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South African Museum Cape Town
Bathynataliidae is described and compared with Bathynatalia gilchristi The single specimen
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Africa appear authors avicularia basal base becomes body chamber bovids branch Campanian Cape chamber characters close collected Collignon colony complete compressed Cook deep described Description developed diameter differs distal distinct dorsal early edge fauna figures Formation fossils frontal genus holotype horn-cores illustrations included indicated inner keel known Langebaanweg larger lateral length less locality lower Madagascar mandible marginal material medial middle Museum narrow Note occur orifice original ornament ornithischian ovicell Pleistocene possible posterior present preserved probably proximal Quarry range referred region relative Remarks rhizoids ribs ridge rounded Santonian Scale separated short side similar single slightly South African soutoni species specimens spines stage station SM surface suture Table teeth Texanites transverse tubercles tucki umbilical upper ventral wall whorl whorl section wide width zooids Zululand