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Traits taxon details

Isognomon [Lightfoot], 1786

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

  1. Biota
  2. Animalia (Kingdom)
  3. Mollusca (Phylum)
  4. Bivalvia (Class)
  5. Autobranchia (Subclass)
  6. Pteriomorphia (Infraclass)
  7. Ostreida (Order)
  8. Pterioidea (Superfamily)
  9. Isognomonidae (Family)
  10. Isognomon (Genus)
accepted
Genus
Isognomon (Anisoperna) Iredale, 1939 · unaccepted > junior subjective synonym
Isognomon (Hippochaeta) Philippi, 1844 † · alternative representation
Isognomon (Isognomon) [Lightfoot], 1786 · alternative representation
Isognomon (Parviperna) Iredale, 1939 · alternative representation
Pedalion Dillwyn, 1817 · unaccepted > junior subjective synonym
Perna Bruguière, 1789 · unaccepted > junior subjective synonym

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Children Display

  1. Species Isognomon alatus (Gmelin, 1791)
  2. Species Isognomon albisoror (Iredale, 1939)
  3. Species Isognomon australicus (Reeve, 1858)
  4. Species Isognomon bazini (Deshayes, 1858) †
  5. Species Isognomon bicolor (C. B. Adams, 1845)
  6. Species Isognomon californicus (Conrad, 1837)
  7. Species Isognomon coolyenensis (Feldtmann, 1963) †
  8. Species Isognomon dunkeri (P. Fischer, 1881)
  9. Species Isognomon ephippium (Linnaeus, 1758)
  10. Species Isognomon fortissimus (L. C. King, 1933) †
  11. Species Isognomon gaudichaudi (A. d'Orbigny, 1843) †
  12. Species Isognomon incavatus (Cossmann, 1905) †
  13. Species Isognomon incisus (Conrad, 1837)
  14. Species Isognomon isognomum (Linnaeus, 1758)
  15. Species Isognomon janus P. P. Carpenter, 1857
  16. Species Isognomon kecia (H. I. Tucker & D. Wilson, 1933) †
  17. Species Isognomon lamarckii (Deshayes, 1830) †
  18. Species Isognomon legumen (Gmelin, 1791)
  19. Species Isognomon lusitanicus (Sharpe, 1850) †
  20. Species Isognomon maxillatus (Lamarck, 1801) †
  21. Species Isognomon noakesi Skwarko, 1966 †
  22. Species Isognomon nucleus (Lamarck, 1819)
  23. Species Isognomon percrassa (Tate, 1899) †
  24. Species Isognomon perna (Linnaeus, 1767)
  25. Species Isognomon quadrisulcatus (Ihering, 1897) †
  26. Species Isognomon radiatus (Anton, 1838)
  27. Species Isognomon radiatus (M. Hörnes, 1867) † (accepted > unreplaced junior homonym)
  28. Species Isognomon recognitus (Mabille, 1895)
  29. Species Isognomon rekohuensis J. S. Crampton, 1988 †
  30. Species Isognomon ricordeanus (A. d'Orbigny, 1846) †
  31. Species Isognomon rollei (M. Hörnes, 1867) †
  32. Species Isognomon rugosus (Münster, 1835) †
  33. Species Isognomon sargenti Petuch & Drolshagen, 2010 †
  34. Species Isognomon staadti (Cossmann, 1907) †
  35. Species Isognomon torta (Say, 1820) †
  36. Species Isognomon varnensis (Toula, 1892) †
  37. Species Isognomon vulselloides Macsotay & Campos, 2001
  38. Species Isognomon wellmani J. S. Crampton, 1988 †
  39. Species Isognomon gigantea (C. Moore, 1870) † (uncertain > nomen dubium)
  40. Species Isognomon lilingensis R.-J. Zhang, 1977 † (uncertain > unassessed)
  41. Species Isognomon promytiloides Arkell, 1933 † (uncertain > unassessed)
  42. Subgenus Isognomon (Anisoperna) Iredale, 1939 accepted as Isognomon [Lightfoot], 1786 (unaccepted > junior subjective synonym)
  43. Subgenus Isognomon (Hippochaeta) Philippi, 1844 † represented as Isognomon [Lightfoot], 1786
    1. Species Isognomon (Hippochaeta) inaequistriata (Cossmann, 1908) †
    2. Species Isognomon (Hippochaeta) maxillatus (Lamarck, 1801) † represented as Isognomon maxillatus (Lamarck, 1801) †
    3. Species Isognomon (Hippochaeta) sargenti Petuch & Drolshagen, 2010 † represented as Isognomon sargenti Petuch & Drolshagen, 2010 †
    4. Species Isognomon (Hippochaeta) torta (Say, 1820) † represented as Isognomon torta (Say, 1820) †
  44. Subgenus Isognomon (Isognomon) [Lightfoot], 1786 represented as Isognomon [Lightfoot], 1786
    1. Species Isognomon (Isognomon) radiatus (M. Hörnes, 1867) represented as Isognomon radiatus (M. Hörnes, 1867) †
    2. Species Isognomon (Isognomon) rekohuensis J. S. Crampton, 1988 represented as Isognomon rekohuensis J. S. Crampton, 1988 †
    3. Species Isognomon (Isognomon) rollei (M. Hörnes, 1867) † represented as Isognomon rollei (M. Hörnes, 1867) †
    4. Species Isognomon (Isognomon) varnensis (Toula, 1892) † represented as Isognomon varnensis (Toula, 1892) †
    5. Species Isognomon (Isognomon) wellmani J. S. Crampton, 1988 represented as Isognomon wellmani J. S. Crampton, 1988 †
  45. Subgenus Isognomon (Parviperna) Iredale, 1939 represented as Isognomon [Lightfoot], 1786
    1. Species Isognomon (Parviperna) nucleus (Lamarck, 1819) represented as Isognomon nucleus (Lamarck, 1819)
marine, brackish, fresh, terrestrial
masculine
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. <em>[book].</em> London. viii + 194 pp., available online at https://biodiversitylibrary.org/page/43259464
page(s): 9, 41, 52, 115, 137 [details] 
MolluscaBase eds. (2026). MolluscaBase. Isognomon [Lightfoot], 1786. Accessed through: Marine Species Traits editorial board (2026) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=138091 on 2026-04-15
Marine Species Traits editorial board (2026). Marine Species Traits. Isognomon [Lightfoot], 1786. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=138091 on 2026-04-15
Date
action
by
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

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. <em>[book].</em> London. viii + 194 pp., available online at https://biodiversitylibrary.org/page/43259464
page(s): 9, 41, 52, 115, 137 [details] 

original description (of Isognomon (Anisoperna) Iredale, 1939) Iredale, T. (1939). Mollusca. Part I. <em>Scientific Reports of the Great Barrier Reef Expedition 1928-1929.</em> 5(6): 209-425, pls 1-7., available online at https://biodiversitylibrary.org/page/49513635
page(s): 322 [details] 

original description (of Perna Bruguière, 1789) Bruguière, J.G. (1789-1792). Encyclopédie méthodique ou par ordre de matières, par une Societe de gens de Lettres, de Savans et D'Artistes. [Methodical encyclopedia or by order of subjects, by a Society of Men of Letters, Scholars and Artists.]. <em>Histoire naturelle des Vers, Paris: Pancoucke.</em> volume 1: i-xviii, 1-344 [Livraison 32, June 1789]; 345-757 [Livraison 48, 13 Feb. 1792] [Dates after Evenhuis, 2003, Zootaxa, 166: 37; Zootaxa, 207, some modified by Evenhuis & Petit 2003 Zootaxa 207:1-4]., available online at https://biodiversitylibrary.org/page/8892006
page(s): 1: xiii [details] 

original description (of Pedalion Dillwyn, 1817) Dillwyn, L. W. (1817). A descriptive catalogue of Recent shells, arranged according to the Linnean method; with particular attention to the synonymy. John and Arthur Arch, London, Vol. 1: 1-580 pp.; Vol. 2: 581-1092 pp. + index [29 pp.]., available online at https://www.biodiversitylibrary.org/page/11670899
page(s): 282 [details] 

context source (PeRMS) Paredes, C.; Cardoso, F.; Santamaría, J.; Esplana, J.; Llaja, L. (2016). Lista anotada de los bivalvos marinos del Perú. <em>Revista peruana de biología.</em> 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. <em>Patrimoines Naturels.</em> 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. <em>Bulletin of the Bernice P. Bishop Museum.</em> 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] 
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
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To European Nucleotide Archive, ENA (Isognomon) 
To European Nucleotide Archive, ENA (Perna) (from synonym Perna Bruguière, 1789)
To Genbank 
To NMNH Extant Collection (IZ MOL 854167 Interior) 
To NMNH Extant Collection (IZ MOL 854167 Interior) 
To ITIS
Unreviewed
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