Ranella
genus of molluscs
Ranella is a genus of large warm-water and tropical sea snails, marine gastropod molluscs in the family Ranellidae, the tritons.
Shell description
The shells of species within this genus are very large and solid, with a tall spire, a rounded aperture, a broadly flanged outer lip, and a moderately long siphonal canal, which is flexed and inclined to the left. The varices are prominent and rounded, but are hollowed out on the inside.
Species
Species within the genus Ranella include:
Ranella australasia (Perry, 1811)
† Ranella bellardii (Weinkauff, 1868)
Ranella gemmifera (Euthyme, 1889)
†Ranella kaiparaensis (Finlay, 1924)
Ranella olearium Linnaeus, 1758
Synonyms
Ranella reticularis (Linnaeus, 1758) sensu Deshayes, 1839: synonym of Ranella olearium (Linnaeus, 1758)
References
Lamarck J.B. (1816). Liste des objets représentés dans les planches de cette livraison. In: Tableau encyclopédique et méthodique des trois règnes de la Nature. Mollusques et Polypes divers. Agasse, Paris. 16 pp.
Schumacher, C.F. 1817.
The public source identifies “Ranella” as genus of molluscs. This brief keeps that definition visible, then builds a research path around Ranella, genus and molluscs.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Ranella”, the useful work is to connect “genus of molluscs” to the records capable of establishing context and consequence.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated May 22, 2026. The linked authority identifier is Q1304134. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1811, 1868, 1889 and 1924.
A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.
Three-step research path
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This entry incorporates text from “Ranella” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.