| Tonna sulcosa | |
|---|---|
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| Five views of a shell of Tonna sulcosa | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Family: | Tonnidae |
| Genus: | Tonna |
| Species: | T. sulcosa |
| Binomial name | |
| Tonna sulcosa | |
| Synonyms [2] | |
| |
Tonna sulcosa, common name banded tun, is a species of large sea snail, a marine gastropod mollusk in the family Tonnidae, the tun shells. [2]
Shells of Tonna sulcosa usually can reach a length of 50–125 millimetres (2.0–4.9 in), with a maximum of 153 millimetres (6.0 in). [3] [4] These medium-sized shells are quite strong, oval-globose, with 4 -5 moderately convex turns and flat ridges. The aperture is large, semi-circular, with reflected lip and long, sharp teeth.
The shell surface is white with 3 - 5 wide brown bands. [5]
Thin shell is ovate and ventricose. Its ground color is whitish, with four or five distinct bands of a reddish fawn-color, rarely continued to the outer lip. There is only one upon the two whorls next above the lowest. The spire is brown at top, and is formed of six convex whorls, encircled by projecting, pretty narrow, equal, approximate, flattened ribs, a little more distant towards the upper part..They are separated by shallow furrows. Two of the upper whorls are chequered as it were by intersections of striae. The suture is a little flattened, and slightly channeled. The ovate aperture is white, colored with red at the bottom. The outer lip is arcuated, and presents externally a projecting margin, which is crenulated outwardly by the jutting of the ribs, undulated externally, and dentated within. The columella is twisted. And upon some specimens are observed several crenulations towards the base of the inner lip which partially covers the umbilicus. The periostracum is thin and reddish. [6]
This species is widespread in the tropical Indo-West Pacific region - from the Red Sea and the Indian Ocean to the Indo-China, the Philippines and Australia (Queensland and Western Australia). [2] [7] [3] [4]
These benthic gastropods live on sandy bottoms in tropical environment at depths of 10 to 70 m. [4]
Embryos develop into free-swimming planktonic marine larvae (trochophore) and later into juvenile veligers. [4]
Tonna is a genus of large sea snails, marine gastropod molluscs in the family Tonnidae, the tun or cask shells.
Tonna dolium, common name the spotted tun, is a species of large sea snail or tun snail, a marine gastropod mollusc in the family Tonnidae, the tun shells.
Tonna perdix, common name the partridge tun, is a species of very large sea snail, a marine gastropod mollusc in the family Tonnidae, the tun shells.
Conus circumcisus, common names the circumcision cone or the auger cone, the borer shell, or the leader cone, is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.
Conus pennaceus, common name the feathered cone or the episcopal cone, is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.
Conus planorbis, its common name being the planorbis cone or the ringed cone, is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.
Lunella cinerea, common name the smooth moon turban, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.
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.
Agathistoma fasciatum is a species of sea snail, a marine gastropod mollusk in the family Tegulidae.
Pseudovertagus aluco, common name aluco vertagus or Cuming's cerith, is a species of sea snail, a marine gastropod mollusk in the family Cerithiidae, the ceriths.
Malea pomum, common name the Pacific grinning tun, is a species of large sea snail, a marine gastropod mollusk in the family Tonnidae, the tun shells.
Tonna allium, common name the costate tun, is a species of large sea snail, a marine gastropod mollusk in the family Tonnidae, the tun shells.
Tonna boucheti is a species of large sea snail, a marine gastropod mollusk in the family Tonnidae, the tun shells.
Tonna morrisoni is a species of large sea snail, a marine gastropod mollusk in the family Tonnidae, the tun shells.
Tonna oentoengi is a species of large sea snail, a marine gastropod mollusk in the family Tonnidae, the tun shells.
Tonna tessellata, the mosaic tun, tessellate tun or maculated tun, is a species of large sea snail, a marine gastropod mollusk in the family Tonnidae.
Tonna chinensis, common name : the China tun, is a species of large sea snail, a marine gastropod mollusk in the family Tonnidae, the tun shells.
Phorcus turbinatus, common name the turbinate monodont, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Vasum muricatum, common name the Caribbean vase, is a species of medium to large sea snail, a marine gastropod mollusk in the family Turbinellidae.
Tonna variegata, commonly known as the variegated tun, is a species of marine gastropod mollusc in the family Tonnidae.
