Retusa truncatula
From Wikipedia, the free encyclopedia
| Retusa truncatula | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Cephalaspidea |
| Family: | Retusidae |
| Genus: | Retusa |
| Species: | R. truncatula |
| Binomial name | |
| Retusa truncatula (Bruguière, 1792) | |
| Synonyms[1] | |
|
Bulla pellucida Brown, 1827
| |
Retusa truncatula is a species of very small head-shield sea snail or barrel-bubble snail, a marine gastropod mollusc in the family Retusidae.[1]
The subspecies Retusa truncatula var. mammilata: is a synonym of Retusa mammillata (Philippi, 1836)
The shell is minute with a flattened spire and longitudinal striations. The colour of the living animal is white. The adult length is usually less than 4 mm.[2]
Distribution
This species occurs in South Africa, from False Bay to Durban in shallow estuaries. It is also known from northern Europe, the Mediterranean Sea and the Canary Islands.[2]