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Turbinella pyrum, common names the chank shell, sacred chank or chank, also known as the divine conch or referred to simply as a conch, is a species of very large sea snail with a gill and an operculum, a marine gastropod mollusk in the family Turbinellidae. This species occurs in the Indian Ocean.
It refers to the shell of a large sea snail from the Indian Ocean (a shell of the species Turbinella pyrum), but one that has a rare reverse-turning spiral. The shankha is held with the spout (siphonal canal) pointed up; its spiral twists rightwards rather than the more common form, which twists leftwards.
Many Epitonium species have shells that are very attractive and quite interesting in their structure. However this species is particularly striking, partly because it is very large compared with the great majority of other species within the genus, but also because the whorls themselves do not touch and so the shell is held together only by the ...
The shell of this mollusc species has special significance to shell collectors because it was once regarded as the rarest shell in the world. For about two centuries between its initial discovery and the discovery of its habitat in 1969, specimens were valued in the thousands of U.S. dollars and generally only owned by museums and wealthy private collectors.
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
Specimen from the Argentine coast. Olive snails, also known as olive shells and olives, scientific name Olividae, are a taxonomic family of medium to large predatory sea snails with smooth, shiny, elongated oval-shaped shells.
The Terebridae, commonly referred to as auger shells or auger snails, is a family of predatory marine gastropods in the superfamily Conoidea. [3] They have extremely high-spired shells with numerous whorls; their common name refers to the resemblance of their shells to rock-drill bits.
Xenophoridae belongs to the superfamily Stromboidea, which also includes the true conchs (). [2] It had previously been placed in a monotypic superfamily, Xenophoroidea, [3] but placement in Stromboidea is supported by behavioral, [4] anatomical, [5] and genetic data. [6]