Chancia (trilobite)

For the commune in France, see Chancia.

Chancia
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Subclass:	Librostoma
Order:	Ptychopariida
Suborder:	Ptychopariina
Superfamily:	Ptychopariacea
Family:	Alokistocaridae
Genus:	Chancia
Species
C. rasettii (type) Walcott, 1924 C. ebdome (unrecognized) C. tuberculata (unrecognized)

Chancia is an extinct genus of Cambrian trilobite. It was a "fast-moving epifaunal detritivore" from Canada (British Columbia, specifically Burgess Shale, and Newfoundland) and the USA (Idaho, Pennsylvania, Utah, and Vermont).^[1] Chancia was a particle feeder. Its major characteristics are a normal glabella but an enlarged cephalon due to a pre-glabellar field in front of the glabella, as well as developed eye ridges, medium-sized genal spines, and an extremely small pygidium.^[2]

References

1. ^ Paleobiology Database. "Chancia", accessed March 27, 2011.
2. ^ Coppold, Murray and Wayne Powell (2006). A Geoscience Guide to the Burgess Shale, p.57. The Burgess Shale Geoscience Foundation, Field, British Columbia. ISBN 0978013204.