F112 – Richard D. Little Geology Collection

Sample ID F112 • Cabinet M

Fremontia fremonti

9.71cm W x 1.03cm H x 6.54cm D • 64g

Sample Type	Fossil	Fossil Type	Altered hard parts		Mohs Hardness		4
Domain	Eukaryota	Kingdom	Animalia	Phylum	Arthropoda	Class	Trilobita
Order	Redlichiida	Family	Olenellidae	Genus	Mesonacis	Species	Mesonacis fremonti
Distribution/Period		North America, Lower Cambrian			Habitat	Marine
Preservation	Cast	Orig. Material?	NA	Relief	Positive Relief	Mineral Comp.	Potentially limestone

This specimen is medium sized and is a brown cast. The head shield is large and there are two spines that bend backwards, there are two large spines on the thorax that also bend backwards along with small backwards bending segments. The tail spine is very long, about the same size as the head and thorax combined.