ENGLAND

NORTH LINCOLNSHIRE COUNTY

NEAR NETTLETON

TOP BARN QUARRY (TF 106 990

LOWER SPILSBY SANDSTONE MEMBER

SPILSBY SANDSTONE FORMATION

UPPERMOST TITHONIAN STAGE

UPPER MALM EPOCH

LATE JURASSIC-BERRIASIAN STAGE

LOWER NEOCOMIAN SUBEPOCH

LOWER EARLY CRETACEOUS EPOCH

EARLY CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

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

Incertae sedis

Gen. sp indet.

INFRAORDER: PLESIOSAUROMORPHA NOVA

EUPLESIOSAURIA O’KEEFE, 2001

Superfamily: ELASMOSAUROIDEA Cope, 1869

Family: ELASMOSAURIDAE Cope, 1869

Incertae sedis

Gen. sp indet.

INFRAORDER: PLIOSAUROMORPHA NOVA

Superfamily: PLIOSAUROIDEA Seeley, 1874

Family: LEPTOCLEIDIDAE White, 1940

Incertae sedis

Gen. sp indet.

Family: PLIOSAURIDAE Seeley, 1874

Incertae sedis

Gen. sp indet.

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

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

Acamptonectes sp

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

SUPERORDER: SAUROPODOMORPHA HUENE, 1932

GRANDORDER: BRONTOSAURIA OLSHEVSKY, 1991 (emend)

MICRORDER: SAUROPODA MARSH, 1878

Incertae sedis

Gen. sp indet.

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