BERKELY COUNTY
ST. STEPHEN
SANTEE REDIVERISON CANAL
SPOILS PILES
WILLIAMSBURG FORMATION
BLACK MINGO GROUP
LATE PALEOCENE EPOCH
LOWER PALEOGENE PERIOD
LOWER TERTIARY SUBERA
CENOZOIC ERA
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: CROCODYLOMORPHA WALKER, 1968
GRANDORDER: CROCODILIFORMES HAY, 1930
MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983
ORDER: MESOSUCHIA EMEND HUXLEY, 1875
PARVORDER: METASUCHIA BENTON & CLARK, 1988
INFRAORDER: TETHYSUCHIA BUFFETAUT, 1982
Family: DYROSAURIDAE de STEFANO, 1903
Hyposaurus rogersii