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

ORDER: CRYPTODIRA COPE, 1868

Family: SOLEMYDIDAE Lapparent & Murelaga, 1997

Naomichelys speciosa

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: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: TRIONYCHIDAE Bell, 1828

Trionyx sp

Family: ADOCIDAE Cope, 1870

Adocus beatus
= Adocus punctatus
Adocus sp

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

Incertae sedis

Gen. sp indet.

ORDER: MESOSUCHIA EMEND HUXLEY, 1875

PARVORDER: METASUCHIA BENTON & CLARK, 1988

INFRAORDER: METAMESOSUCHIA HULKE, 1878

NEOSUCHIA CLARK, IN BENTON & CLARK, 1988

Family: GONIOPHOLIDIDAE Cope, 1875

Incertae sedis

Gen. sp indet.

ORDER: EUSUCHIA emend HUXLEY, 1875

Family: BOREALOSUCHIDAE emend BROCHU, 1999

Borealosuchus sp
= Leidyosuchus sp

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

SUBORDER: COELURIA MARSH, 1881

Superfamily: TYRANNOSAUROIDEA Osborn, 1906 (sensu Bonaparte et. al., 1990)

Family: TYRANNOSAURIDAE Osborn, 1906

Gen. sp indet.

SUBORDER: ORNITHOMIMOSAURIA BARSBOLD, 1976

Family: ORNITHOMIMIDAE Marsh, 1890

Gen. sp indet.

AVEPECTORA PAUL, 2001

SUBORDER: MANIRAPTORA GAUTHIER, 1986

INFRAORDER: PARVES SERENO, 1997

PARVORDER: DEINONYCHOSAURIA COLBERT & D. A. RUSSELL, 1969

Family: DROMAEOSAURIDAE Russell, 1969

Gen. sp indet.

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Incertae sedis

*Parrosaurus missouriensis= Neosaurus missouriensis
= Hypsibema missouriense

Gen. sp indet.