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3 – aperture 4 – columella 5 – suture 6 – body whorl 7 – apex Four views of a shell of Arianta arbustorum: Apertural view (top left), lateral view (top right), apical view (bottom left), and umbilical view (bottom right). The gastropod shell is part of the body of many gastropods, including snails, a kind of mollusc.
Crepidula, commonly known as the slipper snails, slipper limpets, or slipper shells, is a genus of sea snails, marine gastropod mollusks in the family Calyptraeidae.This family includes the slipper snails (Crepidula), hat snails (), spiny slipper snails (Bostrycapulus), and cup-and-saucer snails as well as Crepipatella, Siphopatella, Grandicrepidula, and Maoricrypta.
In gastropods the opposite to the aperture. [1] Ectocone – The outer cusp on the teeth of the radula. [1] Edentulous – Without teeth or folds, as the aperture in some gastropods. [1] Efferent – Carrying out. [1] Elliptical – With an oval form. [1] Elongated – Drawn out, as the spire of a shell. [1] Emarginate – Bluntly notched. [1]
Crepidula fornicata is a species of medium-sized sea snail, a marine gastropod mollusc in the family Calyptraeidae, the slipper snails and cup and saucer snails.It has many common names, including common slipper shell, common Atlantic slippersnail, boat shell, quarterdeck shell, fornicating slipper snail, Atlantic slipper limpet and it is in Britain as the "common slipper limpet".
Shell of marine snail Lunella torquata with the calcareous operculum in place Gastropod shell of the freshwater snail Viviparus contectus with corneous operculum in place. An operculum (Latin for 'cover, covering'; pl. opercula or operculums) is a corneous or calcareous anatomical structure like a trapdoor that exists in many (but not all) groups of sea snails and freshwater snails, and also ...
Two new playable races were added to World of Warcraft in The Burning Crusade: the Draenei of the Alliance and the Blood Elves of the Horde.Previously, the shaman class was exclusive to the Horde faction (available to the orc, troll and tauren races), and the paladin class was exclusive to the Alliance faction (available to the human and dwarf races); with the new races, the expansion allowed ...
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 ...
Melo is a genus of extremely large sea snails, marine gastropod molluscs in the family Volutidae, the volutes. Because of their huge ovate shells, these snails are often known as "bailers" (the shells were sometimes used for bailing out canoes) or "melons" (because the shell resembles that fruit). Species in this genus sometimes produce large ...