MolluscaBase taxon details
Megadesmus J. De C. Sowerby, 1839 †
1737920 (urn:lsid:marinespecies.org:taxname:1737920)
accepted
Genus
Megadesmus globosus J. De C. Sowerby, 1839 † (type by subsequent designation)
Cleobis Dana, 1847 † · unaccepted > junior subjective synonym
Megadesmus (Cleobis) Dana, 1847 † · unaccepted > junior subjective synonym
Pachydomus J. Morris, 1845 † · unaccepted > junior objective synonym (unnecessary replacement name)
- Species Megadesmus globosus J. De C. Sowerby, 1839 †
- Species Megadesmus antiquatus J. De C. Sowerby, 1839 † (uncertain > unassessed)
- Species Megadesmus cuneatus J. De C. Sowerby, 1839 † (uncertain > unassessed)
- Species Megadesmus laevis J. De C. Sowerby, 1839 † (uncertain > unassessed)
- Subgenus Megadesmus (Cleobis) Dana, 1847 † accepted as Megadesmus J. De C. Sowerby, 1839 † (unaccepted > junior subjective synonym)
marine, brackish, fresh, terrestrial
fossil only
masculine
Mitchell, T. L. (1839). Three expeditions into the interior of eastern Australia, with descriptions of recently explored region of Australia felix, and of the present colony of New South Wales. Second edition, carefully revised. Vol. I. T. & W. Boone, London, 351 pp., available online at https://www.biodiversitylibrary.org/page/24025450
page(s): 14-15 (footnote) [details]
page(s): 14-15 (footnote) [details]
MolluscaBase eds. (2026). MolluscaBase. Megadesmus J. De C. Sowerby, 1839 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1737920 on 2026-07-12
Date
action
by
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
Mitchell, T. L. (1839). Three expeditions into the interior of eastern Australia, with descriptions of recently explored region of Australia felix, and of the present colony of New South Wales. Second edition, carefully revised. Vol. I. T. & W. Boone, London, 351 pp., available online at https://www.biodiversitylibrary.org/page/24025450
page(s): 14-15 (footnote) [details]
original description (of Pachydomus J. Morris, 1845 †) Morris, J. (1845). Descriptions of fossils. In: Physical description of New South Wales and Van Dieman's Land. de Strzelecki, P.E. (ed.). Longman, Brown, Green, and Longmans, London, pp. 270–291. , available online at https://polona.pl/preview/aab7dfda-f528-40ad-8ffc-0c5780234010
page(s): 271 [details]
original description (of Cleobis Dana, 1847 †) Dana, J. D. (1847). Appendix. Descriptions of Fossil Shells of the Collections of the Exploring Expedition under the command of Charles Wilkes, U.S.N., obtained in Australia, from the lower layers of the coal formation in Illawarra, and from a deposit probably of nearly the same age at Harper's Hill, valley of the Hunter. <em>The American Journal of Science and Arts, Second Series.</em> 4(10): 151-160., available online at https://www.biodiversitylibrary.org/page/27966396
page(s): 154 [details]
page(s): 14-15 (footnote) [details]
original description (of Pachydomus J. Morris, 1845 †) Morris, J. (1845). Descriptions of fossils. In: Physical description of New South Wales and Van Dieman's Land. de Strzelecki, P.E. (ed.). Longman, Brown, Green, and Longmans, London, pp. 270–291. , available online at https://polona.pl/preview/aab7dfda-f528-40ad-8ffc-0c5780234010
page(s): 271 [details]
original description (of Cleobis Dana, 1847 †) Dana, J. D. (1847). Appendix. Descriptions of Fossil Shells of the Collections of the Exploring Expedition under the command of Charles Wilkes, U.S.N., obtained in Australia, from the lower layers of the coal formation in Illawarra, and from a deposit probably of nearly the same age at Harper's Hill, valley of the Hunter. <em>The American Journal of Science and Arts, Second Series.</em> 4(10): 151-160., available online at https://www.biodiversitylibrary.org/page/27966396
page(s): 154 [details]
