Eulimella fontanae
Encyclopedia
Eulimella fontanae is a species
of sea snail
, a marine
gastropod mollusk in the family
Pyramidellidae
, the pyrams and their allies.
The epithet "fontanae" refers to Mrs M.A. Fontana Angioy, editor of the journal La Conchiglia
.
with a deep suture between them. The growthlines, shaped like an inverted S, are at about right angles to the growth direction. The aperture
is oval. The shell lacks an umbilicus and has a noticeable fold on the columella.
at depths between 400 m and 620 m.
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of sea snail
Sea snail
Sea snail is a common name for those snails that normally live in saltwater, marine gastropod molluscs....
, a marine
Marine (ocean)
Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...
gastropod mollusk in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Pyramidellidae
Pyramidellidae
Pyramidellidae, common name the pyram family, or pyramid shells, is a voluminous taxonomic family of mostly small and minute ectoparasitic sea snails, marine heterobranch gastropod molluscs or micromolluscs....
, the pyrams and their allies.
The epithet "fontanae" refers to Mrs M.A. Fontana Angioy, editor of the journal La Conchiglia
La Conchiglia
La Conchiglia , or The Conch, is a short film from Somali writer and director Abdulkadir Ahmed Said.-Plot:A female artist is painting a seascape on a deserted beach when she discovers a beautiful conch. Curious, she puts her ear to it and listens to the echoes and sounds of the ocean waves...
.
Description
This species is similar to Eulimella cerullii (Cossmann, 1916). The size of the slender, conical shell varies between 3.5 mm and 4.3 mm. The teleoconch contains six to seven rather flat whorlsWhorl (mollusc)
A whorl is a single, complete 360° revolution or turn in the spiral growth of a mollusc shell. A spiral configuration of the shell is found in of numerous gastropods, but it is also found in shelled cephalopods including Nautilus, Spirula and the large extinct subclass of cephalopods known as the...
with a deep suture between them. The growthlines, shaped like an inverted S, are at about right angles to the growth direction. The aperture
Aperture (mollusc)
The aperture is an opening in certain kinds of mollusc shells: it is the main opening of the shell, where part of the body of the animal emerges for locomotion, feeding, etc....
is oval. The shell lacks an umbilicus and has a noticeable fold on the columella.
Distribution
The species occurs in the Atlantic Ocean off the AzoresAzores
The Archipelago of the Azores is composed of nine volcanic islands situated in the middle of the North Atlantic Ocean, and is located about west from Lisbon and about east from the east coast of North America. The islands, and their economic exclusion zone, form the Autonomous Region of the...
at depths between 400 m and 620 m.