MolluscaBase name details
Isocardia markoei Conrad, 1842 †
1669916 (urn:lsid:marinespecies.org:taxname:1669916)
uncertain > unassessed
Species
Isocardia Lamarck, 1799 accepted as Glossus Poli, 1795
marine, brackish, fresh, terrestrial
fossil only
Conrad, T. A. (1842). Observations on a portion of the Atlantic Tertiary region, with a description of new species of organic remains. <em>Bulletin of the Proceedings of the National Institute for the Promotion of Science.</em> 2: 171–194, pls. 1-2., available online at https://www.biodiversitylibrary.org/page/57828834
page(s): 193, pl. 2, fig. 1 [details]
page(s): 193, pl. 2, fig. 1 [details]
Type locality contained in USA, Maryland
, Note Calvert Cliffs, Captain Hance's farm
Type locality Calvert Cliffs, Captain Hance's farm [details]
MolluscaBase eds. (2025). MolluscaBase. Isocardia markoei Conrad, 1842 †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1669916 on 2025-09-12
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original description
Conrad, T. A. (1842). Observations on a portion of the Atlantic Tertiary region, with a description of new species of organic remains. <em>Bulletin of the Proceedings of the National Institute for the Promotion of Science.</em> 2: 171–194, pls. 1-2., available online at https://www.biodiversitylibrary.org/page/57828834
page(s): 193, pl. 2, fig. 1 [details]
additional source Abbott, R. T. (1955). The Titian R. Peale Shell Collection. <em>The Nautilus.</em> 68(4): 123-127, pl. 4, figs. 1-6., available online at https://www.biodiversitylibrary.org/page/8516606
page(s): 125 [details]
page(s): 193, pl. 2, fig. 1 [details]
additional source Abbott, R. T. (1955). The Titian R. Peale Shell Collection. <em>The Nautilus.</em> 68(4): 123-127, pl. 4, figs. 1-6., available online at https://www.biodiversitylibrary.org/page/8516606
page(s): 125 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Type locality Calvert Cliffs, Captain Hance's farm [details]
