOCAULIDAE Cope, 1881

Diplocaulus magnicornis
= Diplocaulus pusillus
Diplocaulus sp

ORDER: MICROSAURIA DAWSON, 1863

SUBORDER: TUDITANOMORPHA CARROLL & GASKILLL, 1978

Family: PANTYLIDAE Case, 1911

Pantylus cordatus
Pantylus coicodus

ORDER: LYSOROPHIA WILLISTON, 1908

Family: COCYTINIDAE Cope, 1875

Incertae sedis

Lysorophus tricarinatus

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
*Diadectes molaris
= Empedias molaris
= Empedocelis molaris
*Diadectes phaseolinus
= Empedias phaseolinus
*Diadectes fissus
*Diadectes biculminatus
*Diadectes maximus
Diadectes sp

Incertae sedis

Non Diadectes, *D. latibuccatus
= Empedias latibuccatus
= Empedocelis latibuccatus
Non Diadectes alatus
= Empedias alatus

Incertae sedis

*Helodectes isaaci
= ?*Helodectes paridens

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
= Ectocynodon aguti
= Pariotichus aguti
= *Ectocynodon ordinatus
= *Pariotichus ordinatus
= *Pariotichus brachyops
= *Pariotichus isolomus
= Captorhinus isolomus
Captorhinus sp
= Pariotichus sp

Labidosaurus hamatus
= Pariotichus hamatus

Paracaptorhinus neglectes
= Captorhinoides valensis

SUBCLASS: SYNAPSIDA OSBORN, 1903

ORDER: PELYCOSAURIA COPE, 1878

Incertae sedis

Gen. sp indet.

SUBORDER: EUPELYCOSAURIA KEMP, 1982

INFRAORDER: OPHIACHODONTIA NOVA

Family: OPHIACODONTIDAE Nopsca, 1923

Ophiacodon uniformis
= Theropleura uniformis
= Poliosaurus uniformis
Ophiacodon retroversus
= Theropleura retroversus

INFRAORDER: EDAPHOSAURA NOVA

Family: EDAPHOSAURIDAE Cope, 1882

Edaphosaurus cruciger
Edaphosaurus pogonias
= Naosaurus claviger
Edaphosaurus sp

INFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925

Family: SPHENACODONTIDAE Marsh, 1878

Incertae sedis

?Embolophorus sp

Gen. sp indet.

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

Tribe: DIMETERODONTINI Nopcsa, 1925

*Dimetrodon incisivus
*Dimetrodon gigas
= Clepsydrops gigas
Dimetrodon dollovianus
= Embolophorus dollovianus
Dimetrodon grandis
Dimetrodon sp

_____________________________________________________________________________________

UNKNOWN

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

*Dissorophus multicinctus
= *Dissorophus articulatus

SUBCLASS: LEPOSPONDYLI ZITTEL, 1888

ORDER: MICROSAURIA DAWSON, 1863

SUBORDER: TUDITANOMORPHA CARROLL & GASKILLL, 1978

Family: GYMNARTHRIDAE Case, 1910

Cardiocephalus sternbergi
= Gymnarthrus willoughbyi

_____________________________________________________________________________________

TEXAS

UNKOWN

WICHITA

UNKNOWN

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

_____________________________________________________________________________________

TEXAS

LOCALITY UNKNOWN

PROBABLY CLEAR FORK

STAGE?

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

Varanosaurus acutirostris

_____________________________________________________________________________________

TEXAS

FLOWER POT FORMATION

EALRY 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

Labidosaurikos meachami

_____________________________________________________________________________________

TEXAS

BIG WICHITA RIVER

LOCALITY UNKNOWN

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)

Gen. sp indet.

Tribe: DIMETERODONTINI Nopcsa, 1925

Dimetrodon limbatus
= *Dimetrodon semiradicatus

_____________________________________________________________________________________

TEXAS

WICHITA LOCAILTY

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

_____________________________________________________________________________________

TEXAS

LITTLE WICHITA RIVER

NORTH FORK

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

Gen. sp indet.
= Naosaurus

_____________________________________________________________________________________

TEXAS

CRADOCK BONE-BED

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: SEYMOURIDA TATARINOV, 1971

Superfamily: SEYMOURIOIDEA Williston, 1911 (sensu Tatarinov, 1971)

Family: SEYMOURIIDAE Williston, 1911

Seymouria baylorensis

_____________________________________________________________________________________

TEXAS

6 M FROM SEYMOUR

CRADOCK’S RANCH

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

_____________________________________________________________________________________

TEXAS

BELLE PLAINS

EARLY PERMIAN

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

ORDER: ARAEOSCELIDA WILLISTON 1913

Family: ARAEOSCELIDAE Williston, 1910

Araeoscelis gracilis

_____________________________________________________________________________________

TEXAS

NORTH SIDE OF BIG WICHITA RIVER

EARLY PERMIAN

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LABYRINTHODONTIA OWEN, 1860

SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887

MICROORDER: EUSKELIA YATES & WARREN, 2000

ORDER: EYROPODIA

Superfamily: ZATRACHEIDEA Cope, 1882

Family: ZATRACHYDIDAE Cope, 1882

*Dasyceps microphthalmus
= Zatrachys microphthalmus

_____________________________________________________________________________________

TEXAS

NEAR THE WICHITA

INDIAN CREEK

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 sp

_____________________________________________________________________________________

TEXAS

10 MILES DUE SOUTH OF MERKEL

NORTH SLOPE OF CASTLE PEAK

UPPER CLEAR FORK

EARLY PERMIAN

ICHNOSTEM: TETRAPODIPIDA NOVA

ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA

ICHNOCLASS: REPTILIPEDIA VIALOV, 1966

ICHNOSUBCLASS: PARAREPTILIPEDIA NOVA

ICHNOINFRACLASS: SAUROPSIDIPEDIDI NOVA

ICHNOORDER: COTYLOSAURIPEDII EMEND VIALOV, 1966

Incertae sedis

*Erpetopus willistoni
= *Microsauropus acutipes

*Varanopus curvidactylus
*Varanopus palamatus
*Varanopus impressus
*Varanopus elrodi

ICHNOSUBCLASS: DIAPSIDIPIDII NOVA

ICHNOSTEM-GROUP: NEODIAPSIDIPEDII NOVA

ICHNOINFRACLASS: NEODIAPSIDIPEDII NOVA

Incerate sedis

*Microsauropus clarki

_____________________________________________________________________________________