Eulimella boydae
Encyclopedia
Eulimella boydae is a species
of sea snail
, a marine
gastropod mollusk in the family
Pyramidellidae
, the pyrams and their allies.
The epithet "boydae" refers to Ms S. E. Boyd, curator of Mollusca at the Museum of Victoria, Australia.
with a clearly marked horizontal suture.The growthlines vary between orthocline (at right angles to the growth direction) and opisthocline (following the growth direction). The outer lip
contains some teeth. An umbilicus is lacking. The columella shows a fold.
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 "boydae" refers to Ms S. E. Boyd, curator of Mollusca at the Museum of Victoria, Australia.
Description
The size of the elongated shell varies between 2.8 mm and 3.1 mm. The conical shell lacks a spiral microstructure. The teleoconch consists of eight to nine rather low 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 clearly marked horizontal suture.The growthlines vary between orthocline (at right angles to the growth direction) and opisthocline (following the growth direction). The outer lip
Lip (gastropod)
In the shell of a gastropod mollusk , the margin of the aperture is called the lip or the peristome. In other words, this is a term used to describe part of gastropod shell anatomy....
contains some teeth. An umbilicus is lacking. The columella shows a fold.
Distribution
This species occurs in the following locations:- Cape Verdes at depths between 74 m and 80 m