MolluscaBase name details
Cytherodon J. Hall & Whitfield, 1873 †
1798904 (urn:lsid:marinespecies.org:taxname:1798904)
unaccepted > junior subjective synonym
Genus
Nuculites appressa Conrad, 1842 † accepted as Schizodus appressus (Conrad, 1842) † (type by subsequent designation)
Schizodus (Cytherodon) J. Hall & Whitfield, 1873 † · unaccepted > superseded rank
- Subgenus Cytherodon (Schizodus) W. King, 1845 † accepted as Schizodus W. King, 1845 † (unaccepted > superseded rank)
- Species Cytherodon (Schizodus) cuneus J. Hall, 1883 † accepted as Schizodus cuneus J. Hall, 1883 † (unaccepted > superseded combination)
- Species Cytherodon (Schizodus) gregarius J. Hall, 1883 † accepted as Eoschizodus chemungensis (Conrad, 1842) † (unaccepted > junior subjective synonym, tentative junior subjective synonym)
- Species Cytherodon (Schizodus) quadrangularis J. Hall, 1883 † accepted as Eoschizodus chemungensis (Conrad, 1842) † (unaccepted > junior subjective synonym)
- Species Cytherodon appressus (Conrad, 1842) † accepted as Schizodus appressus (Conrad, 1842) † (unaccepted > superseded combination)
- Species Cytherodon tumidus J. Hall & Whitfield, 1873 † (uncertain > unassessed)
marine, brackish, fresh, terrestrial
fossil only
masculine
Hall, J. & Whitfield, R. P. (1873). Descriptions of new species of fossils, from the Devonian rocks of Iowa. <em>Annual Report of the Regents of the University of the State of New York, on the condition of the State Cabinet of Natural History, and the historical and antiquarian collection annexed thereto.</em> 23, 223–241. [for 1870]., available online at https://www.biodiversitylibrary.org/page/20540789
page(s): pl. 14, figs 19-21 [details]
page(s): pl. 14, figs 19-21 [details]
Nomenclature Considered a dubious taxon by Cox (1969), Treatise on Invertebrate Paleontology, N472. Cox declared Nuculites appressus...
Nomenclature Considered a dubious taxon by Cox (1969), Treatise on Invertebrate Paleontology, N472. Cox declared Nuculites appressus Conrad as the type species by monotypy; in fact, a second species, Cytherodon tumidus, was also included by Hall & Whitfield. [details]
MolluscaBase eds. (2025). MolluscaBase. Cytherodon J. Hall & Whitfield, 1873 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1798904 on 2025-09-12
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original description
Hall, J. & Whitfield, R. P. (1873). Descriptions of new species of fossils, from the Devonian rocks of Iowa. <em>Annual Report of the Regents of the University of the State of New York, on the condition of the State Cabinet of Natural History, and the historical and antiquarian collection annexed thereto.</em> 23, 223–241. [for 1870]., available online at https://www.biodiversitylibrary.org/page/20540789
page(s): pl. 14, figs 19-21 [details]
page(s): pl. 14, figs 19-21 [details]
From editor or global species database
Nomenclature Considered a dubious taxon by Cox (1969), Treatise on Invertebrate Paleontology, N472. Cox declared Nuculites appressus Conrad as the type species by monotypy; in fact, a second species, Cytherodon tumidus, was also included by Hall & Whitfield. [details]
