NEW MEXICO

SAN MIGUEL COUNTY

RECOS RIVER

ABOUT 2 KM SOUTH FO RIBERA ON THE EASTERN SIDE OF STATE HIGHWAY 3 SOUTH OF ITS INTERESCTION WITH I-25

SANGRE DE CRISTO FORMATION

COYOTEAN OR SEYMOURAN AGE

WOLFCAMPANIAN STAGE

UPPER LOWER TO LOWER MIDDLE 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 sp

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