ENGLAND

CAMBRIDGE UPPER GREENSAND

LATE ALBIAN STAGE

MIDDLE GALLIC SUBEPOCH

UPPERMOST 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

Incertae sedis

Gen. sp indet.

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

SUPERORDER: EURYOPDA SERENO, 1986

GRANDORDER: ARMATOSAURIA ZHAO, 1983 (emend)

ORDER: ANKYLOSAURIA OSBORN, 1923

SUBORDER: SCELIDOSAURIA COOPER, 1985

INFRAORDER: ANKYLOSAURA OSBORN, 1923

Family: POLACANTHIDAE Weiland, 1911

Hylaeosaurus armatus

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ENGLAND

UNKNOWN

CAMBRIDGE GREENSAND

ALBIAN STAGE

LOWER GALLIC SUBEPOCH

UPPER EARLY CRETACEOUS EPOCH

EARLY CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AVES LINNAEUS, 1758

AVEBREVICAUDA PAUL, 2001

SUBCLASS: ODONTORNITHES MARSH, 1873

INFRACLASS: ODONTOHOLCAE NOVA

MAGNORDER: HESPERORNITHES

ORDER: HESPERORNITHIFORMES FURBRINGER, 1888

Family: ENALIORNITHIDAE Furbringer, 1888

*Enaliornis barretti
= Palaeocolymbus barretti
= Pelagornis barrettt
*Enaliornis seeleyi

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