World Register of Introduced Marine Species (WRiMS)

WRiMS taxon details

Isognomon [Lightfoot], 1786

AphiaID

138091 (urn:lsid:marinespecies.org:taxname:138091)

Classification

Status

accepted

Rank

Genus

Type taxon of

Isognomonidae Woodring, 1925 (1828)

Parent

Isognomonidae Woodring, 1925 (1828)

Original name

Isognomon [Lightfoot], 1786

Synonymised names

Melina Philipsson, 1788 · unaccepted > junior subjective synonym

Direct children (6)

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Species Isognomon australicus (Reeve, 1858)
Species Isognomon bicolor (C. B. Adams, 1845)
Species Isognomon ephippium (Linnaeus, 1758)
Species Isognomon legumen (Gmelin, 1791)
Species Isognomon radiatus (Anton, 1838)
Species Isognomon australica (Reeve, 1858) accepted as Isognomon australicus (Reeve, 1858) (wrong gender agreement of specific epithet)

Environment

marine, brackish, ~~fresh~~, ~~terrestrial~~

Grammatical gender

masculine

Original description

Lightfoot, J. (1786). A Catalogue of the Portland Museum, lately the property of the Duchess Dowager of Portland, deceased; which will be sold by auction by Mr. Skinner & Co. [book]. London. viii + 194 pp., available online at https://biodiversitylibrary.org/page/43259464
page(s): 9, 41, 52, 115, 137 [details]

Taxonomic citation

MolluscaBase eds. (2026). MolluscaBase. Isognomon [Lightfoot], 1786. Accessed through: Costello, M. J.; Ahyong, S.; Bieler, R.; Boudouresque, C.; Desiderato, A.; Downey, R.; Galil, B. S.; Gollasch, S.; Hutchings, P.; Kamburska, L.; Katsanevakis, S.; Kupriyanova, E.; Lejeusne, C.; Ma, K. C. K.; Marchini, A.; Occhipinti, A.; Pagad, S.; Pino, L.; Poore, G. C. B.; Rewicz, T.; Rius, M.; Robinson, T. B.; Sobczyk, R.; Stepien, A.; Turon, X.; Valls Domedel, G.; Verleye, T.; Vieira, L. M.; Willan, R. C.; Zhan, A. (2026) World Register of Introduced Marine Species (WRiMS) at: https://www.marinespecies.org/introduced/aphia.php?p=taxdetails&id=138091 on 2026-04-17

Thematic species database citation

Costello, M. J.; Ahyong, S.; Bieler, R.; Boudouresque, C.; Desiderato, A.; Downey, R.; Galil, B. S.; Gollasch, S.; Hutchings, P.; Kamburska, L.; Katsanevakis, S.; Kupriyanova, E.; Lejeusne, C.; Ma, K. C. K.; Marchini, A.; Occhipinti, A.; Pagad, S.; Pino, L.; Poore, G. C. B.; Rewicz, T.; Rius, M.; Robinson, T. B.; Sobczyk, R.; Stępień, A.; Turon, X.; Valls Domedel, G.; Verleye, T.; Vieira, L. M.; Willan, R. C.; Zhan, A. (2026). World Register of Introduced Marine Species (WRiMS). Isognomon [Lightfoot], 1786. Accessed at: https://marinespecies.org/introduced/aphia.php?p=taxdetails&id=138091 on 2026-04-17

Taxonomic edit history

Date

action

2004-12-21 15:54:05Z

created

Gofas, Serge

2006-09-13 06:47:38Z

changed

Martinez, Olga

2010-09-21 11:15:08Z

changed

Tran, Bastien

2011-03-12 15:24:03Z

changed

Bouchet, Philippe

2012-07-13 21:57:18Z

changed

Bouchet, Philippe

2019-10-24 13:31:58Z

changed

Bieler, Rüdiger

2020-03-25 19:27:59Z

changed

Marshall, Bruce

2020-11-28 08:47:07Z

changed

Bouchet, Philippe

[taxonomic tree]

[clear cache]

original description Lightfoot, J. (1786). A Catalogue of the Portland Museum, lately the property of the Duchess Dowager of Portland, deceased; which will be sold by auction by Mr. Skinner & Co. [book]. London. viii + 194 pp., available online at https://biodiversitylibrary.org/page/43259464
page(s): 9, 41, 52, 115, 137 [details]

original description (of Melina Philipsson, 1788) Retzius A.J. (1788). Dissertatio historico-naturalis sistens nova testaceorum genera. Quam præside D. M. Andr. J. Retzio (...) ad publicum examen defert Laurentius Münter Philipsson. 4+23 pp. Lund. , available online at http://gdz.sub.uni-goettingen.de/dms/load/img/?PID=PPN581964985, http://LOG_0001&physid=PHYS_0004
page(s): 22 [details]

context source (PeRMS) Paredes, C.; Cardoso, F.; Santamaría, J.; Esplana, J.; Llaja, L. (2016). Lista anotada de los bivalvos marinos del Perú. Revista peruana de biología. 23(2), 127-150., available online at http://www.scielo.org.pe/scielo.php?script=sci_arttext&pid=S1727-99332016000200006 [details]

basis of record Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180-213., available online at http://www.vliz.be/imisdocs/publications/ocrd/254404.pdf [details]

additional source Dall, W. H.; Bartsch, P. & Rehder, H. A. (1938). A manual of the Recent and fossil marine pelecypod mollusks of the Hawaiian Islands. Bulletin of the Bernice P. Bishop Museum. 153: 1-233, 58 pls. [25 July]., available online at http://babel.hathitrust.org/cgi/pt?id=mdp.39015023271177
note: first reviser's choice of Isognomon over Isognoma [details]

additional source Nevesskaja, L.A.; Goncharova, I.A.; Paramonova, N.P.; Popov, S.V.; Babak, E.V.; Bagdasarjan, K.G.; Voronina, A.A. (1993). Opredelitel' miotsenovykh dvustvorchatykh mollyuskov yugo-zapadnoy Yevrazii. Trudy Paleontologicheskogo Instituta, 247: 1-412, available online at http://www.geokniga.org/books/14254
page(s): 66 [details]

redescription Coan, E. V.; Valentich-Scott, P. (2012). Bivalve seashells of tropical West America. Marine bivalve mollusks from Baja California to northern Peru. 2 vols, 1258 pp. [details]