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Doryaspis nathorsti, primitive jawless fish ProtoceratopsDoryaspis ("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
but when found
Because hundreds of specimens have been found at Sihuten
anchoring for extra muscle support and rigidity for the backbone
and isopods (sow bugs)
endemic to North America during the Pleistocene epoch (1
Washington
Phylum: Pinophyta
indicating bipedal locomotion
8 m in height and a weight between 1 and 2
The long jaws were distinctly crocodilian and had 96 teeth
This shows scientists the true shape and texture of the animal
Each � skull profile is on a plaque measuring 16x12 inches
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