Littorina
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 Common periwinkle, Littorina littorea
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Littorina is a genus of small sea snails, marine gastropod molluscs in the family Littorinidae, the winkles or periwinkles.
These small snails live in the tidal zone of rocky shores.
In Europe there are about nine species, one of which is the rough periwinkle, Littorina saxatilis (Oliv1 1792). Littorina tenebrosa (Montagu 1802) is regarded as a distinct species. DNA analysis shows there is a significant genetic differentiation - not enough to consider these to be different species.[1]
Littorina has given its name to the Littorina Sea, the geologic precursor of the Baltic Sea.
[edit] Species in the genus Littorina
- Littorina angulifera
- Littorina araucana
- Littorina aspera
- Littorina cincta
- Littorina coccinea
- Littorina fasciata
- Littorina flava
- Littorina intermedia
- Littorina lineolata
- Littorina littorea, common periwinkle
- Littorina meleagris
- Littorina mespillum
- Littorina neritoides
- Littorina nigrolineata
- Littorina obtusata, flat periwinkle
- Littorina peruviana
- Littorina pintado
- Littorina planaxis
- Littorina punctata
- Littorina saxatilis, rough periwinkle
- Littorina scutulata, checkered periwinkle
- Littorina sitkana
- Littorina striata (now synonym of Tectarius striatus) [2]
- Littorina unifasciata antipodum
- Littorina varia
- Littorina zebra
- Littorina ziczac
[edit] References
- ^ Gosling, E.M. 2002. The periwinkle as a model in biodiversity studies: a geneticist's view. in Marine Biodiversity in Ireland and Adjacent Waters. Ulster Museum. publication no. 8
- ^ S T Williams , D G Reid , D T J Littlewood (2003). "A molecular phylogeny of the Littorininae (Gastropoda: Littorinidae): unequal evolutionary rates, morphological parallelism, and biogeography of the Southern Ocean.". Mol Phylogenet Evol. 1: 60–86. doi:.
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