Acta Palaeontologica Polonica

First Cenomanian dinosaur from Central Europe ( Czech Republic )

Oldřich Fejfar, Martin Košťák, Jiří Kvaček, Martin Mazuch, and Michal Moučka

Acta Palaeontologica Polonica 50 (2), 2005: 295-300

We describe the first dinosaur skeletal remains found in the Czech Republic, consisting of one complete femur and indeterminable bone fragments. They were recovered from the upper Cenomanian near-shore marine sediments deposited on the slopes of an ancient archipelago, several kilometres north of the larger Rhenish-Bohemian Island that was situated in what is now the middle of Europe. Sediments yielding dinosaur remains are of late Cenomanian age, Inoceramus pictus-I. pictus bohemicus inoceramid zone of the local lithostratigraphic unit, the Peruc-Korycany Formation. These are the first uncontested dinosaurian fossils reported from this formation and also the first Cenomanian dinosaur record in Central Europe. They document a small ornithopod belonging to an iguanodontid species comparable with similar Late Cretaceous European forms. The herbivorous dinosaur lived among a vegetation transitional between salt marsh flora, with abundant halophytic conifer Frenelopsis alata; and an alluvial plain assemblage dominated by lauroid angiosperms.

Key words: Dinosauria, Iguanodontidae, palaeoenvironment, vegetation, Cenomanian, Bohemian Cretaceous Basin, Czech Republic, Europe.

Oldřich Fejfar [], Martin Košťák [], and Martin Mazuch [], Ústav geologie a paleontologie, Přírodovědecká fakulta Univerzity Karlovy v Praze, Albertov 6, Praha 2, 128 43, Czech Republic; Jiří Kvaček [], Národní Museum, Václavské náměstí 1, Praha 1, 110 00, Czech Republic; Michal Moučka [mmoucka@c−], Puškinská 657, 284 01 Kutná Hora, Czech Republic.

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