''Costonia'' is a genus of trilobites in the family
Trinucleidae
Trinucleidae is a family of small to average size asaphida, asaphid trilobites that first occurred at the start of the Ordovician and became extinct at the end of that Period (geology), period. It contains approximately 227 species divided over 5 ...
. The species ''C. elegans'' is from the Ordovician of South
Shropshire
Shropshire (; alternatively Salop; abbreviated in print only as Shrops; demonym Salopian ) is a landlocked historic county in the West Midlands region of England. It is bordered by Wales to the west and the English counties of Cheshire to th ...
, England.
See also
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List of trilobite genera
References
External links
*
*
''Costonia''at insectoid.info
Trinucleidae
Asaphida genera
{{Asaphida-stub