Captivating Fossil: CALYMENE breviceps

Captivating Fossil: CALYMENE breviceps

By Joseph “PaleoJoe” Kchodl This species of Silurian CALYMENE has a very bulbous and furrowed glabella. The trilobite is roughly triangular in shape with the cephalon that is roughly semi–circular in shape. This trilobite is fairly broad and has a small pygidium. The...
Trilobite Hunting Grand Find: OLENELLUS fremonti

Trilobite Hunting Grand Find: OLENELLUS fremonti

By Joseph “PaleoJoe” Kchodl Nevada is known for its grand casinos, but for trilobite hunters, it is known for grand Cambrian trilobites. Equally grand, in terms of trilobite size, is the Nevada native OLENELLUS fremontii. This type of trilobite is known to...
ZACANTHOIDES idahoensis — A Predatory Carnivore

ZACANTHOIDES idahoensis — A Predatory Carnivore

By Joseph “PaleoJoe” Kchodl The featured fossil, a ZACANTHOIDES idahoensis, is a very spiny Cambrian trilobite with a wide cephalon that ends in long genal spines. The thorax is slender and contains nine segments and two pleural lobe sections that end in...