| Photinastoma | |
|---|---|
 | |
| Photinasta taeniatum | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Calliostomatidae |
| Genus: | Photinastoma Powell, 1951 |
Photinastoma is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies. [1]
Unlike the other genera in the family Calliostomatidae, the genus Photinastoma has almost smooth shells, lacking the beaded sculpture. The protoconch is large. There are some strong spiral cords in the early teleoconch. [2]
Species within the genus Photinastoma include: [1]
Calliostomatidae is a family of sea snails within the superfamily Trochoidea and the clade Vetigastropoda.
Visayaseguenzia is a genus of sea snails, marine gastropod mollusks in the family Seguenziidae.
Dactylastele is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae.
Falsimargarita is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae.
Fautrix is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae.
Selastele is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae.
Venustatrochus is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae.
Calliostomatinae is a subfamily of gastropods, belonging to the family Calliostomatidae.
Astelena is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.
Carinator is a monotypic genus of sea snails, marine gastropod mollusks in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.
Dymares is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.
Fluxina is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.
Neocalliostoma is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.
Sinutor is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.
Tropidotrochus is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.
Xeniostoma is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.
Photinastoma taeniatum is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Maurea is a genus of sea snails, marine gastropod mollusks, in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.
Phenacomargarites is a genus of sea snails, marine gastropod mollusks, in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.
Falsimargarita coriolis is a species of sea snail, a marine gastropod mollusk, in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.