Genuine Orthoceras Plate, Two Species Spheres This specimen has sharp

This specimen has sharp

5 x 3 inches

“The Relaxation Tree” makes for a great gift and a beautiful display item in any room

Large specimen of lustrous green apophyllite crystals in isolated clusters on druzy chalcedony matrix

Genuine Orthoceras Plate, Two Species Spheres This specimen has sharpTwo Orthoceras fossils found in a sea bed matrix. Orthoceras ("straight horn") had a slender, elongated shell, with the middle of the body chamber transversely constricted, and a subcentral orthochoanitic siphuncle. The surface is ornamented by a network of fine lirae. 250 to 750 million years ago, the orthoceras mollusk lived in abundance during the Paleozoic Era. Orthoceras is a member of the class Cephalopoda and is closely related to the extinct