Protoplatyrhina aff. renae
Case, 1978
Classification: Elasmobranchii Rajiformes Hypsobatidae
Reference of the original description
A new selachian fauna from the Judith River Formation (Campanian) of Montana. Palaeontographica, Abt. A, 160(1–6), 176–205
A new selachian fauna from the Judith River Formation (Campanian) of Montana. Palaeontographica, Abt. A, 160(1–6), 176–205
Types
Protoplatyrhina aff. renae
Protoplatyrhina aff. renae
Description:
Citation: Protoplatyrhina aff. renae Case, 1978: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 04/2024
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Description
Original diagnose after Case (1978) p. 193 [388]: A batoid tooth of small size, ranging between 0.25 mm to 1 mm in length, and 0.75 mm in height, rhombodic to hexagonal structure in its occlusal aspect, with a lingual protuberance (on the anterior and posterior teeth) on the apron of the crown, overhanging the root, with a basal aspect similar to that of hypolophids: a medial furrow centered on the basal aspect (cf. Text-fig. 15), running transversely in lateral teeth, obliquely in postero-lateral teeth, with a central foramen in the furrow- between the lobes.
Original diagnose after Case (1978) p. 193 [388]: A batoid tooth of small size, ranging between 0.25 mm to 1 mm in length, and 0.75 mm in height, rhombodic to hexagonal structure in its occlusal aspect, with a lingual protuberance (on the anterior and posterior teeth) on the apron of the crown, overhanging the root, with a basal aspect similar to that of hypolophids: a medial furrow centered on the basal aspect (cf. Text-fig. 15), running transversely in lateral teeth, obliquely in postero-lateral teeth, with a central foramen in the furrow- between the lobes.
Remarks
shark-references Species-ID=11053;
shark-references Species-ID=11053;
References
Selachians from the Upper Cretaceous (Santonian) Hosta Tongue of the Point Lookout Sandstone, central New Mexico. New Mexico Museum of Natural History and Science, Bulletin, 52, 1–52
Selachians from the Upper Cretaceous (Santonian) Hosta Tongue of the Point Lookout Sandstone, central New Mexico. New Mexico Museum of Natural History and Science, Bulletin, 52, 1–52
