Collisella is a genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of primitive sea snail

Sea snail

Sea snail is a common name for those snails that normally live in saltwater, marine gastropod molluscs....

s, specifically true limpets, marine

Marine (ocean)

Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...

 gastropod mollusks in the family Lottiidae

Lottiidae

Lottiidae is a family of sea snails, specifically true limpets, marine gastropod mollusks in the superfamily Lottioidea and the clade Patellogastropoda .- 2005 taxonomy :...

, one of the families of true limpets.

This genus of shield limpets has been classified by some authors under the family Acmaeidae.

Species

Species within the genus Colisella include:

• Collisella acutapex Berry, S.S., 1960
• Collisella adami Christiaens, J., 1975
• Collisella atrata Carpenter, P.P., 1857
• Collisella borneensis
• Collisella conus Test, A.R., 1945 - test limpet
• Collisella discors (Philippi, R.A., 1849)
• † Collisella edmitchelli
  Collisella edmitchelli
  † Collisella edmitchelli was a late Pleistocene species of sea snail, a true limpet, a marine gastropod mollusk in the family Lottiidae and the clade Patellogastropoda....
  
  Lipps, 1966
• Collisella instabilis (Gould, A.A., 1846)
• Collisella kolarovai (Grabau, A.W. & S.G. King, 1928)
• Collisella lacerata Ramírez-Boehme, 1974
• Collisella lileana Ramírez-Boehme, 1970
• Collisella mortoni Christiaens, J., 1980
• Collisella pallidula Gould, A.A., 1859 - snowy limpet
• Collisella ruginosa Ramírez-Boehme, 1974
• Collisella scabra
• Collisella subrugosa
  Collisella subrugosa
  Collisella subrugosa is a species of sea snail, a true limpet, a marine gastropod mollusk in the family Lottiidae. It is still designated under its synonyms Acmaea subrugosa or Lottia subrugosa in many textbooks. -Distribution and habitat:...
  
  (Orbigny, 1846)
• Collisella tessulata
  Collisella tessulata
  Collisella tessulata is a species of sea snail, a true limpet, a marine gastropod mollusk in the family Lottiidae, one of the families of true limpets.-Distribution:* England* South Coast of Ireland* Wales...
  
  (O. F. Müller, 1776)
• Collisella triangularis (Carpenter, P.P., 1864) - triangular limpet
  • Collisella triangularis f. orcutti Pilsbry, H.A., 1891
  • Collisella uncinata guadeloupa Christiaens, J., 1975

The following species from American waters (from Baja California

Baja California

Baja California officially Estado Libre y Soberano de Baja California is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is both the northernmost and westernmost state of Mexico. Before becoming a state in 1953, the area was known as the North...

 to Peru

Peru

Peru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean....

) are mentioned in the book "Seashells of Tropical West America" by A. Myra Keen, Stanford University Press, 1971.

• Collisella atrata (Carpenter, 1857)
• Collisella dalliana (Pilsbry, 1891)
• Collisella mitella (Menke, 1847)
• Collisella pediculus (Philippi, 1846)
• Collisella stanfordiana (Berry, 1957)
• Collisella strigatella (Carpenter, 1864)
• Collisella strongiana (Hertlein, 1958)
• Collisella turveri (Hertlein & Strong, 1951)

Synonyms:

• Collisella pelta is a synonym of Lottia pelta (Rathke, 1833)
  • Colisella pelta pelta (Rathke, J. in Eschscholtz, J.F., 1833)
  • Collisella pelta pelta f. postelsia
  • Collisella pelta shirogai Habe, T. & K. Ito, 1965

Further reading

• Lindberg D. R.
  David R. Lindberg
  David R. Lindberg is an American malacologist and professor of integrative biology at the University of California, Berkeley. He is also the Curator for the University of California Museum of Paleontology and co-editor of the journal Molecular Systematics and Phylogeography of Mollusks.Much of his...
  
  (1982). "Taxonomic notes on members of the genus Collisella from the North Pacific Ocean including the description of a new species from Alaska (Gastropoda: Acmaeidae)". Wasmann Jour. Biol. 40(1-2): 48-58.