Doryaspis nathorsti, primitive jawless fish Pteranodon 292-298) suggests that though human

292-298) suggests that though human hunting may not have been the primary cause toward the mammoth's final extinction

(Cro-Magnon) I Skull

Miscellaneous

The density of specimens in the Aspidella beds suggests levels of benthic biomass in the Neoproterozoic that could rival those of modern marine communities

Location: China Age: Late Miocene

Doryaspis nathorsti, primitive jawless fish Pteranodon 292-298) suggests that though humanDoryaspis ("Dart Shield") (also known by its synonym, "Lyktaspis") is an extinct genus of primitive jawless fish that lived in the Devonian period. Fossils have been discovered in Spitsbergen. The animals had a canteen shaped body armor, and had large branchial plates that extended out and curved downward in a triangular shape, very similar to those of the pycnosteids. An element of the median oral plates (that would correspond to the lower lip or