Crotalocephalina (Crotalocephalus) gibbus

Species: Crotalocephalina (Crotalocephalus) gibbus Age: Early Devonian (395-345 million years ago)  Location: Atchana, Morocco   Matrix size: 2.5" x 2.5" x 2.5" Specimen size: 2" x 1.5"   Crotalocephalus is a genus of trilobites that lived from the Late Silurian to the Early Devonian. Its remains have been found in Asia, Australia, Africa, and Europe. Crotalocephalus gibbus comes from the Early Devonian (395-345 million years ago) of Morocco. Crotocephalus has small holochroal eyes and a prominent glabella.