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Pycnonemosaurus

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Pycnonemosaurus
Temporal range: Late Cretaceous, 70 Ma
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Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: Theropoda
Family: †Abelisauridae
Genus: †Pycnonemosaurus
Kellner & Campos, 2002
Species:
†P. nevesi
Binomial name
†Pycnonemosaurus nevesi
Kellner & Campos, 2002
Synonyms
  • Pycnoneosaurus nevesi Paul, 2010 lapsus calami

Pycnonemosaurus (meaning 'thick forest lizard') is a genus of carnivorous theropod dinosaur that belonged to the family Abelisauridae. It was found in the Upper Cretaceous Bauru-type red conglomerate sandstone, in the Mato Grosso, in Brazil and lived about 70 million years ago, during the Late Cretaceous (Maastrichtian stage). It has been estimated to be 7 metres (23 ft) long.[1]

Thus far, fossil finds are fragmentary: five incomplete teeth, parts of seven caudal vertebrae, the distal part of a right pubis, a right tibia, and the distal articulation of the right fibula. The small pubic foot and hatchet-shaped cnemial crest of the tibia distinguish this species within the abelisaurs. The type species, Pycnonemosaurus nevesi, was formally described by Kellner and Campos in 2002.[1]

See also

References

  1. ^ a b Paul, G.S. (2010). Princeton Field Guide to Dinosaurs. Princeton University Press. p. 79.
  • Kellner, A.W.A. and D.A. Campos. 2002. On a theropod dinosaur (Abelisauria) from the continental Cretaceous of Brazil. Arquivos do Museu Nacional Rio de Janeiro 60 (3): pp. 163-170.
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