MISSISSIPPI

OKTIBBEHA COUNTY

SITE MS.53.017

"MULDROW" MEMBER

DEMOPOLIS FORMATION

UPPER CAMPANIAN STAGE

SENONIAN SUBEPOCH

GULF EPOCH

LATE CRETACEOUS 

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELONOIDEA GAFFNEY & MEYLAN, 1988

Superfamily: DERMOCHELYOIDEA Willams, 1950

Family: CTENOCHELYIDAE Gentry, 2018

Asmodochelys parhami

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MISSISSIPPI

OKTIGGEHA COUNTY

RIPLEY FORMATION

MIDDLE-UPPERMIDDLE MOSASAURUS ACME-ZONE

NAVESINKIAN AGE

EARLY MAASTRICHTIAN STAGE?

UPPER SENONIAN SUBEPOCH

GULF EPOCH

LATE CRETACEOUS

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)

*Eothoracosaurus mississippiensis
= Thoracosaurus meirsanus (referred)