(ofMytilus demissus Dillwyn, 1817)Dillwyn, L. W. (1817). A descriptive catalogue of Recent shells, arranged according to the Linnean method; with particular attention to the synonymy. John and Arthur Arch, London, Vol. 1: 1-580 pp.; Vol. 2: 581-1092 pp. + index [29 pp.]., available online athttps://www.biodiversitylibrary.org/page/11670899 page(s): 314 [details]
Type locality contained in United States part of the North Atlantic Ocean
type locality contained in United States part of the North Atlantic Ocean [from synonym] [view taxon][details]
Distribution Gulf of St. Lawrence (unspecified region), northern Gaspe waters, southern Gaspe waters (Baie des Chaleurs, Gaspe Bay to...
Distribution Gulf of St. Lawrence (unspecified region), northern Gaspe waters, southern Gaspe waters (Baie des Chaleurs, Gaspe Bay to American, Orphan and Bradelle banks; eastern boundary: eastern Bradelle Valley); Prince Edward Island (from the northern tip of Miscou Island, N.B. to Cape Breton Island south of Cheticamp, including the Northumberland Strait and Georges Bay to the Canso Strait causeway); Cobscook Bay [details]
MolluscaBase eds. (2025). MolluscaBase. Geukensia demissa (Dillwyn, 1817). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=156859 on 2025-07-15
original description(ofBrachydontes clava Mörch, 1853)Mörch [Mørch], O. A. L. (1852-1853). <i>Catalogus conchyliorum quae reliquit D. Alphonso d'Aguirra & Gadea Comes de Yoldi, Regis Daniae Cubiculariorum Princeps, Ordinis Dannebrogici in Prima Classe & Ordinis Caroli Tertii Eques. Fasc. 1, Cephalophora</i>, 170 pp. [1852]; <i>Fasc. 2, Acephala, Annulata, Cirripedia, Echinodermata</i>, 74 [+2] pp. [1853]. Hafniae [Copenhagen]: L. Klein. , available online athttp://www.biodiversitylibrary.org/bibliography/12921[details]
original description(ofModiola semicostata Conrad, 1837)Conrad, T. A. (1837). Description of new marine shells, from Upper California. Collected by Thomas Nuttall, Esq. <em>Journal of the Academy of Natural Sciences, Philadelphia.</em> 7: 227-268, pls 17-20., available online athttp://biodiversitylibrary.org/page/24676893 page(s): 244 [details]
original description(ofMytilus demissus Dillwyn, 1817)Dillwyn, L. W. (1817). A descriptive catalogue of Recent shells, arranged according to the Linnean method; with particular attention to the synonymy. John and Arthur Arch, London, Vol. 1: 1-580 pp.; Vol. 2: 581-1092 pp. + index [29 pp.]., available online athttps://www.biodiversitylibrary.org/page/11670899 page(s): 314 [details]
basis of recordBrunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. <em>Canadian Special Publication of Fisheries and Aquatic Sciences, 126.</em> 405 pp. (look up in IMIS) [details] Available for editors [request]
additional sourceHuber, M. (2010). <i>Compendium of bivalves. A full-color guide to 3,300 of the world's marine bivalves. A status on Bivalvia after 250 years of research</i>. Hackenheim: ConchBooks. 901 pp., 1 CD-ROM. (look up in IMIS) [details]
additional sourceFell, P. E. & Williams, J. H. (1985). Distribution of the snail, <i>Melampus bidentatus</i> and the mussel, <i>Geukensia demissa</i>, along the Pataguanset Estuary (Connecticut) in relation to salinity and other tidal marsh invertebrates. <em>The Nautilus.</em> 99(1): 21-28., available online athttps://www.biodiversitylibrary.org/page/8276665[details]
additional sourceDeaton, L. E. & Kempler, K. D. (1989). Occurrence of the ribbed mussel, <i>Geukensia demissa</i>, on the gills of a horseshoe crab, <i>Limulus polyphemus</i>. <em>The Nautilus.</em> 103(1): 42., available online athttps://www.biodiversitylibrary.org/page/8278036[details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
From regional or thematic species database
Introduced species impact in Caribbean Sea (IHO Sea Area) : Adverse habitat modification [details] Introduced species impact in Caribbean Sea (IHO Sea Area) : Outcompetes native species for resources and/or space [details] Introduced species impact in California (State) : Adverse habitat modification [details] Introduced species impact in California (State) : Outcompetes native species for resources and/or space [details] Introduced species vector dispersal United States part of the North Pacific Ocean (Marine Region) Aquaculture: accidental [details]
Unreviewed
Distribution Gulf of St. Lawrence (unspecified region), northern Gaspe waters, southern Gaspe waters (Baie des Chaleurs, Gaspe Bay to American, Orphan and Bradelle banks; eastern boundary: eastern Bradelle Valley); Prince Edward Island (from the northern tip of Miscou Island, N.B. to Cape Breton Island south of Cheticamp, including the Northumberland Strait and Georges Bay to the Canso Strait causeway); Cobscook Bay [details] Habitat intertidal and infralittoral of the Gulf and estuary [details] Reproduction separate sexes, usually not dimorphic in shell structure; fertilization occurs within the mantle cavity anf young hatch as pelagic larvae (generalized for group) [details]