Alabama vertigo
species of mollusc
The Alabama vertigo (Vertigo alabamensis) is a species of land snail in the family Vertiginidae, the whorl snails.
Description
The length of the shell attains 1.8 mm, its diameter 1 mm.
(Original description) The convex shell is cylindric-oval and perforate. The sutures are well impressed. The body whorl is somewhat tapering below, bulging above, and deeply constricted over the palatal folds. The crest is well
marked. The outer lip well is reflected, pale brown, and deeply constricted opposite the upper palatal, simple above the constriction, and with a strong callous or internal collar running down and connecting with the columella. It contains seven denticles. The parietal is high, sinuous and deeply entering. Angular strong, flat.
This brief starts where responsible research should: with the source description of “Alabama vertigo” as species of mollusc. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the science & nature register because the source frames it as species of mollusc. Its deeper value depends on whether names, dates, institutions and citations support that framing.
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 21, 2026. The linked authority identifier is Q3073397. None of the 0 selected statements returned an explicit reference.
Scientific names, classifications and consensus can change while older terminology persists in catalogues and historical literature. 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 “Alabama vertigo”, its source revision and the description used here.
- Expand the search: follow Alabama vertigo primary sources, Alabama vertigo archive and Alabama 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 “Alabama vertigo”?
- Which observation, specimen, dataset or publication supports the account?
- Is the terminology current, historical or disputed?
Search terms from this dossier
This entry incorporates text from “Alabama vertigo” 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.