KANSAS

SE KIOWA COUNTY

BLUE CUT HILL

KIOWA FORMATION

FREDRICKSBURG SHALE

ALBIAN STAGE

MIDDLE GALLIC SUBEPOCH

UPPER EARLY CRETACEOUS EPOCH

MIDDLE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

INFRACLASS: EURYAPSIDA COLBERT, 1945

SUPERORDER: SAUROPTERYGIA OWEN 1860

GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994

ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835

SUBORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835

INFRAORDER: PLESIOSAUROMORPHA NOVA

EUPLESIOSAURIA O’KEEFE, 2001

Family: PLESIOSAURIDAE Gray, 1825

Incertae sedis

non Plesiosaurus, *P. mudgei

INFRAORDER: PLIOSAUROMORPHA NOVA

Superfamily: PLIOSAUROIDEA Seeley, 1874

Family: PLIOSAURIDAE Seeley, 1874

Incertae sedis

non Plesiosaurus, P. mudgei (Referred specimen)