Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Mollusca > Class Gastropoda > Subclass Vetigastropoda > Order Trochida > Superfamily Trochoidea > Family Calliostomatidae > Subfamily Calliostomatinae > Genus Calliostoma

Calliostoma occidentale (Mighels & C. B. Adams, 1842)

Rank: Species
Taxon Status: accepted

Relationships towards this taxon

Genus group names

*Calliostoma*	Swainson, 1840	accepted genus name
*Conulus*	Nardo, 1841	objective synonym
*Zizyphinus*	[sic]	orthographic variant
*Trochus (Calliostoma)*	Swainson, 1840	synonym
*Trochus (Ziziphinus)*	Gray, 1842	synonym
*Trochus (Zizyphinus)*	J. E. Gray, 1847	synonym
*Ziziphinus*	J. E. Gray, 1842	synonym

Species group names

*Trochus formosus*	McAndrew & Forbes, 1847	junior homonym
*Calliostoma formosum*	(McAndrew & Forbes, 1847)	synonym
*Margarita alabastrum*	Lovén, 1846	synonym
*Trochus alabastrum*	(Lovén, 1846)	synonym
*Trochus occidentalis*	Mighels & C. B. Adams, 1842	synonym
*Trochus occidentalis var. pura*	Jeffreys, 1865	synonym

Vernaculars (+) (-)

English: boreal topsnail; pearly topsnail sources: North-West Atlantic Ocean species (NWARMS);Cole, T. C. H. (2017). Wörterbuch der Wirbellosen / Dictionary of Invertebrates. Latein-Deutsch-English. 2017. Springer Spektrum: Berlin. ISBN 978-3-662-52869-3. XII, 574 pp.

German: Boreale Kreiselschnecke; Perlkreiselschnecke sources: Cole, T. C. H. (2017). Wörterbuch der Wirbellosen / Dictionary of Invertebrates. Latein-Deutsch-English. 2017. Springer Spektrum: Berlin. ISBN 978-3-662-52869-3. XII, 574 pp.

Norwegian Bokmål: perlemorkjeglesnegl sources: PESI (A Pan-European Species directories Infrastructure) focal points

Norwegian Nynorsk: perlemorkjeglesnigel

Literature

additional source	Nolf, F.; Hubrecht, S. (2023). A commented list of the white, mainly deep-water calliostomatids (Mollusca: Gastropoda) in the East Atlantic waters. Neptunea. 17 (1): 23-40.
additional source	Trott, T. J. (2004). Cobscook Bay inventory: a historical checklist of marine invertebrates spanning 162 years. Northeastern Naturalist. 11, 261-324.
additional source	Rosenberg, G. 2004. Malacolog Version 3.3.2: Western Atlantic gastropod database. The Academy of Natural Sciences, Philadelphia, PA.
additional source	Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. Canadian Special Publication of Fisheries and Aquatic Sciences, 126. 405 pp.

Genbank

Citation

MolluscaBase eds. (2025). MolluscaBase. Calliostoma occidentale (Mighels & C. B. Adams, 1842). Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:141765