Gladioserratus

In Depth        Gladioserratus is an extinct genus of cow shark that is known to have first appeared near the middle of the Early Cretaceous.‭ ‬Further fossil discoveries have led to the realisation that species of Gladioserratus lived all the way to the end of the Cretaceous and into the Paleocene.‭ ‬There has also been speculation … Read more

Lonchidion

In Depth        Lonchidion is a genus of very successful hybodontid shark that lived for most of the Mesozoic.‭ ‬Most fossils attributed to Lonchidion are Cretaceous in age,‭ ‬though Jurassic and even Late Triassic fossils are also known.‭ ‬Also,‭ ‬while Lonchidion has been mostly associated with North America and Europe,‭ ‬fossils from Africa and Asia are … Read more