Description
Original diagnosis after Engelbrecht, Mörs, Reguero & Kriwet, 2017 [24830]: Extinct hemiscyllid shark only known by isolated teeth that are characterized by the following combination of dental characters: gradient monognathic heterodonty; main cusp triangular, with a broad base in labial view, slightly lingually inclined; labial and lingual crown faces devoid of ornamentation; lateral cusplets low, triangular, and well separated from the main cusp; cutting edges delicate to almost absent; crown with more or less concave depression at transition from cusp to apron; apron jutting over the root, very prominent, well detached from labial crown face in labial view and directed basally but not reaching the basal plane of the root in profile view; anterior edge of apron very bulky in profile view; basal labial margin of apron varies from convex in anterior teeth to being slightly concave in lateral to posterior teeth; anterior margin of apron curved basally; root high with sub-rectangular outline in profile view; diverging root lobes form an anteriorly open, V-shaped basal plane with well-developed labial depression; central nutrient foramen large; supposed lower jaw teeth higher and more slender than supposed upper jaw teeth, which are shorter and more compact; lateral cusplets of presumed upper jaw teeth not as distinctive as in those assigned to the lower jaw.

Remarks
shark-references Species-ID=14807;
type species of Notoramphoscyllium Engelbrecht, Mörs, Reguero & Kriwet, 2017 [24830] by monotypy (Art. 68.3 ICZN);

References