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The Archiocidaris brownwoodensis sea urchins from the Brownwood Lake Spillway site were marine animals which died with their spines still attached
which were fused to the last few tail vertebrae
Despite similar fossils being unearthed in the 1930's (in Namibia) and the 1940's (in Australia)
†Edmontosaurus was constantly replacing its teeth as the tops were worn down
The telson was a stinger which was probably capable of secreting poisons
Desmostylus hesperus, teeth in matrix Protoceratops The Archiocidaris brownwoodensis sea urchinsDesmostylus is an extinct genus of herbivorous mammal of the family Desmostylidae living during the Late Oligocene through the Late Miocene (28. 4 mya7. 250 mya) for a s pan of approximately 21. 2 million years. Desmostylus was a large, hippopotamus like creature of about 1. 8 meters (6 feet) long which weighed about 200 kilograms (440 pounds). It had a short tail and powerful legs with four hooves. Both the creature's jaws were elongated and sported