Genre
Valide Éteint

Megapnosaurus

Ivie et al. 2001

Megapnosaurus est un genre fossile de dinosaures théropodes de la famille des Coelophysidae ayant vécu au cours du Jurassique inférieur. Il était appelé à l'origine Syntarsus. La validité du genre Megapnosaurus est fortement contestée par de nombreux paléontologues qui le considèrent comme un synonyme junior du genre Coelophysis.

Plage temporelle
Trias
Jurassique
Crétacé
Paléogène
Néogène
252 201 145 66 0 Ma
Occurrences PBDB
8
Groupe
Dinosaures
Carnivore Vivant au sol, solitaire Terrestre
Megapnosaurus
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Megapnosaurus is a coelophysid theropod dinosaur from the Early Jurassic Period of Africa. It was a lightly built bipedal carnivore that grew to just over 2 m long and 13 kg in body mass. Its close relation to Coelophysis has caused some confusion in classifying the genus - it had a slender build and curved S-shaped neck, but was more robust. Comparisons between the scleral rings of Megapnosaurus and modern birds and reptiles indicate that it may have been nocturnal. © TotalDino · CC BY-SA 4.0 · Wikimedia

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PBDB ↗ Wikipedia ↗
Classification
Dinosauria Clade non classé
›
Theropoda Clade non classé
›
Neotheropoda Clade non classé
›
Coelophysoidea Superfamille
›
Coelophysidae Famille
›
Megapnosaurus Genre
Sites de découverte 8 sites géolocalisés
Répartition
Principaux pays
🇿🇼 Zimbabwe
5
🇺🇸 États-Unis
1
🇿🇦 Afrique du Sud
1
🇨🇳 Chine
1
Formations géologiques
Forest Sandstone
4
Nyamandhlovu Sandstones
1
Moenave
1
Elliot
1
Lufeng
1
Distribution temporelle
Sinémurien (199.5–192.9 Ma)
6
Hettangien (201.4–199.5 Ma)
1
Norien (227.3–205.7 Ma)
1
Espèces (1)
Megapnosaurus rhodesiensis 201 Ma
Images 1
Bibliographie
Description originale
R. B. Irmis. 2004. First report of Megapnosaurus (Theropoda: Coelophysoidea) from China. PaleoBios 24(3):11-18
Bibliographie (8)
A. R. C. Milner and M. G. Lockley. 2006. History, geology and paleontology: St. George Dinosaur Discovery Site at Johnson Farm, Utah. Making Tracks Across the Southwest: The 2006 Desert Symposium
R. B. Irmis. 2004. First report of Megapnosaurus (Theropoda: Coelophysoidea) from China. PaleoBios 24(3):11-18
D. Munyikwa and M. A. Raath. 1999. Further material of the ceratosaurian dinosaur Syntarsus from the Elliot Formation (Early Jurassic) of South Africa. Palaeontologia Africana 35:55-59
M. A. Raath. 1990. Morphological variation in small theropods and its meaning in systematics: evidence from Syntarsus rhodesiensis. Dinosaur Systematics: Perspectives and Approaches, Cambridge University Press, Cambridge DOI ↗
M. A. Raath. 1977. The Anatomy of the Triassic Theropod Syntarsus rhodesiensis (Saurischia: Podokesauridae) and a Consideration of Its Biology. Department of Zoology and Entomology, Rhodes University, Salisbury, Rhodesia
G. Bond. 1972. Milestones in Rhodesian paleontology (1901–1971). Transactions of the Geological Society of South Africa 75(2):151-158
M. A. Raath. 1972. First record of dinosaur footprints from Rhodesia. Arnoldia 5(37):1-5
M. A. Raath. 1969. A new coelurosaurian dinosaur from the Forest Sandstone of Rhodesia. Arnoldia (Rhodesia) 4(28):1-254