| Georissa biangulata | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Neritimorpha |
| Order: | Cycloneritida |
| Family: | Hydrocenidae |
| Genus: | Georissa |
| Species: | G. biangulata |
| Binomial name | |
| Georissa biangulata Quadras & Möllendorff, 1894 | |
Georissa biangulata is a species of minute cave snails that have an operculum. They are gastropod mollusks in the family Hydrocenidae.
Hydrocenidae is a taxonomic family of minute land snails or cave snails with an operculum, terrestrial gastropod mollusks or micromollusks in the clade Cycloneritimorpha.
Georissa is a genus of minute land snails, terrestrial gastropod mollusks in the family Hydrocenidae. Although the species are best known for living on the surface of limestone rocks, they are often also found in and on the vegetation and on non-calcareous rocks. One species, Georissa filiasaulae, is cavernicolous. It is only known from two caves in the Sepulut area of Sabah, Malaysian Borneo, where its above-ground sister species, Georissa saulae, inhabits the rocks outside of the cave, and is connected to the cave snail via narrow zones of hybridization at the cave entrances. Possibly, G. filiasaulae has evolved without ever having been fully separated from its ancestor, a process known as speciation-with-gene-flow.
Georissa elegans is a species of minute cave snails, gastropod mollusks in the family Hydrocenidae of gastropod in the Hydrocenidae family.
Georissa laevigata is a species of a land snail, a minute cave snail, gastropod mollusk in the family Hydrocenidae.
Georissa rufula is a species of minute cave snails, gastropod mollusks in the family Hydrocenidae. This species is endemic to Micronesia.
Echinolittorina biangulata is a species of sea snail in the Indo-West Pacific Ocean, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Euphyia biangulata, the cloaked carpet, is a moth of the family Geometridae. It is found in most of Europe and the Middle East.
Turbonilla biangulata is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Chemnitzia is a genus of very small sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.
Tropidomarga is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.
Tropidomarga biangulata is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.
Hemimarginula biangulata is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.
Emarginella is a genus of small keyhole limpets, marine gastropod molluscs in the family Fissurellidae.
Trenchia biangulata is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea.
Sybra biangulata is a species of beetle in the family Cerambycidae. It was described by Fairmaire in 1893.
Georissa saulae is a species of a minute land snail that have an operculum, terrestrial gastropod mollusk in the family Hydrocenidae.
Georissa filiasaulae is a species of a minute land snail that have an operculum, terrestrial gastropod mollusk in the family Hydrocenidae.
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