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Segnosauria, a new infraorder of carnivorous dinosaurs

100%

Barsbold R., Perle A.

Acta Palaeontologica Polonica

1980

tom 25

nr 2

A new infraorder of theropod dinosaurs, Segnosauria, is established which includes a single family Segnosauridae Perle, 1979. Representatives of this infraorder display a highly distinctive, opisthopubic pelvis, a slender mandible and anteriorly edentulous lower and upper jaw. A new, alti-iliac type of saurischian pelvis is distinguished, which is characteristic of Segnosauria. Erlikosaurus andrewsi Perle gen. et sp. n. is preliminarily described; a short description of Segnosaurus galbinensis Perle, 1979 and of a fragmentary pelvis determined on the infraordinal level are included.

Goyocephale lattimorei gen. et sp. n., a new flat-headed pachycephalosaur (Ornlthlschia, Dinosauria) from the Upper Cretaceous of Mongolia

80%

Perle A., Maryanska T., Osmolska H.

Acta Palaeontologica Polonica

1982

tom 27

nr 1-4

A new representative of the pachycephalosaur family Homalocephalidae Dong is described, which comes from the Upper Cretaceous deposits of the Gobi Desert, Mongolian People’s Republic. It is more primitive and probably stratigraphically older than Homalocephale calathocercos known from the Upper Cretaceous Nemegt Formation of the Gobi Desert. The diagnosis of H. calathocercos is revised.

Ograniczanie wyników

2 Acta Palaeontologica Polonica

2 Perle A.

1 Barsbold R.

1 Maryanska T.

1 Osmolska H.

1 1982

1 1980

Wyniki wyszukiwania

Segnosauria, a new infraorder of carnivorous dinosaurs

Goyocephale lattimorei gen. et sp. n., a new flat-headed pachycephalosaur (Ornlthlschia, Dinosauria) from the Upper Cretaceous of Mongolia