{{Short description|Extinct genus of trilobites}} {{other uses|Costonia, Ohio}} {{Automatic taxobox | fossil_range= | image = | image_caption = | taxon = Costonia | authority = Whittard, 1956 | subdivision_ranks = Species | subdivision = * ''C. elegans'' Dean, 1960<ref>The Ordovician trilobite faunas of south Shropshire. WT Dean, 1960</ref> * ''C. ultima'' Bancroft, 1949 | synonyms =
}}
'''''Costonia''''' is a genus of trilobites in the family Trinucleidae. The species ''C. elegans'' is from the Ordovician of South Shropshire, England.
== See also == * List of trilobite genera
== References == {{Reflist}}
== External links == <!-- * {{Wikispecies-inline}} * {{Commons-inline}} --> * {{eol|9076569}} * {{fossilworks|id= 21880 |title=''Costonia'' |date= }} * [https://web.archive.org/web/20170226131153/http://insectoid.info/trilobita/asaphida/trinucleidae/costonia_genus/ ''Costonia''] at insectoid.info
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Category:Trinucleidae Category:Asaphida genera
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