Chondrichthyes - Hexanchiformes - Heptranchidae
Alternative combination: Notidanus tenuidens
Synonyms: Heptranchias ezoensis Applegate and Uyeno 1968, Heptranchias karagalensis Kozlov 1999
Full reference: M. Leriche. 1938. Contribution à l'étude des Poissons fossiles des pays riverains de la Méditerranée américaine (Venezuela, Trinité, Antilles, Mexique). Mémoires de la Société Paléontologique Suisse 51:1-42
Belongs to Heptranchias according to H. Cappetta et al. 2016
See also Applegate and Uyeno 1968, Kozlov 1999, Leriche 1938 and Uyeno 1972
Sister taxa: Heptranchias cinereus, Heptranchias howellii, Heptranchias perlo
Type specimens:
- Heptranchias tenuidens: Its type locality is El Mene de Acosta, which is in a Chattian marine horizon in the El Mene Formation of Venezuela
- Heptranchias ezoensis: NSMT Pal 7421, a tooth. Its type locality is Kashima, which is in a Priabonian marine horizon in the Poronai Formation of Japan.
- Heptranchias karagalensis: Kz-2/1/Kr, a tooth.
Ecology: nektonic carnivore
Distribution:
• Oligocene of Czechia (2 collections), Poland (4), Venezuela (1)
• Eocene of Japan (1)
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.