| Tectus | |
|---|---|
 | |
| Shell of Tectus pyramis (specimen at MNHN, Paris) | |
Scientific 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] | |
| |
Tectus is a genus of sea snails, marine gastropod mollusks in the family Tegulidae. [2]
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]
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 within the genus Tectus include:
Gari is a genus of bivalve molluscs in the family Psammobiidae, known as sunset shells.
Trochus is a genus of medium-to large-sized, top-shaped sea snails with an operculum, of the family Trochidae, the top snails.
Thais, sometimes known by the common names dog winkles or rock shells, is a genus of medium to large predatory sea snails with an operculum, marine gastropod mollusks in the family Muricidae.
Clanculus is a genus of sea snail, marine gastropod molluscs of the family Trochidae, the top shells.
Polinices is a genus of predatory sea snails, marine gastropod molluscs in the subfamily Polinicinae of the family Naticidae, commonly known as moon snails.
Crepidula, commonly known as the slipper snails, slipper limpets, or slipper shells, is a genus of sea snails, marine gastropod mollusks in the family Calyptraeidae. This family includes the slipper snails (Crepidula), hat snails (Calyptraea), spiny slipper snails (Bostrycapulus), and cup-and-saucer snails (Crucibulum) as well as Crepipatella, Siphopatella, Grandicrepidula, and Maoricrypta.
Angaria is a genus of sea snails, marine gastropod mollusks in the family Angariidae. Angaria is the only genus in the family Angariidae.
Cassis, common name the helmet shells, is a genus of very large sea snails, marine gastropod mollusks in the family Cassidae, the helmet shells and their allies. This is the type genus of the subfamily Cassinae.
Voluta is a genus of medium to large sea snails, marine gastropod molluscs in the family Volutidae, the volutes.
Phos is a genus of sea snails, marine gastropod mollusks in the family Nassariidae.
Rochia conus, common name the cone top shell, is a species of sea snail, a marine gastropod mollusk in the family Tegulidae.
Tectus pyramis, common name the pyram top shell, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.
Capulus is a genus of small sea snails, marine gastropod mollusks in the family Capulidae, the cap snails.
Rochia elata is a species of sea snail, a marine gastropod mollusk in the family Tegulidae.
Tegulidae is a family of small to large sea snails, marine gastropod mollusks in the superfamily Trochoidea.
Hemiconus is an extinct genus of sea snails, marine gastropod mollusks, in the family Conidae the cone snails and their allies.
Eopleurotoma is an extinct genus of sea snails, marine gastropod mollusks in the family Turridae, the turrids.
Striarca is a genus of bivalves belonging to the family Noetiidae.
Rochia is a genus of sea snail, a marine gastropod mollusk in the family Tegulidae.
