 | This taxon may be invalid(unaccepted).(Jan 2019) |
| Rissoina oryza | |
|---|---|
 | |
| Original drawing of a shell of Rissoina oryza | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Family: | Rissoinidae |
| Genus: | Rissoina |
| Species: | R. oryza |
| Binomial name | |
| Rissoina oryza Garrett, 1873 | |
Rissoina oryza is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoinidae. [1]
The height of the small, white shell attains 2 mm. The shell has an oblong-ovate shape. It is solid, smooth, and shining. The spire is moderately elevated, and rather rapidly tapering. The apex is obtuse. The 6-7 whorls are flatly convex. The body whoprl is rather large and slightly compressed beneath. The suture is faintly impressed and broadly margined beneath. The rather large aperture is oblique and has a sub-ovate shape. The thick peristome is dilated. The columella is oblique. [2]
This species occurs in the Red Sea and in the South Pacific off the Fiji Islands.
Collonista verruca is a species of sea snail, a marine gastropod mollusc in the family Colloniidae.
Carinapex minutissima is a species of sea snail, a marine gastropod mollusk in the family Horaiclavidae.
Carinapex papillosa is a species of sea snail, a marine gastropod mollusk in the family Horaiclavidae.
Daphnella ornata is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Eucyclotoma fusiformis is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Pseudodaphnella punctifera is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Kermia daedalea is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Clavus pusilla is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
Phasianella solida, common name the solid pheasant, is a species of sea snail, a marine gastropod mollusk in the family Phasianellidae.
Ocenebra subangulata is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
Clelandella miliaris is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Vaceuchelus scrobiculatus is a species of sea snail, a marine gastropod mollusc in the family Chilodontaidae.
Stomatella modesta is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Hiloa variabilis, common name the minute pheasant, is a species of small sea snail with calcareous opercula, a marine gastropod mollusk in the family Phasianellidae, the pheasant snails.
Minolops pulcherrima is a species of sea snail, a marine gastropod mollusk in the family Solariellidae.
Alcyna subangulata is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Ethalia sanguinea is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top-snails.
Eucithara abbreviata is a small sea snail, a marine gastropod mollusk in the family Mangeliidae.
Pseudodaphnella tincta is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Alvania crystallina is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.