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A slug on a wall in Kanagawa, Japan.. Slug, or land slug, is a common name for any apparently shell-less terrestrial gastropod mollusc.The word slug is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced shell, or only a small internal shell, particularly sea slugs and semi-slugs (this is in contrast to the common name snail, which applies to ...
In contrast to many other mollusc classes, aplacophorans have no shell, and are instead covered by aragonitic sclerites (calcareous spicules), which can be solid or hollow.. These spicules can be arranged perpendicular to one another within the cuticle to form a skeleton, stick up to form a palisade, or can lie flat against the cutic
Molluscs are a large phylum of invertebrate animals, many of which have shells. Edible molluscs are harvested from saltwater, freshwater, and the land, and include numerous members of the classes Gastropoda (snails), Bivalvia (clams, scallops, oysters etc.), Cephalopoda (octopus and squid), and Polyplacophora (chitons).
The mollusc (or mollusk [spelling 1]) shell is typically a calcareous exoskeleton which encloses, supports and protects the soft parts of an animal in the phylum Mollusca, which includes snails, clams, tusk shells, and several other classes. Not all shelled molluscs live in the sea; many live on the land and in freshwater.
Melo melo, common name the Indian volute or bailer shell (also spelled baler), [3] is a very large edible sea snail, a marine gastropod mollusc in the family Volutidae, the volutes. [ 1 ] Distribution
Discussion about monoplacophorans is made difficult by the slippery definition of the taxon; some authors take it to refer to all non-gastropod molluscs with a single shell, or all single-shelled molluscs with serially repeated units; whereas other workers restrict the definition to cap-shaped forms, excluding spiral and other shapes of shell. [2]
A woman who was reported missing in Indonesia was found in a python’s stomach, according to officials. The 54-year-old left to work on a rubber plantation near Jambi, on the northeast coast of ...
The maximum shell length of this species is up to 120 mm (4 + 3 ⁄ 4 in), [3] [4] but it more commonly grows up to about 90 mm (3 + 1 ⁄ 2 in). [4] The shell of Haliotis asinina has a distinctly elongated contour, in clear resemblance to a donkey ear, hence the common name.