Borsonia hirondelleae | |
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Original drawing of a shell of Borsonia hirondelleae | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Clade: | Caenogastropoda |
Clade: | Hypsogastropoda |
Clade: | Neogastropoda |
Superfamily: | Conoidea |
Family: | Borsoniidae |
Genus: | Borsonia |
Species: | B. hirondelleae |
Binomial name | |
Borsonia hirondelleae (Dautzenberg, 1891) | |
Synonyms [1] | |
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Borsonia hirondelleae is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae. [1] The specific name hirondelleae refers to the ship Hirondelle, that was used to collect molluscs from the Bay of Biscay. [2]
Sea snail is a common name for snails that normally live in salt water, in other words marine gastropods. The taxonomic class Gastropoda also includes snails that live in other habitats, such as land snails and freshwater snails. Many species of sea snails are edible and exploited as food sources by humans.
Family is one of the eight major hierarcical taxonomic ranks in Linnaean taxonomy; it is classified between order and genus. A family may be divided into subfamilies, which are intermediate ranks between the ranks of family and genus. The official family names are Latin in origin; however, popular names are often used: for example, walnut trees and hickory trees belong to the family Juglandaceae, but that family is commonly referred to as being the "walnut family".
Borsoniidae is a monophyletic family of small to medium-sized sea snails, marine gastropod mollusks in the superfamily Conoidea.
The size of the shell attains 32 mm, its width : 12 mm. The not very solid, whitish shell has a fusiform shape. The rather high shell is turriculate and contains seven convex whorls, subangular at the periphery, separated by a simple suture. The whorls contain longitudinal, nodulose ribs (13 on the penultimate whorl). The aperture is narrow and is half as long as the length of the shell. The front of the columella is slightly twisted and has a small callus. The outer lip is simple and sharp. It forms a rather narrow sinus. [2]
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 ammonites.
In anatomy, a suture is a fairly rigid joint between two or more hard elements of an organism, with or without significant overlap of the elements.
This marine species occurs off Morocco, off the Azores and in the Bay of Biscay
Morocco, officially the Kingdom of Morocco, is a country located in the Maghreb region of North West Africa with an area of 710,850 km2 (274,460 sq mi). Its capital is Rabat, the largest city Casablanca. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west. Morocco claims the areas of Ceuta, Melilla and Peñón de Vélez de la Gomera, all of them under Spanish jurisdiction.
The Azores, officially the Autonomous Region of the Azores, is one of the two autonomous regions of Portugal. It is an archipelago composed of nine volcanic islands in the North Atlantic Ocean about 1,360 km (850 mi) west of continental Portugal, about 1,643 km (1,021 mi) west of Lisbon, in continental Portugal, about 1,507 km (936 mi) northwest of Morocco, and about 1,925 km (1,196 mi) southeast of Newfoundland, Canada.
The Bay of Biscay is a gulf of the northeast Atlantic Ocean located south of the Celtic Sea. It lies along the western coast of France from Point Penmarc'h to the Spanish border, and the northern coast of Spain west to Cape Ortegal.
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