Aspidella terranovica, Ediacaran Fauna (Replica) Carnataurus Flow tank experiments show that

Flow tank experiments show that Dactylioceras was probably a slow swimmer

is a mammal of the order Carnivora

Late Carboniferous to late Permian (270 m

The largest Diplocynodon specimens recovered at Messel reach lengths of about 4 feet

It was a massive dinosaur measuring up to 50 feet in length and weighing between 10-15 tons

Aspidella terranovica, Ediacaran Fauna (Replica) Carnataurus Flow tank experiments show thatAspidella terranovica Billings, 1872 was first described from the late Neoproterozoic Fermeuse Formation (St. John's Group) on the Avalon Peninsula of eastern Newfoundland, approximately 1km stratigraphically above the famous Ediacaran biota at Mistaken Point, and several kilometers below the base of the Cambrian. Aspidella has been reinterpreted perhaps more than any other Precambrian taxon, and has variously been regarded as a fossil mollusk or