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But snails with gills also form a polyphyletic group; in other words, snails with lungs and snails with gills form a number of taxonomic groups that are not necessarily more closely related to each other than they are related to some other groups. Both snails that have lungs and snails that have gills have diversified so widely over geological ...
The anatomy of a common air-breathing land snail: much of this anatomy does not apply to gastropods in other clades or groups. Snails are distinguished by an anatomical process known as torsion, where the visceral mass of the animal rotates 180° to one side during development, such that the anus is situated more or less above the head. This ...
In English, edible land snails are commonly called escargot, from the French word for 'snail'. [1] Snails as a food date back to ancient times, with numerous cultures worldwide having traditions and practices that attest to their consumption. In the modern era snails are farmed, an industry known as heliciculture.
Schistosomiasis (also known as bilharzia, bilharziosis, or snail fever) is transmitted to humans by water snail hosts, and affects about 200 million people. Snails and slugs can also be serious agricultural pests, and accidental or deliberate introduction of some snail species into new environments has seriously damaged some ecosystems.
In other words, Aciculidae are terrestrial operculate gastropods. Even though Aciculidae are land snails, they live in rather wet conditions, among mosses and dead leaves and they have sometimes been described as " winkles come ashore".
Includes oysters, clams, mussels, snails, conches, scallops, squid and octopus. Morphometrics – Measurements which characterise the form, shape and appearance of an animal or plant. Difference in morphometrics, such as colouration, can be used to distinguish different stocks of the same species.
Murex was used in antiquity to describe spiny sea snails, especially those associated with the production of purple dye. Murex is one of the oldest classical seashell names still used by the scientific community. Aristotle described these mollusks in his History of Animals using the Greek term πορφύρα (porphyra). [2]
Mitridae, known as mitres or mitre shells, are a taxonomic family of sea snails, widely distributed marine gastropod molluscs in the clade Mitroidea. [1]Both the Latin name and the common name are taken from the item of ecclesiastical headgear, the mitre or miter, used in reference to the elongated and slender shape of the shells.