Turritella is a genus of medium-sized sea snails with an operculum, marine gastropod mollusks in the family Turritellidae.[3]

Quick Facts Scientific classification, Synonyms ...
Turritella
Temporal range: Late Jurassic–recent [1]
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Shells of different Turritella species
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Fossil shells of Turritella cingulifera from the Pliocene of Cyprus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Superfamily: Cerithioidea
Family: Turritellidae
Genus: Turritella
Lamarck, 1799[2]
Synonyms[3]
  • Colpospirella Powell, 1951
  • Haustator (Kurosioia) Ida, 1952
  • Proto Blainville, 1824 (Invalid: junior homonym of Proto Leach, 1814 [Crustacea])
  • Torcula Gray, 1847
  • Turritella (Eglisia) Gray, 1847
  • Turritella (Haustator) Montfort, 1810
  • Turritella (Mesalia) Gray, 1847
  • Turritella (Tomyris) Michailovskij, 1912 †· accepted, alternate representation
  • Turritella (Torcula) Gray, 1847
  • Turritella (Zaria) Gray, 1847
  • Zaria Gray, 1847
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They have tightly coiled shells, whose overall shape is basically that of an elongated cone.

The name Turritella comes from the Latin word turritus meaning "turreted" or "towered" and the diminutive suffix -ella.[4]

Species

Valid

Valid species within the genus Tarantella are listed below. Fossil species are marked with a dagger "†".

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A medium sized sea snail in a genus India

Invalid

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Numerous shells of a Turritella species washed up on the beach at Playa Grande, Costa Rica
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Detail of a fossilized Turritella tricarinata

These are species assigned to Turritella that were brought into synonymy with other taxa:

  • Turritella (Torcula) Gray, 1847: synonym of Turritella Lamarck, 1799
  • Turritella (Torcula) cochlea Reeve, 1849: synonym of Turritella cochlea Reeve, 1849
  • Turritella acicula Stimpson, 1851: synonym of Turritellopsis stimpsoni (Dall, 1919)
  • Turritella alternata Say, 1822: synonym of Bittiolum alternatum (Say, 1822)
  • Turritella andenensis Otuka, 1934: synonym of Neohaustator andenensis (Otuka, 1934)
  • Turritella aquila Reeve, 1849: synonym of Turritella conspersa Adams & Reeve, 1850
  • Turritella areolata Stimpson, 1851: synonym of Tachyrhynchus reticulatus (Mighels & Adams, 1842)
  • Turritella auricincta Martens, 1875:[82] synonym of Turritella aurocincta Martens, 1875
  • Turritella bicolor Adams & Reeve, 1850: synonym of Turritella cingulifera G.B. Sowerby I, 1825
  • Turritella brevialis Lamarck, 1822: synonym of Mesalia brevialis (Lamarck, 1822)
  • Turritella canaliculata Adams & Reeve, 1850: synonym of Turritella cingulifera G.B. Sowerby I, 1825
  • Turritella candida Reeve, 1849: synonym of Turritella gemmata Reeve, 1849
  • Turritella cingulata Sowerby, 1825[83] is a synonym of Incatella cingulata (Sowerby, 1825)[34]
  • Turritella concava Say, 1826: synonym of Terebra concava (Say, 1826)
  • Turritella congelata Adams & Reeve, 1850: synonym of Colpospira congelata (Adams & Reeve, 1850)
  • Turritella costulata Mighels & Adams, 1842: synonym of Acirsa borealis (Lyell, 1841)
  • Turritella costulata Møller, 1842: synonym of Eumetula arctica (Mørch, 1857)
  • Turritella crenulata (Donald, 1900): synonym of Colpospira joannae (Hedley, 1923)
  • Turritella erosa Couthouy, 1838: synonym of Tachyrhynchus erosus (Couthouy, 1838)
  • Turritella eschrichti Hölböll in Möller, 1842: synonym of Acirsa borealis (Lyell, 1841)
  • Turritella excavata G. B. Sowerby III, 1870: synonym of Turritella declivis Adams & Reeve in Reeve, 1849
  • Turritella flammulata Kiener, 1843-44: synonym ofTurritella ligar Deshayes, 1843
  • Turritella fortilirata G. B. Sowerby III, 1914:[84] synonym of Neohaustator fortilirata (G. B. Sowerby III, 1914)
  • Turritella gracillima Gould, 1860:[85] synonym of Turritella cingulifera G. B. Sowerby I, 1825
  • Turritella granosa Quoy & Gaimard, 1834: synonym of Opalia granosa (Quoy & Gaimard, 1834)
  • Turritella imbricata (Linnaeus, 1758): synonym of Turritella variegata (Linnaeus, 1758)
  • Turritella knysnaensis Krauss, 1848: synonym of Turritella capensis (Krauss, 1848)
  • Turritella lactea Möller, 1842: synonym of Mesalia lactea (Möller, 1842)
  • Turritella maiquetiana Weisbord, 1962: synonym of Turritella paraguanensis Hodson, 1926
  • Turritella mediolevis Verco, 1910: synonym of Colpospira mediolevis (Verco, 1910)
  • Turritella meta Reeve, 1849:[86] synonym of Turritella gemmata
  • Turritella monterosatoi Kobelt, 1887: synonym of Turritella turbona Monterosato, 1877
  • Turritella nzimaorum Ryall & Vos, 2010:[87] synonym of Turritella caelata Mörch in Dunker, 1858
  • Turritella opalina Adams & Reeve, 1850: synonym of Mesalia opalina (Adams & Reeve, 1850)
  • Turritella opulenta Hedley, 1907: synonym of Glyptozaria opulenta (Hedley, 1907)
  • Turritella paraguanensis Hodson, 1926: synonym of Turritella variegata (Linnaeus, 1758)
  • Turritella philippi Aradas, 1842: synonym of Acirsa subdecussata (Cantraine, 1835)
  • Turritella polaris Möller, 1842: synonym of Tachyrhynchus erosus (Couthouy, 1838)
  • Turritella spina Crosse & Fischer, 1864: synonym of Cingulina spina (Crosse & Fischer, 1864)
  • Turritella reticulata Mighels & Adams, 1842: synonym of Tachyrhynchus reticulatus (Mighels & Adams, 1842)
  • Turritella spirata Sowerby I, 1825: synonym of Eglisia spirata (Sowerby I, 1825)
  • Turritella symmetrica Hutton, 1873: synonym of Stiracolpus symmetricus (Hutton, 1873)
  • Turritella trisulcata Lamarck, 1822:[88] synonym of Turritella vermicularis
  • Turritella yucatecanum Dall, 1881: synonym of Turritella yucatecana (Dall, 1881)

Fossil species

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Fossil specimens of Turritella incrassata

The genus is known from the Cretaceous to the Recent periods.[89]

The shells are quite frequently found as fossils, and the carbonate stone made from large quantities of Turritella shells is often referred to as "Turritella limestone", or, if silicified, "Turritella agate". Both varieties of this stone are commonly sold as polished cabochons.

"Turritella agate"

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Turritella agate, in which the fossils are a different genus

One variety of "Turritella agate", that from the Green River Formation in Wyoming, is a fossiliferous rock which does indeed contain numerous high-spired snail shells. However, contrary to the common name, these snails are not in the marine genus Turritella, instead they are freshwater snails in the species Elimia tenera, family Pleuroceridae from the Eocene epoch.[90] The rock in which these snail shells are so abundant varies from a soft sandstone to a dense chalcedony. This dense silicified rock is popular with gem and mineral hobbyists, as well as with New Age practitioners.

Turritellenplatte

The Erminger Turritellenplatte ("Turritella plate of Ermingen") near Ulm, Germany[91] is a rocky outcrop situated in the northern part of the North Alpine Foreland Basin. It is famous for its superabundance of Turritella turris shells within its sediments[92] and dates from the Burdigalian.

References

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