original description(ofTrigonia vcostata Lycett, 1850 †)Lycett, J. (1850). Tabular view of fossil shells from the middle division of the Inferior Oolite in Gloucestershire. <em>The Annals and Magazine of Natural History, Zoology, Botany and Geology, Series 2.</em> 6: 401-425., available online athttps://www.biodiversitylibrary.org/page/16086826 page(s): 422 [details]
Present Inaccurate Introduced: alien Containing type locality