| Semilaoma laevis | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Punctidae |
| Genus: | Semilaoma |
| Species: | S. laevis |
| Binomial name | |
| Semilaoma laevis Shea & Griffiths, 2010 [1] | |
 | |
| Location of Lord Howe Island | |
Semilaoma laevis, also known as the smooth pinhead snail, is a tiny species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea. [2]
The depressedly turbinate shell of the mature snail is 0.7–0.8 mm in height, with a diameter of 1.2–1.3 mm, and a low spire. It is pale yellow to white in colour. The whorls are rounded. The sutures are impressed, with closely-spaced radial ribs. It has a roundly lunate aperture, and a narrowly open umbilicus. The animal is unknown. [2]
The snail is common and widespread across the island, living in lowland forest, rainforest and scrub. [2]
Monterissa gowerensis, also known as the Lord Howe microturban, is a species of minute cave snails with an operculum, gastropod mollusks in the family Hydrocenidae.
Opinorelia is a monotypic genus of palmleaf snails that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Gyropena is a genus of two species of tiny pinwheel snails that are endemic to Australia's Lord Howe Island in the Tasman Sea.
Pseudocharopa ledgbirdi, also known as the Mount Lidgbird pinwheel snail or the Mount Lidgbird charopid snail, is a species of pinwheel snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Pseudocharopa whiteleggei, also known as Whitelegge's pinwheel snail or Whitelegge's land snail, is a species of pinwheel snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Innesoconcha aberrans, also known as the black face glass-snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Melloconcha rosacea, also known as the tiny rosy glass-snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Allenella belli, also known as the beautiful pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Charopinesta sema, also known as the Blackburn Island pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island group in the Tasman Sea.
Goweriana is a monotypic genus of pinhead or dot snails that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Paralaoma compar, also known as the ribbed pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Paralaoma goweri, also known as the mountain pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Paralaoma innesi, also known as Innes' pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Pernastela charon, also known as the lowland forest pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Pernastela gnoma, also known as the dwarf pinhead snail, is a tiny species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Pernastela howensis, also known as the Lord Howe pinhead snail, is a tiny species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Semilaoma is a genus of three pinhead or dot snail species that are endemic to Australia's Lord Howe Island in the Tasman Sea.
Semilaoma lidgbirdensis, also known as the Mount Lidgbird pinhead snail, is a tiny species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Semilaoma costata, also known as the coarse-ribbed pinhead snail, is a tiny species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Gyropena minuta, also known as the Mount Gower pinwheel snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the pinwheel snail family, that is endemic to Australia's Lord Howe Island in the Tasman Sea.