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Family of gastropods From Wikipedia, the free encyclopedia
Semisulcospiridae, common name semisulcospirids, is a family of freshwater snails, aquatic gilled gastropod mollusks with an operculum, in the superfamily Cerithioidea.[3]
Semisulcospiridae | |
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A live individual of Semisulcospira kurodai crawling on the glass of an aquarium | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Caenogastropoda |
Superfamily: | Cerithioidea |
Family: | Semisulcospiridae Morrison, 1952[1] |
Type species | |
Hortia arriuensis Lozouet, 1999 † | |
Species | |
See text | |
Diversity[2] | |
about 50 extant species | |
Synonyms[3] | |
Jugidae Starobogatov, Prozorova, Bogatov & Sayenko, 2004 (n.a.) |
Semisulcospiridae diversified from the Pleuroceridae about 90 million years ago, in the Cretaceous.[4]
The family Semisulcospiridae occurs in western North America, the Far East of Russia, Korea, Japan, China and Vietnam.
The family Semisulcospiridae was introduced as just a name (nomen nudum) by Morrison (1952),[1] without a diagnosis of the taxon. It is a valid taxon however, because its name has been used as valid.
According to the taxonomy of Bouchet & Rocroi (2005), Semisulcospiridae was a subfamily within the family Pleuroceridae.[5]
The subfamily Semisulcospirinae within the Pleuroceridae was elevated to family level as Semisulcospiridae by Strong & Köhler (2009).[4]
There is very high level of mitochondrial heterogeneity in apparent species of Semisulcospiridae (highest among gastropods, also with Pleuroceridae), that has not been sufficiently explained yet as of 2015.[6]
Genera within the family Semisulcospiridae include:
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