Hexanchus sp. Rafinesque, 1810
Chondrichthyes
Elasmobranchii
Selachimorpha
Hexanchiformes
Hexanchidae
Eocene-Recent
Length: 5 m
The sixgill shark survived today only as a deep water scavenger but it was more widespread in prehistoric times. They are the most primitive sharks alive today.
September 28, 2014