GERMANY

NORTH RHINE-WESTPHALIA STATE

NORTHEAST OF GRONAU (WESTFALEN)

FORMER GERDEMANN & CO BRICK-WORKS CLAY PIT

ISTERBERG FORMATION ("WEALDEN 6")

BÜCKEBERTG GROUP

PACHYCYTHERIDEA TRAPEZOIDALIS OSTRACOD ZONE

UPPERMOST BERRIASIAN STAGE

LOWER NEOCOMIAN SUBSTAGE

EARLY CRETACEOUS EPOCH

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. kanzleri
= Peloneustes kanzleri
= Elasmosaurus kanzleri
*P. degenhardti
*P. limnophilus

XENOPSARIA BENSON, & DRUCKEMILLER, 2013

Superfamily: LEPTOCLEIDOIDEA White, 1940 emend Druckenmiller, & Russell, 2008

Family: LEPTOCLEIDIDAE White, 1940

*Brancasaurus brancai
= *Gronausaruus wegneri

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: ARMATOSAURIA ZHAO, 1983 (emend)

ORDER: ANKYLOSAURIA OSBORN, 1923

SUBORDER: SCELIDOSAURIA COOPER, 1985

INFRAORDER: ANKYLOSAURA OSBORN, 1923

Family: NODOSAURIDAE Marsh, 1890

Gen. sp indet.

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