Dalmanites limulurus Trilobites Trilobites Order Phacopida Suborder Phacopina, Superfamily Dalmanitoidea, Family Dalmanitidae Geologic Age: Silurian are ~ 55 mm long Rochester Shale, Rochester area, New York State
Amargasaurus, a Sauropod dinosaur from the early Cretaceous Period (around 130 million years ago). Amargasaurus was small for a Sauropod and featured two rows of spines down its neck and back. Photo taken in Victoria Museum, Melbourne, Australia.
Koneprusia Moroccan Museum Trilobite Spectacularly Spined NEW TYPE Koneprusia aff dahmani Trilobites Order Odontopleurida, Family Odontopleuridae Geological Time: Lower Devonian Size (25.4 mm = 1 inch): Trilobite is 40 mm long by 30 mm wide (including spines) on a 95 mm by 85 mm matrix Fossil Site: Jebel Oufaten, Morocco