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The gastropod shell is part of the body of many gastropods, including snails, a kind of mollusc. The shell is an exoskeleton , which protects from predators, mechanical damage, and dehydration, but also serves for muscle attachment and calcium storage.
Tonna galea, commonly known as the giant tun, is a species of marine gastropod mollusc in the family Tonnidae (also known as the tun shells). This very large sea snail or tun snail is found in the North Atlantic Ocean as far as the coast of West Africa, in the Mediterranean Sea and the Caribbean Sea.
List of gastropods described in 2011; List of gastropods described in 2012 - 2012 in molluscan paleontology#Newly named gastropods; List of gastropods described in 2013 - 2013 in paleomalacology#Gastropods; List of gastropods described in 2014 - 2014 in molluscan paleontology#Newly named gastropods; List of gastropods described in 2015 - 2015 ...
Pleurotomarioidea is a superfamily of small to large marine gastropods included in the order Pleurotomariida of the subclass Vetigastropoda. [2] These are the slit shells, originally named Pleurotomariacea, in keeping with the convention for naming superfamilies at the time. This updated version of the name for the taxon is usually used by ...
The shell shows strong ribs and spiral ridges. The aperture is long and narrow, with a siphonal canal and an anal sinus. [3] Turrids are carnivorous, predatory gastropods. Most species have a poison gland used with the toxoglossan radula, used to prey on vertebrates and invertebrate animals (mostly polychaete worms) or in self-defense. [4]
The Trochidae, common name top-snails or top-shells, are a family of various sized sea snails, marine gastropod molluscs in the subclass Vetigastropoda. This family is commonly known as the top-snails because in many species the shell resembles a toy spinning top .
Three views of a shell of Norelona pyrenaica with the apertural view in the center A shell of Semicassis pyrum, which has a large aperture and a pronounced parietal callus The aperture is an opening in certain kinds of mollusc shells : it is the main opening of the shell, where the head-foot part of the body of the animal emerges for locomotion ...
Phasianotrochus bellulus, common name the necklace shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. [ 1 ] [ 2 ] Description