Orcula | |
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Adult and juvenile shells of Orcula dolium | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Heterobranchia |
Order: | Stylommatophora |
Infraorder: | Pupilloidei |
Superfamily: | Pupilloidea |
Family: | Orculidae |
Genus: | Orcula Held, 1837 |
Type species | |
Pupa doliumDraparnaud, 1801 | |
Synonyms | |
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Orcula is a genus of land snails in the family Orculidae. It is the type genus of the family. [1] [2]
These snails have ovate-cylindrical shells generally measuring about 5 to 10 millimeters. [1]
The center of diversity of the genus is in the Alps. Some species live in alpine climates. In general, the snails occur in wet forested habitat and boulder fields on limestone substrates. [1]
There are 14 species in this genus, divided among 3 subgenera. [1]
Species include: [3]
Chilostoma is a genus of medium-sized, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Helicidae, the true snails.
Subulina is a genus of small tropical air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae.
Trochoidea is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Helicellinae of the family Geomitridae. The name means "those that are shaped like a top".
Orcula dolium is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Orculidae.
Orculidae is a family of mostly minute, air-breathing, land snails; terrestrial pulmonate gastropod mollusks in the superfamily Pupilloidea.
Sphyradium is a genus of very small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Orculidae within the superfamily Pupilloidea.
Monacha is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Trochulininae Lindholm, 1927 of the family Hygromiidae, the hairy snails and their allies.
Sphincterochila is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Sphincterochilidae.
Xerocrassa is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod molluscs in the subfamily Helicellinae of the family Geomitridae.
Chondrula is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Enidae.
Orculella is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Orculidae. The genus Orculella occurs in the whole Mediterranean region. The richest areas in terms of species are Turkey and the Middle East, the Aegean Islands and Libya (Cyrenaica). A few species inhabit Southern Spain, Sicily and northeastern Africa.