Volume 17 1974

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Author: search.filters.author.Mendrez, Christiane HeleneHas files: Yes

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    A NEW SPECIMEN OF PROMOSCHORHYNCHUS PLATYRHINUS BRINK 1954 (MOSCHORHINIDAE) FROM THE DAPTOCEPHALUS-ZONE (UPPER PERMIAN) OF SOUTH AFRICA
    (BERNARD PRICE INSTITUTE FOR PALAEONTOLOGICAL RESEARCH, 1974) Mendrez, Christiane Helene
    The morphology of the skull of Promoschorhynchus platyrhinus (Moschorhinidae) from the Daptocephalus-zone (Upper Permian) of South Africa) is described with special reference to the palate and posterior part of the skull. Promoschorhynchus is compared with Moschorhinus and considered to be a vaild genus mainly differing from Moschorhinus in retaining a longer snout, and in possessing a more primitive morphology of the palatal plates of the premaxillae and vomers. Promoschorhynchus also differs from Moschorhinus in having developed a sharp crista choanalis and a fairly broad epipterygoid. The composition of the South African Moschorhinidae is briefly discussed and is considered temporarily as consisting of five genera: M oJchorhinUJ (.1 = TigriJuchuJ). CerdoPJ, PromoJchorhynchUJ and Hewittia. TigriJuchUJ and MOJchorhinuJ are probably synonyms.