Gem topsnail

Weight

Not recorded

Length

Not recorded

Lifespan

Not recorded

Main food

Not recorded

Habitat

Not recorded

Young per litter or clutch

Not recorded

Conservation status

Not recorded

Countries on record

Not recorded

Not recorded

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

1. kingdomAnimalia
2. phylumMollusca
3. classGastropoda
4. orderTrochida
5. familyCalliostomatidae
6. genusCalliostoma
7. SpeciesCalliostoma gemmulatum P. P. Carpenter, 1864

Synonyms Calliostoma formosum, Margarites keepi

Catalogue of Life

CompareGem topsnail vs Painted topsnailGem topsnail vs Shining top shellGem topsnail vs Boreal topsnailGem topsnail vs Granulated topshell

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  Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
• Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
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• Environment Agency freshwater fish surveys (National Fish Populations Database) · OGL v3.0 · 2026-11-14
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@misc{gem_topsnail_2026,
  title = {Gem topsnail (Calliostoma gemmulatum)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/gem-topsnail},
  note = {Data as of 2026-11-14}
}