19.6 HUGE Mosasaur JAW Fossil With Six Teeth Sea T. Rex 100 Million Year Old

Gavialimimus almaghribensis, a Late Cretaceous mosasaur from Morocco, stands out for itsremarkable ecological specialization. Unlike its bulkier mosasaur contemporaries, Gavialimimus filled a unique niche as anagile fish hunter, thriving alongside these giants by exploiting a different food source.