Genuine Trilobite Fossil (Ptychopariida) on Matrix (184.4 grams) stilbite from Minas Gerais

from Minas Gerais

25 Inches

Dimensions: 7 x 5 x 5 inches

Orthoceras is a member of the class Cephalopoda and is closely related to the extinct giant Cephalopod and present-day chambered nautilus

This stone is polished to a mirrored finish which amplifies its beautiful color and fits comfortably in your hand

Genuine Trilobite Fossil (Ptychopariida) on Matrix (184.4 grams) stilbite from Minas GeraisPtychopariida is a large, heterogeneous order of trilobite containing some of the most primitive species known. The earliest species occurred in the second half of the Lower Cambrian period. Trilobites have facial sutures that run along the margin of the glabella and or fixigena to the shoulder point where the cephalon meets the thorax. These sutures outline the cranidium, or the main, central part of the head that does not include the librigena (free