| Alvania portentosa | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | A. portentosa |
| Binomial name | |
| Alvania portentosa Rolán & Hernández, 2007 [1] | |
Alvania portentosa is a species of minute sea snail, a marine gastropod mollusc or micromollusc in the family Rissoidae. [2]
The length of the shell attains 1.8 mm.
 | This section needs expansion. You can help by adding to it. (January 2024) |
This species occurs in the Atlantic Ocean off São Tomé and Príncipe
Alvania alboranensis is a species of minute sea snail, a marine gastropod mollusc or micromollusc in the family Rissoidae.
Alvania cabrensis is a species of minute sea snail, a marine gastropod mollusc or micromollusc in the family Rissoidae.
Alvania denhartogi is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania franseni is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania garrafensis is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania gascoignei is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania gemina is a species of minute sea snail, a marine gastropod mollusc or micromollusc in the family Rissoidae.
Alvania hoeksemai is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania jacquesi is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania nicolauensis is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania paatsi is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania peli is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania planciusi is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania stocki is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania vanegmondi is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania wareni is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.
Crisilla is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.
Manzonia is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.
Onoba is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.