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Tectus

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

Description

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.

Distribution

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

Species within the genus Tectus include:

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

References

  • Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). . 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

External links