Acrilla
genus of molluscs

Acrilla is a genus of predatory sea snails, marine prosobranch gastropod mollusks in the family Epitoniidae. They are commonly known as wentletraps.
Species
Acrilla acuminata (G. B. Sowerby II, 1844)
† Acrilla affinis (Deshayes, 1861)
† Acrilla constantinensis Cossmann & Pissarro, 1902
† Acrilla crebrilamellata (Tate, 1890)
† Acrilla cuisensis de Boury, 1887
† Acrilla desertorum (Wanner, 1902)
† Acrilla deslongchampsi (de Raincourt & Munier-Chalmas, 1863)
† Acrilla essomiensis de Boury, 1887
† Acrilla fayellensis de Boury, 1887
† Acrilla fourtaui Cossmann, 1901
† Acrilla gallica de Boury, 1887
† Acrilla grignonensis (Cossmann, 1888)
† Acrilla lamberti (Deshayes, 1861)
† Acrilla leptalea (Tate, 1893)
Acrilla minor (G. B. Sowerby II, 1873)
† Acrilla miobronni (Sacco, 1891)
† Acrilla perangusta (de Boury, 1913)
† Acrilla phoenix (de Boury, 1913)
† Acrilla praedecussata de Boury, 1912
† Acrilla reticulata (Solander in Brander, 1766)
† Acrilla semicostata (J. Sowerby, 1814)
Synonyms
Acrilla adenensis Jousseaume, 1912: synonym of Acrilla minor (G. B. Sowerby II, 1873) (junior subjective synonym)
Acrilla analogica Barnard, 1963: synonym of Plastiscala analogica (Barnard, 1963) (original combination)
Acrilla cophinodes (Melvill, 1904): synonym of Epitonium cophinodes (Melvill, 1904)
† Acrilla decussata (Lamarck, 1804) : synonym of † Amaea decussata (Lamarck, 1804)
Acrilla gracilis H. Adams, 1860: synonym of Scalaria minor G. B. Sowerby II, 1873: synonym of Acrilla minor (G. B. Sowerby II, 1873) (invalid: junior secondary homonym of Scalaria gracilis G.B. Sowerby II, 1844; Scalaria minor G. B. Sowerby II, 1873 is a replacement name.)
Acrilla hedleyi (de Boury, 1912): synonym of Amaea hedleyi (de Boury, 1912) (superseded combination)
† Acrilla kaiparaensis Laws, 1944: synonym of † Cylindriscala kaiparaensis (Laws, 1944) (original combination)
Acrilla natalis Barnard, 1963: synonym of Amaea natalis (Barnard, 1963)
Acrilla recreata (de Boury, 1919): synonym of Epitonium kraussi (Nyst, 1873)
Acrilla thalia Bartsch, 1915: synonym of Acrilla minor (G. B. Sowerby II, 1873) (junior synonym)
† Acrilla weigandi (Böse, 1910) : synonym of † Amaea ferminiana (Dall, 1908)
References
External links
Adams, H. (1860). Description of a new genus and species of mollusk. Proceedings of the Zoological Society of London. 28 (1860): 241–242
Sacco, F. (1890). Catalogo paleontologico del bacino terziaro del Piemonte. Bollettino della Società Geologica Italiana. 8(3): 281–356; 9(2): 185–340
Brown L.G. & Neville B.D. (2015). Catalog of the recent taxa of the families Epitoniidae and Nystiellidae (Mollusca: Gastropoda) with a bibliography of the descriptive and systematic literature.
Begin with the source’s own compact description: “Acrilla” is genus of molluscs. The dossier treats that line as a proposition to test through Acrilla, genus and molluscs, not as a finished interpretation.
Why this record matters
The phrase “genus of molluscs” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated May 18, 2026. The linked authority identifier is Q47297179. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1844, 1861, 1902 and 1890.
Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. 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.
How to read it
Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.
- Current terminology
- Classification context
- Finding cited technical literature
Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.
Three-step research path
- Establish the record: confirm the title “Acrilla”, its source revision and the description used here.
- Expand the search: follow Acrilla primary sources, Acrilla archive and Acrilla research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Acrilla”?
- Has classification or technical consensus changed since the cited source?
- Is the terminology current, historical or disputed?
Search terms from this dossier
This entry incorporates text from “Acrilla” 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.