Journal
ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
Volume 149, Issue 4, Pages 533-567Publisher
WILEY-BLACKWELL
DOI: 10.1111/j.1096-3642.2007.00271.x
Keywords
Crocodylomorpha; Hamadasuchus; skull
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This paper presents a detailed description of the skull and part of the mandible of the crocodyliform reptile Hamadasuchus rebouli from the Kem Kem beds (Upper Cretaceous: Albian-Cenomanian) of south-eastern Morocco. This taxon of deep-snouted ziphodont crocodyliform can be diagnosed by a number of autapomorphies. Phylogenetic analysis of a diverse array of crocodylomorph taxa found strong support for a clade comprising H. rebouli, Peirosauridae, and Sebecus. The name Sebecia nom. nov. is proposed for this grouping, which is diagnosed by numerous characters, including the participation of the quadratojugal in the mandibular condyle. The distribution of this diverse and long-lived clade lends further support to the biogeographical hypothesis that faunal connections existed between Africa and South America well into mid-Cretaceous times. (c) 2007 The Linnean Society of London, Zoological Journal of the Linnean Society, 2007, 149, 533-567.
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