Odhneripisidium moitessierianum

Odhneripisidium moitessierianum

Least Concern (IUCN 3.1)[1]
(Europe regional assessment)

Secure (NatureServe)[2]
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Sphaeriida
Family: Sphaeriidae
Genus: Odhneripisidium
Species:
O. moitessierianum
Binomial name
Odhneripisidium moitessierianum
(Paladilhe, 1866)
Synonyms[3]
List
  • Neopisidium moitessierianum (Paladilhe, 1866)
  • Neopisidium torquatum (Stelfox, 1918)
  • Neopisidium trigonum (Locard, 1893)
  • Pisidium (Neopisidium) moitessierianum Paladilhe, 1866
  • Pisidium (Neopisidium) torquatum Stelfox, 1918
  • Pisidium (Neopisidium) trigonum Locard, 1893
  • Pisidium (Odhneripisidium) moitesserianum Paladilhe, 1866
  • Pisidium moitessierianum Paladilhe, 1866
  • Pisidium torquatum Stelfox, 1918
  • Pisidium trigonum Locard, 1893

Odhneripisidium moitessierianum is a species of small freshwater clam. It is an aquatic bivalve mollusc in the family Sphaeriidae.

Description

This species is the smallest of the pea clams or and the smallest of any freshwater bivalve, at 1.5 – 2.5 mm adult size. The shell is long-oval and oblique wedge-shaped with prominent umbos which are slightly behind the midpoint. The umbos are demarcated by a shallow furrow. The surface (periostracum) is silky, with regular concentric striae.

Distribution

The species is native to Europe but has been introduced to northeastern North America.

References

Notes
  1. ^ Prié, V.; Lopes-Lima, M. (2024). "Pisidium moitessierianum (Europe assessment)". IUCN Red List of Threatened Species. 2024 e.T155861A211989895. doi:10.2305/IUCN.UK.2024-1.RLTS.T155861A211989895.en. Retrieved 7 February 2026.
  2. ^ NatureServe. "Pisidium moitessierianum". NatureServe Explorer. Arlington, Virginia. Retrieved 6 February 2026.
  3. ^ Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O (eds.). "Odhneripisidium moitessierianum (Paladilhe, 1866)". MolluscaBase. World Register of Marine Species. Retrieved 7 February 2026.
  4. ^ a b (in Czech) Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. [Annotated list of mollusc species recorded outdoors in the Czech and Slovak Republics]". Malacologica Bohemoslovaca, Suppl. 1: 1-37. PDF.
  5. ^ Red List of the molluscs (Mollusca) of the Czech Republic http://mollusca.sav.sk/malacology/redlist.htm
  6. ^ Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, ISBN 3-923376-02-2
  7. ^ Kuiper, J. G. J.; Økland, K. A.; Knudsen, J.; Koli, L.; von Proschwitz, T.; Valovirta, I. (1989), "Geographical distribution of the small mussels (Sphaeriidae) in North Europe (Denmark, Faroes, Finland, Iceland, Norway and Sweden)" (PDF), Annales Zoologici Fennici, 26 (2): 73–101
  8. ^ Roy Anderson, 2005 An annotated list of the non-marine molluscs of Britain and Ireland Journal of Conchology, 38 (6): 607–637, (published 2005) [1].
Sources
  • Zettler, M.L., Kuiper, J.G.J. 2002: Zur Verbreitung und Ökologie von Pisidium moitessierianum (Paladilhe 1866) unter besonderer Berücksichtigung von Nordostdeutschland (Mollusca: Bivalvia: Sphaeriidae). Mitteilungen der Deutschen Malakozoologischen Gesellschaft 67: 9-26


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