Alcadia euglypta
From Wikipedia, the free encyclopedia
| Alcadia euglypta | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Cycloneritida |
| Family: | Helicinidae |
| Genus: | Alcadia |
| Species: | A. euglypta |
| Binomial name | |
| Alcadia euglypta Clench & Aguayo, 1950 | |
| Synonyms[1] | |
|
Alcadia (Glyptalcadia) euglypta Clench & Aguayo, 1950 · alternative representation | |
Alcadia euglypta is a minute species of operculate land snail in the family Helicinidae. The species is endemic to eastern Cuba and was first described by Clench & Aguayo in 1950.[2]
The ordinal and familial placement of A. euglypta follow the modern neritimorph classification summarised by Richling (2004).[3]
Description
Boss & Jacobson (1973) give the following diagnostic characters:[4]
- Shell depressed-trochiform, thin and translucent, glossy horn-coloured to pale straw.
- Height up to 3.5 mm; maximum diameter 5.5 mm.
- 5–5½ slightly convex whorls with fine incremental striae and faint spiral microsculpture; a weak peripheral angulation may be present.
- Spire low; apex obtuse.
- Aperture oblique, broadly semicircular; peristome thin, not markedly expanded.
- Columellar callus thin, not dentate; umbilicus covered.
- Operculum multispiral, calcareous.