1.9" Fossil Paralenorthis Sp Brachiopod In Matrix Valongo Formation Arouca Portugal Insect and Protostega

and Protostega

The most supported theory about these crests is that they served as visual displays

at the end of the Cretaceous

The origin of diogenites is closely tied to the internal evolution of asteroid 4 Vesta

These formidable creatures possessed complete dorsal and ventral carapaces composed of densely packed osteoderms—bony dermal plates structurally analogous to armadillo integument but achieving turtle-shell proportions

1.9" Fossil Paralenorthis Sp Brachiopod In Matrix Valongo Formation Arouca Portugal Insect and ProtostegaLocation: Valongo Formation, Arouca, Portugal Weight: 10. 1 Ounces Dimensions: 4. 8 Inches Long, 4. 1 Inches wide, 0. 7 Inches Thick (Matrix) Dimensions: 1. 9 Inches Long, 1. 2 Inches wide The item pictured is the one you will receive. Middle Ordovician Age, 470 Million Years Old. Paralenorthis sp is a genus of brachiopods belonging to the class Rhynchonellata, which are characterized by their bivalve like shells and are primarily found in marine