Hexaplex regius
species of mollusc
Hexaplex regius, common name: the regal murex, is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
Description
The size of the adult shell varies between 60 mm and 180 mm. External colors are white with occasional brownish spiral stripes, which on some specimens may be absent. The colors of the aperture, or opening of the shell is pink at the edges and the glossy shield over the columella. At the top and some of the left side of the shield, the pink merges into a dark chocolate-brown staining, ending at the posterior canal. Further inside, the shell fades into a porcelain-white with faint, pink tinting. The siphonal canal is a mixture of pink and light brown.
The sculpture overall is both described as prickly and frond-like; the spines are numerous and scaly. In between spine rows, the shell is lirate.
Distribution
This species occurs in the Pacific Ocean between Baja California and Peru (but not along the Galapagos Islands).
“Hexaplex regius” enters the record as species of mollusc. Crown Archives preserves that source wording while asking what Hexaplex, regius and species can confirm, complicate or overturn.
Why this record matters
“Hexaplex regius” is worth following because a concise public description often conceals a longer documentary argument. Here, Hexaplex, regius and species provides the most credible route into that argument.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Jul 25, 2026. The linked authority identifier is Q5748898. None of the 0 selected statements returned an explicit reference.
A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Hexaplex regius” 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.