Trilobite Teaching Colletion, 35 specimens (Replica) Spinosaurus The defining feature of a

The defining feature of a rodent is the large paired incisors that grow continuously throughout its life

and show how this small amphibian walked across a mud-flat in prehistoric WV

This beautiful replica Drotops megalomanicus belongs to the Order Phacopida and the Family Phacopicae

This is an undescribed species of insectivore-like mammal from the Green River Formation of Wyoming

1 meters) long and were likely connected to one another by skin

Trilobite Teaching Colletion, 35 specimens (Replica) Spinosaurus The defining feature of aThis is a collection of 35 trilobites as listed below. It makes a perfect teaching set or addition to any collectors collection. They include: 5 Arctinurus boltoni Silurian Rochester Shale, Middleport, NY 31 Asaphus expansus Ordovician Oalo, Norway 18 Basiliella Ordovinian Eastern, NA 26 Basiliella Ordovician Eastern, NA 3 Calymene celebra Silurian Mid western, US 13 Ceraurus pleurexanthermus Ordovinian Bobcaygeon Formation, Ontario, Canada 29 Ceraus