DELAWARE

KENT COUNTY

FAIRHAVEN MEMBER (FAIRHAVEN C)

CALVERT FORMATION

LOWER MIOCENE EPOCH

LOWER NEOGENE PERIOD

UPPER TERTIARY SUBERA

MIDDLE 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: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

Family: GAVIALIDAE Cuvier, 1807

Subfamily: THORACOSAURINAE Cope, 1875 (sensu Nopcsa, 1928)

Thecachampa antiquus

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