OKLAHOMA
GARVIN COUNTY
SW 1/4 SEC 19 T3N R1E
WELLINGTON FORMATION (GARBER FORMATION)
SUMMER GROUP
ARBUCKLE LIMESTONE
(PROBABLY EQUIVALENT TO THE ARROYO FORMATION OF TEXAS)
LEONARDIAN STAGE
LOWER 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
Varanosaurus acutirostris
____________________________________________________________________________________