Trinacromerum

Trinacromerum is an extinct genus of sauropterygian reptile, a member of the polycotylid plesiosaurs. It contains two species, T. bentonianum and T. kirki. Specimens have been discovered in the Late Cretaceous fossil deposits of what is now modern Kansas and Manitoba.[1]
Category:Animals
Category:Creatures
Category:Late cretaceous plesiosaurs of north america
Category:Polycotylids
Category:Reptiles