Trimusculus

Trimusculus is a genus of medium-sized air-breathing sea snails or false limpets, marine pulmonate gastropod molluscs in the family Trimusculidae.

Trimusculus
Dorsal view of a shell of Trimusculus reticulatus (Sowerby, 1835)
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
Superfamily:
Trimusculoidea

J. Q. Burch, 1945 (1840)
Family:
Trimusculidae

J. Q. Burch, 1945 (1840)
Genus:
Trimusculus

F. C. Schmidt, 1818[1]
Genera

See text

Synonyms[2]

Synonym of Trimusculidae:

  • Gadiniidae Gray, 1840

Synonyms of Trimusculus:

Apertural view of shell of Trimusculus reticulatus
Profile view of shell of Trimusculus reticulatus

Trimusculus is the only genus in the family Trimusculidae.[5] Trimusculidae, the button snails, is the only family in the superfamily Trimusculoidea,[6] a superfamily of false limpets. These are marine pulmonate gastropod mollusks in the clade Eupulmonata.[6]

Trimusculids are not very closely related to the siphonariids, another family of marine air-breathing false-limpets. The trimusculids are in the clade Eupulmonata, and are quite closely related to air-breathing land snails.

Description

Trimusculids are sometimes known as "button shells" or "button snails" because, especially in the eastern Pacific species Trimusculus reticulatus, the shells are small, white, almost perfectly circular in outline, only moderately elevated, and thus the shells are somewhat reminiscent of traditional white shirt buttons.

Species

Species within the genus Trimusculus include:

  • Trimusculus afer (Gmelin, 1791)[7]
  • Trimusculus carinatus (Dall, 1870)[8]
  • Trimusculus conicus (Angas, 1867)[9] - synonym: Gadinalea conica (Angas, 1867)
  • Trimusculus costatus (Krauss, 1848)[10]
  • Trimusculus escondidus Poppe & Groh, 2009[11]
  • Trimusculus goesi (Hubendick, 1946)[12]
  • Trimusculus kurodai Habe, 1958[13]
  • Trimusculus mammillaris (Linnaeus, 1758)[14]
  • Trimusculus mauritianus (Martens, 1880)[15]
  • Trimusculus niveus (Hutton, 1883)[16] - synonym: Gadinalea nivea Hutton, 1883
  • Trimusculus odhneri (Hubendick, 1946)[17]
  • Trimusculus peruvianus (Sowerby II, 1835)[18]
  • Trimusculus reticulatus (Sowerby II, 1835)[19]
  • Trimusculus stellatus (Sowerby II, 1835)[20]
  • Trimusculus yamamotoi Habe, 1958[21]

References
  1. Schmidt F. C. (1818). Vers. Einth. Conch. [teste Marschall 1873, Nomen. zool., 143]; Moeller (1832). Isis (Oken), 1832: 132.
  2. WoRMS (2010). Trimusculus F.C. Schmidt, 1818. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138565 on 2011-01-09
  3. Iredale T. (1940). Aust. Zool. 9: 437.
  4. Gray (1824). Phil. Mag. 63(312): 275.
  5. (in Czech) de Bruyne R. H. (2004). Encyklopedie ulit a lastur. Rebo Productions, 336 pp., ISBN 80-7234-288-6, page 227.
  6. Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel & Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia. Hackenheim, Germany: ConchBooks. 47 (1–2): 1–397. ISBN 3-925919-72-4. ISSN 0076-2997.
  7. Gofas, S. (2010). Trimusculus afer (Gmelin, 1791). In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=141705 on 2011-01-09
  8. Bouchet, P. (2010). Trimusculus carinatus (Dall, 1870). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=413975 on 2011-01-09
  9. Bouchet, P. (2010). Trimusculus conicus (Angas, 1867). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=414594 on 2011-01-09
  10. Bouchet, P. (2010). Trimusculus costatus (Krauss, 1848). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=413973 on 2011-01-09
  11. Bouchet, P. (2010). Trimusculus escondidus Poppe & Groh, 2009. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=414599 on 2011-01-09
  12. Bouchet, P. (2010). Trimusculus goesi (Hubendick, 1946). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=413974 on 2011-01-09
  13. Bouchet, P. (2010). Trimusculus kurodai. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=414597 on 2011-01-09
  14. Bouchet, P.; Gofas, S. (2010). Trimusculus mammillaris. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=141706 on 2011-01-09
  15. WoRMS (2010). Trimusculus mauritianus (Martens, 1880). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=220095 on 2011-01-09
  16. Bouchet, P. (2010). Trimusculus niveus (Hutton, 1883). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=414595 on 2011-01-09
  17. Bouchet, P. (2010). Trimusculus odhneri (Hubendick, 1946). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=414596 on 2011-01-09
  18. Rosenberg, G.; Bouchet, P. (2010). Trimusculus peruvianus (Sowerby II, 1835). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=414591 on 2011-01-09
  19. Bouchet, P. (2010). Trimusculus reticulatus (Sowerby II, 1835). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=414592 on 2011-01-09
  20. Bouchet, P. (2010). Trimusculus stellatus (Sowerby II, 1835). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=414593 on 2011-01-09
  21. Bouchet, P. (2010). Trimusculus yamamotoi Habe, 1958. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=414598 on 2011-01-09
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