NEW MEXICO

SANDOVAL COUNTY

S 1/2 SEC. 3

LOWER PETRIFIED FOREST FORMATION

CHINLE GROUP

LATE TRIASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: SYNAPSIDA OSBORN, 1903

SUPERORDER: THERASPID BROOM, 1905

GRANDORDER: EUTHERAPSIDA

MICRORDER: NEOTHERAPSIDA

ORDER: ANOMODONTIA WATSON & ROMER, 1956

SUBORDER: DICYNODONTIA OWEN, 1860

Superfamily: PRISTERODONTIA Cluver & King, 1983

Family: KANNEMEYERIDAE Huene, 1948

Subfamily: STAHLECKERIINAE Huene, 1935

Tribe: PLACERINI Kalandadze, 1973 (sensu King, 1988)

Placerias sp

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