MolluscaBase name details
Trigonia concentrica Cragin, 1893 †
872895 (urn:lsid:marinespecies.org:taxname:872895)
uncertain > unassessed (junior homonym of Trigonia concentrica Agassiz, 1840)
Species
marine, brackish, fresh, terrestrial
fossil only
Cragin, F. W. (1893). A contribution to the invertebrate paleontology of the Texas Cretaceous. In: Dumble, E.T. (Ed.) Fourth Annual Report of the Geological Survey of Texas. Paleontology and Natural History, 9. Geological Survey of Texas, Austin, pp. 139-295, pls 24-46. [published June 1893]., available online at https://repositories.lib.utexas.edu/handle/2152/77954
page(s): 213, pl. 46, fig. 4 [details]
page(s): 213, pl. 46, fig. 4 [details]
Type locality contained in Texas
type locality contained in Texas [details]
MolluscaBase eds. (2025). MolluscaBase. Trigonia concentrica Cragin, 1893 †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=872895 on 2025-04-22
Date
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original description
Cragin, F. W. (1893). A contribution to the invertebrate paleontology of the Texas Cretaceous. In: Dumble, E.T. (Ed.) Fourth Annual Report of the Geological Survey of Texas. Paleontology and Natural History, 9. Geological Survey of Texas, Austin, pp. 139-295, pls 24-46. [published June 1893]., available online at https://repositories.lib.utexas.edu/handle/2152/77954
page(s): 213, pl. 46, fig. 4 [details]
page(s): 213, pl. 46, fig. 4 [details]
Present Inaccurate Introduced: alien Containing type locality
