| Protoma Temporal range: | |
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| Fossil of Protoma cathedralis | |
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| Genus: | Protoma Baird, 1870 |
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Protoma is a genus of sea snails, marine gastropod mollusks in the family Turritellidae. [1]
Extant species within the genus Protoma include:
Fossils of sea snails within this genus have been found in sediments of Europe, South Africa, India, and Pakistan from Oligocene to Quaternary (age range: 28.4 to 0.012 million years ago). [3]
Turritella is a genus of medium-sized sea snails with an operculum, marine gastropod mollusks in the family Turritellidae.
Trimusculus is a genus of medium-sized air-breathing sea snails or false limpets, marine pulmonate gastropod molluscs in the family Trimusculidae.
Turritellidae, common name the "tower shells" or "tower snails", is a taxonomic family of small to medium-sized sea snails, marine gastropod molluscs in the clade Sorbeoconcha.
Cassis, common name the helmet shells, is a genus of very large sea snails, marine gastropod mollusks in the family Cassidae, the helmet shells and their allies. This is the type genus of the subfamily Cassinae.
Helcion is a genus of sea snails, true limpets, marine gastropod mollusks in the family Patellidae.
Bullia is a genus of sea snails, marine gastropod mollusks in the family Nassariidae, the Nassa mud snails or dog whelks.
Tricolia is a genus of sea snails, marine gastropod mollusks in the family Phasianellidae.
Cinysca is a genus of sea snails, marine gastropod mollusks in the family Areneidae.
Prunum is a genus of sea snails, marine gastropod mollusks in the family Marginellidae, the margin snails.
Reishia is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.
Vaughtia is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.
Athleta is a genus of sea snails, marine gastropod mollusks in the family Volutidae.
Hybochelus is a genus of sea snails, marine gastropod mollusks in the family Chilodontaidae.
Oxystele is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails. Although previously suggested as a subgenus of Diloma, genetic analysis has shown it to be more appropriate as its own genus.
Stomatella is a genus of small to medium-sized sea snails, marine gastropod mollusks in the family Trochidae, the top snails and their allies.
Protoma knockeri is a species of sea snail, a marine gastropod mollusk in the family Turritellidae.
Turritella capensis, common name the waxy screw shell, is a species of sea snail, a marine gastropod mollusk in the family Turritellidae.
Alaba is a genus of sea snails, marine gastropod mollusks in the family Litiopidae.
Diala is a genus of sea snails, marine gastropod mollusks in the family Dialidae.
Supplanaxis is a genus of small sea snails, marine gastropod mollusks in the family Planaxidae.