MolluscaBase taxon details
Eoschizodus chemungensis (Conrad, 1842) †
1805645 (urn:lsid:marinespecies.org:taxname:1805645)
accepted
Species
Cardiomorpha rotunda J. Hall, 1883 † · unaccepted > junior subjective synonym
Cytherodon (Schizodus) gregarius J. Hall, 1883 † · unaccepted > junior subjective synonym (tentative junior subjective synonym)
Cytherodon (Schizodus) quadrangularis J. Hall, 1883 † · unaccepted > junior subjective synonym
Myophoria trigona Whidborne, 1896 † · unaccepted > junior subjective synonym
Nuculites chemungensis Conrad, 1842 † · unaccepted > superseded combination
Schizodus chemungensis (Conrad, 1842) † · unaccepted > superseded combination
Schizodus ellipticus J. Hall & Whitfield, 1870 † · unaccepted > junior subjective synonym (tentative junior subjective synonym)
marine, fresh, terrestrial
fossil only
(of Nuculites chemungensis Conrad, 1842 †) Conrad, T. A. (1842). Observations on the Silurian and Devonian systems of the United States. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 8: 228–280., available online at https://www.biodiversitylibrary.org/page/24623226
page(s): 247-248, pl. 13, fig. 13 [details]
page(s): 247-248, pl. 13, fig. 13 [details]
Type locality contained in New York
type locality contained in New York [from synonym] [view taxon] [details]
MolluscaBase eds. (2025). MolluscaBase. Eoschizodus chemungensis (Conrad, 1842) †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1805645 on 2025-09-11
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original description
(of Nuculites chemungensis Conrad, 1842 †) Conrad, T. A. (1842). Observations on the Silurian and Devonian systems of the United States. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 8: 228–280., available online at https://www.biodiversitylibrary.org/page/24623226
page(s): 247-248, pl. 13, fig. 13 [details]
original description (of Cytherodon (Schizodus) quadrangularis J. Hall, 1883 †) Hall, J. (1883-1884). Lamellibranchiata I. Plates and Explanations, containing descriptions and figures of the Monomyaria of the upper Helderberg, Hamilton and Chemung groups. <em>Natural History of New York, Paleontology.</em> 5(1): i-xviii + 1-268, 79 pls. New York Geological Survey, Albany., available online at https://www.biodiversitylibrary.org/page/54942549
page(s): 18, pl. 75, figs 31-36 [details]
original description (of Cardiomorpha rotunda J. Hall, 1883 †) Hall, J. (1883-1884). Lamellibranchiata I. Plates and Explanations, containing descriptions and figures of the Monomyaria of the upper Helderberg, Hamilton and Chemung groups. <em>Natural History of New York, Paleontology.</em> 5(1): i-xviii + 1-268, 79 pls. New York Geological Survey, Albany., available online at https://www.biodiversitylibrary.org/page/54942549
page(s): 16, pl. 63, figs 17-20 [details]
original description (of Schizodus ellipticus J. Hall & Whitfield, 1870 †) Hall, J.; Whitfield, R. P. (1869-1870). Preliminary notice of the lamellibranchiate shells of the upper Helderberg, Hamilton and Chemung groups, with others from the Waverly sandstones. Part 2. New York State Museum, Albany, 90 pp. [p. 1-80 (1869), p. 81-97 (1870)].
page(s): 96 [details]
original description (of Cytherodon (Schizodus) gregarius J. Hall, 1883 †) Hall, J. (1883-1884). Lamellibranchiata I. Plates and Explanations, containing descriptions and figures of the Monomyaria of the upper Helderberg, Hamilton and Chemung groups. <em>Natural History of New York, Paleontology.</em> 5(1): i-xviii + 1-268, 79 pls. New York Geological Survey, Albany., available online at https://www.biodiversitylibrary.org/page/54942549
page(s): 18, pl. 75, figs 16-18 [details]
original description (of Myophoria trigona Whidborne, 1896 †) Whidborne, G. F. (1896-1907). A Monograph of the Devonian Fauna of the South of England. Vol. III. The Fauna of the Marwood and Pilton Beds of North Devon and Somerset. <em>Monograph of the Palaeontographical Society London.</em> 50(238): pp. 1-112, pls. 1-16 [Oct. 1896]; 51(242): pp. 113-178, pls. 17-21 [Dec. 1897]; 52(247): pp. 179-236, pls. 22-38 [Dec. 1898]; 61(298): pp. 237-247, index, cover [Dec. 1907].
page(s): 96, pl. 10, figs 9-12 [details]
basis of record McAlester, A. L. (1962). Upper Devonian Pelecypods of the New York Chemung Stage. <em>Bulletin of the Peabody Museum of Natural History.</em> 16: 1-88, 32 pls.
page(s): 66-68, pl. 28, figs 1-12 [details] Available for editors
[request]
additional source Amler, M. R. W. (2010). Late Devonian (Frasnian) bivalves from the Nocedo Formation – the results of Wilhelm Kegel's 1927 field trip to northern Spain. <em>Scripta Geologica.</em> Special Issue 7: 13-34, 9 figs. Leiden.
page(s): 23 [details] Available for editors [request]
page(s): 247-248, pl. 13, fig. 13 [details]
original description (of Cytherodon (Schizodus) quadrangularis J. Hall, 1883 †) Hall, J. (1883-1884). Lamellibranchiata I. Plates and Explanations, containing descriptions and figures of the Monomyaria of the upper Helderberg, Hamilton and Chemung groups. <em>Natural History of New York, Paleontology.</em> 5(1): i-xviii + 1-268, 79 pls. New York Geological Survey, Albany., available online at https://www.biodiversitylibrary.org/page/54942549
page(s): 18, pl. 75, figs 31-36 [details]
original description (of Cardiomorpha rotunda J. Hall, 1883 †) Hall, J. (1883-1884). Lamellibranchiata I. Plates and Explanations, containing descriptions and figures of the Monomyaria of the upper Helderberg, Hamilton and Chemung groups. <em>Natural History of New York, Paleontology.</em> 5(1): i-xviii + 1-268, 79 pls. New York Geological Survey, Albany., available online at https://www.biodiversitylibrary.org/page/54942549
page(s): 16, pl. 63, figs 17-20 [details]
original description (of Schizodus ellipticus J. Hall & Whitfield, 1870 †) Hall, J.; Whitfield, R. P. (1869-1870). Preliminary notice of the lamellibranchiate shells of the upper Helderberg, Hamilton and Chemung groups, with others from the Waverly sandstones. Part 2. New York State Museum, Albany, 90 pp. [p. 1-80 (1869), p. 81-97 (1870)].
page(s): 96 [details]
original description (of Cytherodon (Schizodus) gregarius J. Hall, 1883 †) Hall, J. (1883-1884). Lamellibranchiata I. Plates and Explanations, containing descriptions and figures of the Monomyaria of the upper Helderberg, Hamilton and Chemung groups. <em>Natural History of New York, Paleontology.</em> 5(1): i-xviii + 1-268, 79 pls. New York Geological Survey, Albany., available online at https://www.biodiversitylibrary.org/page/54942549
page(s): 18, pl. 75, figs 16-18 [details]
original description (of Myophoria trigona Whidborne, 1896 †) Whidborne, G. F. (1896-1907). A Monograph of the Devonian Fauna of the South of England. Vol. III. The Fauna of the Marwood and Pilton Beds of North Devon and Somerset. <em>Monograph of the Palaeontographical Society London.</em> 50(238): pp. 1-112, pls. 1-16 [Oct. 1896]; 51(242): pp. 113-178, pls. 17-21 [Dec. 1897]; 52(247): pp. 179-236, pls. 22-38 [Dec. 1898]; 61(298): pp. 237-247, index, cover [Dec. 1907].
page(s): 96, pl. 10, figs 9-12 [details]
basis of record McAlester, A. L. (1962). Upper Devonian Pelecypods of the New York Chemung Stage. <em>Bulletin of the Peabody Museum of Natural History.</em> 16: 1-88, 32 pls.
page(s): 66-68, pl. 28, figs 1-12 [details] Available for editors
[request]additional source Amler, M. R. W. (2010). Late Devonian (Frasnian) bivalves from the Nocedo Formation – the results of Wilhelm Kegel's 1927 field trip to northern Spain. <em>Scripta Geologica.</em> Special Issue 7: 13-34, 9 figs. Leiden.
page(s): 23 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
