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Tectus

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Tectus
Shell of Tectus pyramis (specimen at MNHN, Paris)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Tegulidae
Genus: Tectus
Montfort, 1810[1]
Type species
Tectus pagodalis
Montfort, 1810
Synonyms[2]
  • Pyramidea Swainson, 1840
  • Pyramis Schumacher, 1817
  • Tectus (Tectus) Montfort, 1810
  • Trochus (Tectus) Montfort, 1810

Tectus is a genus of sea snails, marine gastropod mollusks in the family Tegulidae.[2]

Description

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The shell has a pyramidal shape. Its base is flat, without false-umbilicus. The rhomboidal aperture is very oblique, angular, and wider than long. The outer lip is lirate within. The columella is very short, vertical, with a strong spiral fold, ending anteriorly in a knob or point.[3]

Distribution

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This marine genus has a wide distribution. It occurs in the Persian Gulf, the Red Sea, in the Central and East Indian Ocean and off East Africa, Oceania, Indo-China, Indo-Malaysia, the Philippines, East India, Australia (New South Wales, Northern Territory, Queensland, Western Australia), Kermadec Islands, New Caledonia, Anadaman Islands.

Species

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Species within the genus Tectus include:

Species brought into synonymy
  • Tectus concavus (Gmelin, 1791): synonym of Infundibulum concavum (Gmelin, 1791)
  • Tectus conus (Gmelin, 1791):[7] synonym of Rochia conus (Gmelin, 1791)
  • Tectus elatus (Lamarck, 1822): synonym of Rochia elata (Lamarck, 1822)
  • Tectus magnificus Poppe, 2004:[8] synonym of Rochia magnifica (Poppe, 2004)
  • Tectus maximus (Koch in Philippi, 1844): synonym of Rochia maxima (Koch, 1844)
  • Tectus niloticus (Linnaeus, 1767):[9] synonym of Rochia nilotica (Linnaeus, 1767)
  • Tectus pagodalis Montfort, 1810: synonym of Tectus mauritianus (Gmelin, 1791)
  • Tectus tentorium (Gmelin, 1791): synonym of Trochus tentorium Gmelin, 1791
  • Tectus tabidus Reeve, L.A., 1861: synonym of Tectus pyramis (Born, 1778)
  • Tectus virgatus (Gmelin, 1791):[10] synonym of Rochia virgata (Gmelin, 1791)

References

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  • Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). ISBN 0-915826-22-4. XII, 195 pp
  • Williams S.T., Karube S. & Ozawa T. (2008) Molecular systematics of Vetigastropoda: Trochidae, Turbinidae and Trochoidea redefined. Zoologica Scripta 37: 483–506
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