TEXAS

GARZA COUNTY

MOTT VPL 3869

COOPER CANYON FORMATION

COOPER MEMBER

DOCKUM FORMATION

CARNIAN STAGE

LATE TRIASSIC EPOCH

LATE TRIASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

ORDER: TRILOPHOSAURIA ROMER, 1956

Family: TRILOPHOSAURIDAE Gregory, 1945

Trilophosaurus dornorum

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TEXAS

GARZA COUNTY

MOTT VPL 3878

COOPER CANYON FORMATION

COOPER MEMBER

DOCKUM FORMATION

CARNIAN STAGE

LATE TRIASSIC EPOCH

LATE TRIASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

ORDER: TRILOPHOSAURIA ROMER, 1956

Family: TRILOPHOSAURIDAE Gregory, 1945

Trilophosaurus dornorum

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TEXAS

GARZA COUNTY

DOUBLE U RANCH

COOPER CANYON MEMBER

DOCKUM FORMATION

CARNIAN STAGE

LATE TRIASSIC EPOCH

LATE TRIASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: PARAREPTILIA OLSON 1947

INFRACLASS: SAUROPSIDA HUXLEY, 1864

ORDER: PROCOLOPHONOMORPHA ROMER, 1964

SUBORDER: PROCOLPHOMORPHA SEELEY, 1888

Family: PROCOLOPHONIDAE, Seeley, 1888

Subfamily: LEPTOPLEURONIAE Ivakhenko, 1982

*Libognathus sheddi

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