Crisilla galvagni is a minute marine
gastropod
Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, freshwater, and fro ...
(
micromollusk
A micromollusc is a shelled mollusc which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine molluscs, although in addition, numerous species of land snails and freshwater molluscs also ...
) belonging to the family Rissoidae,
endemic
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
to the
Western Mediterranean Sea
Description
Morphology
* Shell size: Grows up to approximately 1.4 mm in length—remarkably tiny in scale
* Shape: Exhibits a conical, elongate structure composed of several whorls, ending in a relatively small aperture.
* Sculpture: Surface ornamented with fine spiral striae and subtle axial ribs—likely adaptations to its interstitial or subtidal habitat.
* Coloration: Generally pale or translucent, allowing slight visibility of internal anatomy through the shell wall.
Distribution
This marine species occurs in the Western
Mediterranean Sea
The Mediterranean Sea ( ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean basin and almost completely enclosed by land: on the east by the Levant in West Asia, on the north by Anatolia in West Asia and Southern Eur ...
.
References
Scuderi D. & Amati B. (2013) ''Rediscovery and re-evaluation of a “ghost” taxon: the case of Rissoa galvagni Aradas et Maggiore, 1844 (Caenogastropoda Rissoidae)''. Biodiversity Journal 3(4): 511-520
External links
*
Crisilla
Gastropods described in 1844
{{Rissoidae-stub