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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