Alcyna subangulata
A minute marine snail with a deep red, spirally striated shell.
Last updated
The species was described by Pease in 1861 and is accepted in both WoRMS and GBIF taxonomy.[1][2] A marine snail from the Trochidae family, Alcyna subangulata is classified as a gastropod mollusk living in saltwater environments.[3][1]
Scientific classification
- KingdomAnimalia
- PhylumMollusca
- ClassGastropoda
- SubclassVetigastropoda
- OrderTrochida
- FamilyTrochidae
- GenusAlcyna
- SpeciesAlcyna subangulata
Named by Pease, 1861
Close relatives
Other species of Alcyna with a Codexery entry.
- Alcyna kingensis Alcyna kingensis
Sources: Wikipedia taxobox: Alcyna subangulata (CC BY-SA 4.0) · order, family and genus agree with WoRMS AphiaID 719077 (CC BY 4.0)
Where the alcyna subangulata has been recorded
Each dot is a place where the species has been observed and reported (35 records, half-degree grid) — not a modelled range. 5 inland records left out (institution coordinates).
Map: drawn by Codexery. Data: GBIF occurrence search (records CC0 / CC BY) · Natural Earth basemap (public domain)
Quick Facts
- Shell height
- 2½ mm
- Shell diameter
- 1½ mm
- Whorls
- 4
- Color
- deep red with oblique light red flames radiating from the suture
- Distribution
- Seychelles, Mauritius, Réunion and Hawaii
Facts from the source article.
Biology and range
The shell of Alcyna subangulata is minute, solid, and ovate-turbinate in shape.[4] GBIF holds 63 occurrence records for this taxon, indicating its known distribution.[2] Raised spiral striae decorate the shell, which is narrowly perforate.[4] Numerous spiral lines cover the base of the shell.[4]
A thickened outer lip features a varix or swelling on its exterior.[4]
What the specialist sources record
The World Register of Marine Species lists Alcyna subangulata as an accepted species in the family Trochidae, order Trochida.[1] GBIF also accepts this taxon and places it in the class Gastropoda, order Trochida.[2] The species was originally described by Pease in 1861 according to both WoRMS and GBIF records.[1][2]
References
- World Register of Marine Species, Alcyna subangulata (AphiaID 719077). CC BY 4.0. marinespecies.org
- GBIF Backbone Taxonomy and occurrence index, Alcyna subangulata (taxon key 7482391). CC BY 4.0 (backbone); counts are facts. gbif.org
- Wikipedia, "Alcyna subangulata" (CC BY-SA 4.0), which cites: Bouchet, P. (2013). Alcyna subangulata Pease, 1861. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id (original not read by us) en.wikipedia.org
- Wikipedia, "Alcyna subangulata" (CC BY-SA 4.0), which cites: G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia; H. Pilsbry, Marine Mollusks of Hawaii, I-III;Proceedings of the Academy of Natural Sciences of Philadelphia v. 69 (1917); pl. XV 5, 6, 7 (original not read by us) en.wikipedia.org
Each numbered sentence above was checked against the source it cites before publication. Sentences citing Wikipedia adapt text from the English Wikipedia article Alcyna subangulata (contributors), used under CC BY-SA 4.0; this entry is available under the same licence. Other sources were used for facts only; no text or images are copied from them.
More in Marine Snails
Sources
Compiled from Wikipedia and the sources listed below. Text from Wikipedia is available under CC BY-SA 4.0; this entry is adapted from it.
- Wikipedia: Alcyna subangulata (CC BY-SA 4.0).
- Classification: the source article's taxobox; order, family and genus checked against WoRMS, the World Register of Marine Species (CC BY 4.0).
- Occurrence records: GBIF (CC0 / CC BY). Basemap: Natural Earth (public domain).
- Word definitions: the Codexery glossary, each quoted from its Wikipedia article.
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