Occurrence of a tylosaurine mosasaur (mosasauridae; russellosaurina) from the turonian of chihuahua state, mexico Report as inadecuate




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Boletín de la Sociedad Geológica Mexicana 2013, 65 (1)

Author: Abelaid Loera Flores

Source: http://www.redalyc.org/


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Boletín de la Sociedad Geológica Mexicana ISSN: 1405-3322 sgm_editorial@geociencias.unam.mx Sociedad Geológica Mexicana, A.C. México Loera Flores, Abelaid Occurrence of a tylosaurine mosasaur (Mosasauridae; Russellosaurina) from the Turonian of Chihuahua State, Mexico Boletín de la Sociedad Geológica Mexicana, vol.
65, núm.
1, 2013, pp.
99-107 Sociedad Geológica Mexicana, A.C. Distrito Federal, México Available in: http:--www.redalyc.org-articulo.oa?id=94348265009 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Occurrence of a B tylosaurine mosasaur from the Turonian of Chihuahua State, Mexico oletín de la Sociedad Geológica Mexicana 99 D DA GEOL Ó CA GI S OC IE Volumen 65, núm.
1, 2013, p.
99-107 1904 . 2004 . I C AN A A C M EX C i e n A ñ os Occurrence of a tylosaurine mosasaur (Mosasauridae; Russellosaurina) from the Turonian of Chihuahua State, Mexico Abelaid Loera Flores1 1 Dirección de Minerales Energéticos, Gerencia de Evaluación, Servicio Geológico Mexicano, Calle Industrial 6, Lote 6, Int.
2, Zona Industrial Robinson, C.P.
31074, Chihuahua, Chihuahua, México. * alflores@sgm.gob.mx Abstract A new mosasaur specimen was discovered in the Ojinaga Formation (Turonian) in Chihuahua, Mexico.
It is described here based on an incomplete, slightly deformed skull.
Comparative analysis reveals features from the parafamily Russellosaurinae, especially the genus Tylosaurus.
Some features as the “V” shaped skull, well developed rostral process, 12 to 13 dentary and maxillary teeth, shape of premaxilla-maxilla suture, and similar proportions of mandible and quadrate bone are characteristics of Tylosaurus, and are similar to T.
proriger and T.
nepaeolicus, but the absence of an infrastapedial proce...





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