MolluscaBase name details
Cyclendoceras annulatum (J. Hall, 1847) †
1896220 (urn:lsid:marinespecies.org:taxname:1896220)
unaccepted > superseded combination
Species
marine, brackish, fresh, terrestrial
fossil only
(of Endoceras annulatum J. Hall, 1847 †) Hall J. (1847). Palaeontology of New York, vol. 1, Containing descriptions of the organic remains of the lower division of the New York system, (equivalent of the Lower Silurian rocks of Europe). <em>Albany: C. van Benthuysen.</em> xxiii+1-338., available online at https://biodiversitylibrary.org/page/55227010
page(s): 207, pl. 44, fig. 1a, b [details]
page(s): 207, pl. 44, fig. 1a, b [details]
MolluscaBase eds. (2026). MolluscaBase. Cyclendoceras annulatum (J. Hall, 1847) †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1896220 on 2026-09-07
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original description
(of Endoceras annulatum J. Hall, 1847 †) Hall J. (1847). Palaeontology of New York, vol. 1, Containing descriptions of the organic remains of the lower division of the New York system, (equivalent of the Lower Silurian rocks of Europe). <em>Albany: C. van Benthuysen.</em> xxiii+1-338., available online at https://biodiversitylibrary.org/page/55227010
page(s): 207, pl. 44, fig. 1a, b [details]
basis of record Grabau, A. W.; Shimer, H. W. (1910). North American index fossils, invertebrates. <em>A. G. Seiler & Company, New York.</em> 2: 909 pp., available online at https://www.biodiversitylibrary.org/page/36182786
page(s): 43 [details]
page(s): 207, pl. 44, fig. 1a, b [details]
basis of record Grabau, A. W.; Shimer, H. W. (1910). North American index fossils, invertebrates. <em>A. G. Seiler & Company, New York.</em> 2: 909 pp., available online at https://www.biodiversitylibrary.org/page/36182786
page(s): 43 [details]
