F120 – Richard D. Little Geology Collection

Sample ID F120 • Cabinet M

Elrathia kingii

3.35cm W x 0.8cm H x 3.45cm D • 10g

Sample Type	Fossil	Fossil Type	Altered hard parts		Mohs Hardness		2
Domain	Eukaryota	Kingdom	Animalia	Phylum	Arhtropoda	Class	Trilobita
Order	Ptychopariida	Family	Alokistocaridae	Genus	Elrathia	Species	E. kingii
Distribution/Period		North America, Cambrian			Habitat	Marine
Preservation	Cast	Orig. Material?	NA	Relief	Positive and Negative	Mineral Comp.	Shale

This is a group of many broken up fossils that all include E. kingii. Some of them have very prominent thoraxes and tails. Others are pieces of the head shield. This trilobite is one of the most common and resembles the classic "trilobite look." Large glabella, no spines, the segments are all rounded and the patten continues into the tail.