| Elachorbis tatei | |
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| Ventral view of a shell of Elachorbis tatei | |
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| Species: | E. tatei (Angas, 1878) |
| Binomial name | |
| Elachorbis tatei | |
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Elachorbis tatei is a species of minute sea snail with an operculum, a marine gastropod mollusk in the family Tornidae. [1]
This species can be found along the coast of Western Australia and South Australia in shallow waters and in depths up to 150 fathoms (or 275 m).
The small shell varies in thickness. It possesses two coarse, spiral keels (a spiral ridge usually marking a change of slope in the outline of the shell) that can vary in strength or even be obsolete. The shell has a wide perspective umbilicus, and a discontinuous peristome.
The operculum, meaning little lid, is a corneous or calcareous anatomical structure like a trapdoor which exists in many groups of sea snails and freshwater snails, and also in a few groups of land snails; the structure is found in some marine and freshwater gastropods, and in a minority of terrestrial gastropods, including the families Helicinidae, Cyclophoridae, Aciculidae, Maizaniidae, Pomatiidae, etc.
The umbilicus of a shell is the axially aligned, hollow cone-shaped space within the whorls of a coiled mollusc shell. The term umbilicus is often used in descriptions of gastropod shells, i.e. it is a feature present on the ventral side of many snail shells, including some species of sea snails, land snails, and freshwater snails.
The gastropod shell is part of the body of a gastropod or snail, a kind of mollusc. The shell is an exoskeleton, which protects from predators, mechanical damage, and dehydration, but also serves for muscle attachment and calcium storage. Some gastropods appear shell-less (slugs) but may have a remnant within the mantle, or the shell is reduced such that the body cannot be retracted within (semi-slug). Some snails also possess an operculum that seals the opening of the shell, known as the aperture, which provides further protection. The study of mollusc shells is known as conchology. The biological study of gastropods, and other molluscs in general, is malacology. Shell morphology terms vary by species group. An excellent source for terminology of the gastropod shell is "How to Know the Eastern Land Snails" by John B. Burch now freely available at the Hathi Trust Digital Library.
Phenatoma rosea, or the pink tower shell, is a species of predatory sea snail, a marine gastropod mollusc in the family Borsoniidae.
Elachorbis is a genus of minute sea snails or micromolluscs, marine gastropod molluscs in the family Tornidae.
Bulla quoyii, or the brown bubble snail, is a species of sea snail, a marine gastropod mollusc in the family Bullidae, the bubble snails.
Cantharidus opalus, common name the opal top shell or in the Maori language matangongore, is a species of large sea snail, a marine gastropod mollusc in the family Trochidae, the top snails.
The blacklip abalone, Haliotis rubra, is an Australian species of large, edible sea snail, a marine gastropod mollusk in the family Haliotidae, the abalones.
Pseudodaphnella philippinensis, common name the Philippine turrid, is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Veprecula vepratica is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Haliotis diversicolor, common name the variously coloured abalone, is a species of sea snail, a marine gastropod mollusk in the family Haliotidae, the abalones.
Lunella torquata, common name the twisted necklace, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.
Turbo gruneri, common name the Gruner's turban, is a species of sea snail, marine gastropod mollusk in the family Turbinidae.
Calliostoma spectabile is a species of relatively large deepwater sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Stomatella auricula, common name the false ear shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Otopleura mitralis, common name the miter pyram, is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Cantharidus antipodum is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Roseaplagis rufozona is a species of sea snail in the family Trochidae, the top snails.
Bankivia fasciata, common name the banded kelp shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Leiopyrga lineolaris, common name the lined kelp shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
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