Description
Original diagnosis after Hodnett et al., 2025 [34037]: Small obruchevodid petalodont shark with heterodont dentition bearing pointed mesiodistal and lingual margins on the crown. The upper symphyseal tooth is relatively tall, with rounded chisel-like cusp, lingual side with two minor lower lingual plications, and tooth base flat labiolingually and wide mesiodistally. The lower symphyseal tooth is relatively tall, the trenchant crown bifid with narrow pointed mesiodistal margins, the lingual surface with two slight mesiodistal basins between the crown and the lingual heel, the lingual heel bearing four slight shallowly u-shaped and well-spaced plications, and the tooth base long and narrow. Anterolateral teeth wider mesiodistally than tall, with relatively rounded shallow chisel-like cusps and lingual surface with two to six plications. Distolateral teeth wider mesiodistally than tall, crown bearing two short cusps or a single notched cusp, a small labial ridge present, lingual surface relatively flat with three to four lingual plications, and tooth base long and narrow.

Remarks
shark-references Species-ID=17537

References