| Grossuana thracica | |
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| Species: | G. thracica |
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| Grossuana thracica (Glöer & Georgiev, 2009) | |
Grossuana thracica is a species of very small freshwater snail, an aquatic gastropod mollusc in the family Hydrobiidae. [2]
This species is endemic to Bulgaria, where it is found at one site only. This site is the area where water emerges from the spring in Chirpan Bunar Cave, and flows into a small pond. The total area occupied by this species of snail is approximately 2 m of the spring's flow length. The cave is situated 3 km east of the village of Bolyarino, in the Upper Thracian Lowland. [1]
Hydrobiidae, commonly known as mud snails, is a large cosmopolitan family of very small freshwater and brackish water snails with an operculum; they are in the order Littorinimorpha.
Theodoxus fluviatilis, common name the river nerite, is a species of small freshwater and brackish water snail with a gill and an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites.
Bithynia is a genus of small freshwater snails with an operculum, aquatic prosobranch gastropod mollusks in the family Bithyniidae.
The Tumbling Creek cavesnail is a species of freshwater cave snail with gills and an operculum, an aquatic gastropod mollusk in the family Amnicolidae.
Assiminea pecos is a rare species of snail in the family Assimineidae known by the common name Pecos assiminea. It is native to New Mexico and Texas in the United States. Specimens known from Mexico are now treated as members of a separate species, Assiminea cienegensis. The Pecos assiminea was federally listed as an endangered species of the United States in 2005.
Bythinella is a genus of very small freshwater snails, an aquatic gastropod mollusk in the family Bythinellidae.
Bythiospeum is a genus of very small freshwater snails that have an operculum, aquatic gastropod mollusks in the family Moitessieriidae.
Pseudamnicola is a genus of small brackish water snails with an operculum, aquatic gastropod mollusks in the subfamily Pseudamnicolinae of the family Hydrobiidae.
Pontobelgrandiella bachkovoensis is a species of minute freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.
Bythinella gloeeri is a species of very small freshwater snail, an aquatic gastropod mollusk in the family Amnicolidae.
Bythinella markovi is a species of very small freshwater snail, an aquatic gastropod mollusk in the family Amnicolidae.
Hauffenia lucidula is a species of minute freshwater snail with an operculum, an aquatic gastropod mollusc or micromollusc in the family Hydrobiidae.
Grossuana is a genus of very small freshwater snails, aquatic gastropod mollusks in the family Hydrobiidae
Gabbia is a genus of a freshwater snails with an operculum, aquatic prosobranch gastropod mollusks in the family Bithyniidae.
Lepenitsa is a cave in the Rhodope Mountains, southern Bulgaria. Lepenitsa is among the 100 Tourist Sites of Bulgaria of the Bulgarian Tourist Union. It was declared a natural landmark in 1962.
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