ENGLAND

BUCKINGHAMSHIRE COUNTY

CALDECOTTE LAKE

LOWER OXFORD CLAY

MIDDLE CALLOVIAN STAGE

MIDDLE DOGGER EPOCH

MIDDLE JURASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

INFRACLASS: NEODIAPSIDA BENTON, 1985

NEODIAPSIDA: INCERTAE SEDIS

OR AMNIOTA: INCERTAE SEDIS

MAGANORDER: ICHTHYOPTERYGIA BAUR, 1887 emend nova

SUPERORDER: EOICHTHYOSAURIA MOTANI, 1999

GRANDORDER: ICHTHYOSAURIA EMEND BLAINVILLE, 1835

MICRORDER: LONGIPINNATI HUENE, 1948

ORDER: MERRIAMOSAURIA MONTANI, 1999

SUBORDER: EUICHTHYOSAURIA MONTANI, 1999

INFRAORDER: PARVIPELVIA MONTANI, 1999

PARVORDER: NEOICHTHYOSAURIA SANDER, 2000

SUPERFAMILY: OPHTHALMOSAURIDEA SEELEY, 1874

Family: OPTHALMOSAURIDAE Seeley, 1874

Incertae sedis

Ophthalmosaurus sp

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