Lonchidion

Lonchidion: Research Database Hybodontiformes (Chondrichthyes) · Triassic (~250-200 MYA) · Cosmopolitan (Marine and Freshwater)   Research Note: Lonchidion was a hybodontiform shark from the Triassic — a primitive shark and an important taxon for understanding shark evolution in the Triassic.   Research Finding Status Grade Year Method Citation Impact Duffin 1998: Lonchidion and new data … Read more