MolluscaBase name details
Didacna protracta (Eichwald, 1829) †
827975 (urn:lsid:marinespecies.org:taxname:827975)
uncertain > taxon inquirendum
Species
Cardium protractum Eichwald, 1829 † · unaccepted > superseded combination
fossil only
(of Cardium protractum Eichwald, 1829 †) Eichwald, E. (1829). Zoologia Specialis quam expositis animalibus tum vivis, tum fossilibus potissimum Rossiae in universum, et Poloniae in specie, in usum lectionum publicarum in Universitate Caesarea Vilnensi habendarum. Pars prior. Propaedeuticam Zoologiae atque specialem Heterozoorum expositionem continens. Printed by Joseph Zawadzki, Vilnae. Volume 1: 314 pp., pls 1-5. [18 January]., available online at https://www.biodiversitylibrary.org/page/35882071
page(s): 283 [details]
page(s): 283 [details]
Note ‘Hab. calcem Poczaiowensem’, unknown
Status ‘In our opinion, it is somewhat doubtful that a representative of the endemic Caspian genus Didacna might have lived in...
Status ‘In our opinion, it is somewhat doubtful that a representative of the endemic Caspian genus Didacna might have lived in an area that constituts nowadays a part of Western Ukraine. In our opinion, Cardium protractum Eichwald, 1829 and Adacna protracta Eichwald, 1841 may well not to be conspecific’ (Vinarski & Kantor, 2016). [details]
MolluscaBase eds. (2025). MolluscaBase. Didacna protracta (Eichwald, 1829) †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=827975 on 2025-09-10
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original description
(of Cardium protractum Eichwald, 1829 †) Eichwald, E. (1829). Zoologia Specialis quam expositis animalibus tum vivis, tum fossilibus potissimum Rossiae in universum, et Poloniae in specie, in usum lectionum publicarum in Universitate Caesarea Vilnensi habendarum. Pars prior. Propaedeuticam Zoologiae atque specialem Heterozoorum expositionem continens. Printed by Joseph Zawadzki, Vilnae. Volume 1: 314 pp., pls 1-5. [18 January]., available online at https://www.biodiversitylibrary.org/page/35882071
page(s): 283 [details]
basis of record Bogutskaya, N.G.; Kijashko, P.V.; Naseka, A.M.; Orlova, M.I. (2013). Opredelitel' ryb i bespozvonochnykh Kaspiyskogo morya. T. 1. Ryby i mollyuski [ldentification keys for fish and invertebrates. Volume 1. Fish and molluscs]. КМК Scientific Press Ltd., St. Petersburg/Moscow. 543 pp., 56 pl. [In Russian]. [details] Available for editors
[request]
status source Vinarski, M. V.; Kantor, Yu. I. (2016). Analytical catalogue of fresh and brackish water molluscs of Russia and adjacent countries. A. N. Severtsov Institute of Ecology and Evolution of Russian Academy of Science, Moscow, 544 pp. [details] Available for editors [request]
page(s): 283 [details]
basis of record Bogutskaya, N.G.; Kijashko, P.V.; Naseka, A.M.; Orlova, M.I. (2013). Opredelitel' ryb i bespozvonochnykh Kaspiyskogo morya. T. 1. Ryby i mollyuski [ldentification keys for fish and invertebrates. Volume 1. Fish and molluscs]. КМК Scientific Press Ltd., St. Petersburg/Moscow. 543 pp., 56 pl. [In Russian]. [details] Available for editors
[request]status source Vinarski, M. V.; Kantor, Yu. I. (2016). Analytical catalogue of fresh and brackish water molluscs of Russia and adjacent countries. A. N. Severtsov Institute of Ecology and Evolution of Russian Academy of Science, Moscow, 544 pp. [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Status ‘In our opinion, it is somewhat doubtful that a representative of the endemic Caspian genus Didacna might have lived in an area that constituts nowadays a part of Western Ukraine. In our opinion, Cardium protractum Eichwald, 1829 and Adacna protracta Eichwald, 1841 may well not to be conspecific’ (Vinarski & Kantor, 2016). [details]Type locality ‘Hab. calcem Poczaiowensem’ [details]
Type material unknown [details]
