Archaeornithoides - tutorial aa343

? Archaeornithoides

fossil

Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Sauropsida
Superorder:Dinosauria
Order:Saurischia
Suborder:Theropoda
(unranked)Coelurosauria
(unranked)Maniraptoriformes
Genus:Archaeornithoides
Species:A. deinosauriscus
Binomial name
Archaeornithoides deinosauriscus
Elzanowski et al., 1992

Archaeornithoides deinosauriscus is an indeterminate maniraptoriform theropod dinosaur that was found in Late Cretaceous Djadokhta formation beds located in Bayn Dzak, Mongolia. The remains, consisting of a juvenile skull fragment comprehending paired maxillae and dentaries and also palate bones found in river sandstone, were described by Elzanowski et al. in 1992. The etymology of the generic name refers to the animal's character as “similar to an ancient bird” while the specific epithet alludes to the animal's small size for a dinosaur. A peculiarity about the generic name is that there is a genus Ornithoides that lived in late Jurassic North America. Archaeornithoides was hailed by Elżanowski & Wellnhofer (1993) as the dinosaur closest, phylogenetically, to birds, characterized by an interdigitated suture between the premaxilla and maxilla & lack of interdental plates. However posterior phylogenetic analysis on the remain of this small carnivore displaying similarities to both troodonts and dromaeosaurs has yielded an uncertain position in Maniraptoriformes.

References for this article
  • Elżanowski, Andrzej & Wellnhofer, Peter (1993): Skull of Archaeornithoides deinosauriscus from the Upper Cretaceous of Mongolia. American Journal of Science 293-A-A: 235-252. PDF fulltext

The Theropod Database

Archaeornithoides@Dinodata

  • This page was last modified by Admin. Previous modification to this article was done on 16:14, 23 Nov 2006 by Wikipedia user J. Spencer. Based on work by Wikipedia user(s) Dysmorodrepanis, Firsfron, Dinoguy2, John.Conway, Dracontes, Pablo-flores and Grand Moff Brian.
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    Pub date - 2009-05-15 12:16:24
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    Thu, 04 Jun 2009 11:02:30 GMT - 原鸟形龙(Archaeornithoides) 重腿龙(Bradycneme) 两凿齿龙(Diplotomodon) 沼泽鸟龙(Elopteryx) 屿峡龙(Labocania) 理查德伊斯特斯龙(Ricardoestesia) 欧爪牙龙(Euronychodon) 近爪牙龙(Paronychodon) 拟鸟龙(Avimimus) 伤龙(Dryptosaurus) ...
    archaeornithoides (pronounced ahr-kee-or-nith-oi-deez ...
    Wed, 04 Oct 2006 20:38:00 GMT - a partial skull of a juvenile archaeornithoides was found in mongolia. it dates from the late cretaceous period. this advanced theropod was named by elzanowski and wellnhofer in 1992. the type species is a. deinosauricus.

    Archaeornithoides - tutorial aa343

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