PaleoDB taxon number: 285228
Alternative combinations: Heptranchias howellii, Notidanion howellii
Full reference: M. D. Reed. 1946. New species of fossil shark from New Jersey. Notulae Naturae 172:1-4
Type specimen: ANSP 15078, a tooth. Its type locality is Belmar, which is in a Bartonian marine horizon in the Shark River Formation of New Jersey.
Ecology: nektonic carnivore