ENGLAND

BEDFORDSHIRE COUNTY

POTTON

PHOSPHATE BEDS

VALANGINIAN-HAUTERIVIAN STAGE

NEOCOMIAN SUBEPOCH

LOWER EARLY CRETACEOUS EPOCH

EARLY 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

Incertae sedis

Gen. sp indet.

SUBORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835

INFRAORDER: PLIOSAUROMORPHA NOVA

Superfamily: PLIOSAUROIDEA Seeley, 1874

Family: PLIOSAURIDAE Seeley, 1874

Polyptychodon interruptus

Incertae sedis

Pliosaurus sp

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

Incertae sedis

Gen. sp indet.

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: MESOSUCHIA EMEND HUXLEY, 1875

SUBORDER: THALATTOSUCHIA EMEND FRAAS, 1901

Family: TELEOSAURIDAE Geoffroy, 1831

Incertae sedis

Teleosaurus sp

Family: METRIORHYNCHIDAE Fitzinger, 1843

Incertae sedis

Dakosaurus sp

_____________________________________________________________________________________


ENGLAND

BEDFORSHIRE COUNTY

NEAR POTTON

WEALDEN (WOBURN SANDS, REWORKED)

VALANGIANIAN- BARREMIAN STAGE

MIDDLE NEOCOMIAN SUBEPOCH

LOWER EARLY CRETACEOUS EPOCH

EARLY 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

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

SUPERORDER: EURYOPDA SERENO, 1986

GRANDORDER: STEGOSAUROMORPHA COOPER, 1985 (EMEND)

ORDER: STEGOSAURIA MARSH, 1877

Family: STEGOSAURIDAE Marsh, 1877

Incertae sedis

*Craterosaurus pottonensis

_____________________________________________________________________________________