Microvoluta royana is a species of small sea snail, a marine gastropod mollusk in the family Volutomitridae.[1]
| Microvoluta royana | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Family: | Volutomitridae |
| Genus: | Microvoluta |
| Species: | M. royana
|
| Binomial name | |
| Microvoluta royana Iredale, 1924
| |
| Synonyms[1] | |
|
Mitra jervisensis Laseron, 1951 | |
Description
editShell with spire straight sided or slightly convex, whorls rounded, aperture about one-third of total shell length. Sculptured with fine spiral grooves over the whole surface, 20–25 on body whorl. Axial sculpture of growth striae, or poorly defined axial ribs. Columella with four strong plaits, the two uppermost stronger. Outer lip constricted towards base, sinuous in profile, usually lirate deep within aperture. Colour whitish to fawn, with irregular axial zigzag streaks and brown blotches.
Distribution
editThis species is endemic to Australia; Fraser Island, Queensland, to Lakes Entrance, Victoria.
Size
editThe shell of this species is up to 12 mm in length.
Habitat
editKnown from 14–143 metres. Uncommon.
Comparison
editThis species is similar to M. australis, but differs by having the aperture about one-third of shell length, more prominent spiral sculpture, and the outer lip constricted at the base.
References
edit- ^ a b Microvoluta royana Iredale, 1924. Retrieved through: World Register of Marine Species on 25 April 2010.
External links
edit