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

Flow tank experiments show that Dactylioceras was probably a slow swimmer

3---mesolimulus

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

is a mammal of the order Carnivora

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