Description
Original diagnose after Stumpf et al. (2019) p. 2-3 [27281]: †Pseudoscyliorhinid shark showing the following unique combination of morphological characters: presence of a supraorbital crest above the orbit; possession of an antorbital and postorbital wall delimiting the orbit anteriorly and posteriorly, respectively; presence of a small postorbital process and a distinct sphenopterotic ridge; Meckel’s cartilage rather slender and anteroposteriorly elongated; vertebrae of cyclospondylic type and strongly hourglass-shaped without ornamentation; orthodont-type teeth; tooth crown with prominent, lingually inclined main cusp that is flanked by a single pair of short, pointed lateral cusplets; cusp and lateral cusplets with continuous, weakly developed cutting edges; absence of tooth crown ornamentation; teeth of lateral and posterior positions with distally inclined main cusp forming oblique cutting edges that reach about one-third of the way to the apex of the cusp; oblique grooves on the labial face of the crown; root low with hemiaulacorhize vascularization pattern; basal face of the root very flat and strongly flared, exhibiting a roughly semicircular to oval outline in basal view; lingual protuberance of the root rounded and weakly developed; and labial face of the root with grooves, furrows, and small foramina, especially along the labial basal edge of the root, and with a central basally open notch that gives rise to a slit-like, deeply incised mediolabial groove on the basal face of the root.

Remarks
shark-references Species-ID=15438;
type species of Diprosopovenator Stumpf et al., 2019 p. 2 [27281] by original designation (Art. 68.2 ICZN);

valid after Stumpf et al. (2019) p. 2 [27281];

References