Congosaurus: Difference between revisions
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Revision as of 06:09, 1 July 2009
| Congosaurus Temporal range: Paleocene
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| Genus: | Congosaurus
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Congosaurus is an extinct genus of dyrosaurid mesoeucrocodylian. Fossils have been found from Angola and date back to the Paleocene epoch. In 1952 and 1964 Congosaurus was proposed to be synonymous with Dyrosaurus[1][2]. The genus was later regarded to be synonymous with Hyposaurus in 1976 and 1980[3][4]. It has since been proven to be a distinct genus of dyrosaurid separate from both Dyrosaurus and Hyposaurus[5].
In 2007 a new species of Congosaurus was constructed after previously being assigned to Rhabdognathus, and named C. compressus, extending the range of the genus into the present-day Sahara[6]. Lateromedially compressed teeth show its close relation to C. bequaerti.
References
- ^ Arambourg, C. (1952). Les vertébrés fossiles des gisements de phosphates (Maroc, Algérie, Tunisie). Notes et Mémoires du Service géologique du Maroc 92:372.
- ^ Antunes, M. T. (1964). O neocretácico e o cenozóico do litoral de Angola. Junta de Investigações do Ultramar, Lisboa, 254 pp.
- ^ Buffetaut, E. (1976). Une nouvelle définition de la famille des Dyrosauridae de Stefano, 1903 (Crocodylia, Mesosuchia) et ses conséquences: inclusion des genres Hyposaurus et Sokotosuchus dans les Dyrosauridae. Geobios 9:333-336.
- ^ Buffetaut, E. (1980). Les crocodiliens Paléogènes du Tilemsi (Mali): un aperçu systématique. Palaeovertebrata, Mémoire jubilaire en hommage à René Lavocat 15–35.
- ^ Jouve, S. & Schwarz, D. (2004). Congosaurus bequaerti, a Paleocene dyrosaurid (Crocodyliformes; Mesoeucrocodylia) from Landana (Angola). Bulletin de l’Institut Royal des Sciences Naturelles de Belgique, Sciences de la Terre 74:129-146.
- ^ Jouve, S. (2007). Taxonomic revision of the Dyrosaurid assemblage (Crocodyliformes: Mesoeucrocodylia) from the Paleocene of the Iullemmeden Basin, west Africa. Journal of Paleontology 81(1):163-175.
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