Striped nerite
Species of gastropod From Wikipedia, the free encyclopedia
The striped nerite, scientific name Theodoxus transversalis, is a species of small freshwater snail with an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites.
| Striped nerite | |
|---|---|
 | |
| Five shells of Theodoxus transversalis | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Neritimorpha |
| Order: | Cycloneritida |
| Family: | Neritidae |
| Genus: | Theodoxus |
| Species: | T. transversalis |
| Binomial name | |
| Theodoxus transversalis (C. Pfeiffer, 1828)[2] | |
Distribution
The distribution of this species is Danubian.[3]
Fehér et al. (2012)[4] revealed in their conservation genetics study, that intraspecific variability of two researched DNA markers (cytochrome c oxidase subunit I and ATP synthase subunit α) is very low.[4] They hypothesized that the bottlenecked population colonized the whole range of Theodoxus transversalis in the Holocene.[4] Fehér et al. (2012) also hypothesized that such low genetic diversity caused the high sensitivity of Theodoxus transversalis to water quality.[4] Theodoxus transversalis was widespread in Danubian drainage,[4] but the population of this species declined because of water pollution and this species is considered as endangered.[1] It is also listed in the Annexes II and IV of the Habitats Directive.[4]
It occurs in:
References
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