''Segmentina'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of very small, air-breathing,
freshwater snail
Freshwater snails are gastropod mollusks that live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs t ...
s,
aquatic gastropod
Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, freshwater, and fro ...
mollusk
Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...
s or
micromollusk
A micromollusc is a shelled mollusc which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine molluscs, although in addition, numerous species of land snails and freshwater molluscs also ...
s in the family Planorbidae, the ramshorn snails.
Albrecht et al. (2007)
[Albrecht C., Kuhn K. & Streit B. (2007). "A molecular phylogeny of Planorboidea (Gastropoda, Pulmonata): insights from enhanced taxon sampling". '']Zoologica Scripta
''Zoologica Scripta'' is a bimonthly peer-reviewed scientific journal on systematic zoology, published by Wiley-Blackwell on behalf of the Norwegian Academy of Science and Letters and the Royal Swedish Academy of Sciences. It was established in 197 ...
'' 36: 27-39. . have confirmed the placement of this genus in the tribe
Segmentinini within subfamily
Planorbinae.
Species
Species in this genus include:
*''
Segmentina avecenninae''
*''
Segmentina bouilleti''
*''
Segmentina bugense''
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Segmentina cantori''
*''
Segmentina caucasica''
*''
Segmentina chevalieri''
*''
Segmentina congenera''
*''
Segmentina distinguenda''
*''
Segmentina drenici''
*''
Segmentina filocincta''
*''
Segmentina haueri''
*''
Segmentina lartetii''
*''
Segmentina loczyi''
*''
Segmentina malkae''
*''
Segmentina mica''
*''
Segmentina molytes''
*''
Segmentina montgazoniana''
*''
Segmentina nitida''
*''
Segmentina nitidella''
*''
Segmentina oelandica''
* ''
Segmentina paparyensis''
*''
Segmentina parva''
*''
Segmentina petropolitana''
*''
Segmentina roskai''
*''
Segmentina sandbergeri''
*''
Segmentina servaini''
*''
Segmentina starobogatovi''
*''
Segmentina stenomphalus''
*''
Segmentina usta''
References
External links
''Segmentina'' at AnimalBase
Planorbidae
{{Planorbidae-stub