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Trochus
 
 
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Trochus is a genus
Genus

A genus is a low-level taxonomic rank used in the classification of living and fossil organisms. The taxonomic ranks are domain , kingdom , phylum, class , order , family , genus, and species....
 of medium-sized to very large sea snail
Snail

The word snail is a common name for almost all members of the molluscan class Gastropoda that have coiled animal shells in the adult stage. When the word snail is used in a general sense, it includes sea snails, land snails and freshwater snails....
s. They are marine
Marine (ocean)

Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology....
 gastropod molluscs in the family
Family (biology)

In biological classification, family is a taxonomic rank. Exact details of formal nomenclature depend on the Nomenclature Codes which applies....
 Trochidae
Trochidae

The Trochidae, common name top snails, are a taxonomic family of very small to large sea snails, Marine gastropod molluscs in the clade Vetigastropoda ....
, the top snails.

Trochus niloticus, for example, is a very large (up to 13 cm
Centimetre

A centimetre is a Units of measurement of length in the metric system, equal to one hundredth of a metre, which is the current International System of Units SI base unit of length....
) Indo-Pacific
Indo-Pacific

The Indo-Pacific is a biogeography region of the earth's seas, comprising the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the seas connecting the two in the general area of Indonesia....
 top shell, which has a very thick inner layer of nacre
Nacre

Nacre, also known as mother of pearl, is an organic-inorganic composite material produced by some mollusks as an inner seashell layer. It is strong, resilient, and Iridescence....
. This species is commercially exploited to make mother of pearl buttons, mother of pearl beads, pendants and so on.








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Encyclopedia


Trochus is a genus
Genus

A genus is a low-level taxonomic rank used in the classification of living and fossil organisms. The taxonomic ranks are domain , kingdom , phylum, class , order , family , genus, and species....
 of medium-sized to very large sea snail
Snail

The word snail is a common name for almost all members of the molluscan class Gastropoda that have coiled animal shells in the adult stage. When the word snail is used in a general sense, it includes sea snails, land snails and freshwater snails....
s. They are marine
Marine (ocean)

Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology....
 gastropod molluscs in the family
Family (biology)

In biological classification, family is a taxonomic rank. Exact details of formal nomenclature depend on the Nomenclature Codes which applies....
 Trochidae
Trochidae

The Trochidae, common name top snails, are a taxonomic family of very small to large sea snails, Marine gastropod molluscs in the clade Vetigastropoda ....
, the top snails.

Trochus niloticus, for example, is a very large (up to 13 cm
Centimetre

A centimetre is a Units of measurement of length in the metric system, equal to one hundredth of a metre, which is the current International System of Units SI base unit of length....
) Indo-Pacific
Indo-Pacific

The Indo-Pacific is a biogeography region of the earth's seas, comprising the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the seas connecting the two in the general area of Indonesia....
 top shell, which has a very thick inner layer of nacre
Nacre

Nacre, also known as mother of pearl, is an organic-inorganic composite material produced by some mollusks as an inner seashell layer. It is strong, resilient, and Iridescence....
. This species is commercially exploited to make mother of pearl buttons, mother of pearl beads, pendants and so on.

Shell description

Sea snails in the genus Trochus have shells that have a conical spire
Spire (mollusc)

File:Turritella communis Turmschnecke.jpgFile:Little snail.JPGFile:Xerolenta obvia3pl.jpgFile:Planorbarius_corneus_top.jpgA spire is a descriptive term for part of the Animal shell of a snail, a gastropod mollusc shell or gastropod shell....
 and a flat base.

Species

  • Trochus californicum
  • Trochus camelophorus
    Trochus camelophorus

    Trochus camelophorus is a species of small sea snail, a Marine gastropod mollusc in the family Trochidae, the top snails....
     Webster, 1906
  • Trochus erithreus
  • Trochus fasciatus
  • Trochus henleyanus
  • Trochus intextus
  • Trochus maculatus
  • Trochus niloticus
  • Trochus sacellum
  • Trochus stellatus
  • Trochus tiaratus
    Trochus tiaratus

    Trochus tiaratus is a species of small sea snail, a Marine gastropod mollusc in the family Trochidae, the top snails....
     Quoy & Gaimard, 1834
  • Trochus virgatus
  • Trochus viridis
    Trochus viridis

    Trochus viridis is a species of small sea snail, a Marine gastropod mollusc in the family Trochidae, the top snails....
     Gmelin
    Johann Friedrich Gmelin

    Johann Friedrich Gmelin was a Germany natural history, botanist and entomologist....
    , 1791