Lithoglyphus pyramidatus
Encyclopedia
Lithoglyphus pyramidatus is a species
of freshwater snail
with an operculum
, an aquatic
gastropod mollusk in the family
Lithoglyphidae
.
The type locality for this species is Vrbas River near Banja Luka
, Bosnia.
. The width of the shell is 7 mm. The height of the shell is 8.5 mm.
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 freshwater snail
Freshwater snail
A freshwater snail is one kind of freshwater mollusc, the other kind being freshwater clams and mussels, i.e. freshwater bivalves. Specifically a freshwater snail is a gastropod that lives in a watery non-marine habitat. The majority of freshwater gastropods have a shell, with very few exceptions....
with an operculum
Operculum (gastropod)
The operculum, meaning little lid, is a corneous or calcareous anatomical structure which exists in many groups of sea snails and freshwater snails, and also in a few groups of land snails...
, an aquatic
Aquatic animal
An aquatic animal is an animal, either vertebrate or invertebrate, which lives in water for most or all of its life. It may breathe air or extract its oxygen from that dissolved in water through specialised organs called gills, or directly through its skin. Natural environments and the animals that...
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...
Lithoglyphidae
Lithoglyphidae
Lithoglyphidae is a family of small freshwater snails with gills and an operculum, aquatic gastropod mollusks.This family is in the superfamily Rissooidea and in the clade Littorinimorpha .- Taxonomy :Taylor , Ponder & Warén and Kabat & Hershler considered this taxon as a subfamily...
.
Distribution
The distribution of Lithoglyphus pyramidatus includes:- The Ukraine
- The northern Balkan Peninsula
- north-western AnatoliaAnatoliaAnatolia is a geographic and historical term denoting the westernmost protrusion of Asia, comprising the majority of the Republic of Turkey...
The type locality for this species is Vrbas River near Banja Luka
Banja Luka
-History:The name "Banja Luka" was first mentioned in a document dated February 6, 1494, but Banja Luka's history dates back to ancient times. There is a substantial evidence of the Roman presence in the region during the first few centuries A.D., including an old fort "Kastel" in the centre of...
, Bosnia.
Description
The shell has 4 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...
. The width of the shell is 7 mm. The height of the shell is 8.5 mm.