Anatoma conica
Creators
Description
Anatoma conica (d´Orbigny, 1841)
Fig. 2C
Scissurella conica d´Orbigny, 1841: 470, pl. 78, figs. 7–9
Scissurella supraplicata — Melvill & Standen, 1912: 119 (non Smith, 1875).
Anatoma conica — Zelaya & Geiger, 2007: 396, figs. 1–15 (synonymy and protoconch)
Examined material. 1 an. (MACN-In 40662).
Description. Shell width to 1.6 mm (up to 1.8 mm according to Zelaya & Geiger 2007); trochiform, delicate. Protoconch of 1 convex whorl; apex partially sunken. Teleoconch of up to 2.5 whorls, slightly convex in outline. Suture deep, slightly channeled. Surface white; sculptured with about 25 prosocline, strong axial ribs at
penultimate whorl and weak spiral cords. In addition, 2 stronger spiral cords delimiting selenizone. Umbilicus open. Operculum rounded, multispiral; pale brown, translucent.
Notes
Files
Files
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Linked records
Additional details
Identifiers
Biodiversity
- Family
- Scissurellidae
- Genus
- Anatoma
- Kingdom
- Animalia
- Order
- Archaeogastropoda
- Phylum
- Mollusca
- Scientific name authorship
- d'Orbigny
- Species
- conica
- Taxon rank
- species
- Taxonomic concept label
- Anatoma conica (d'Orbigny, 1841) sec. Luca & Zelaya, 2019
References
- Melvill, J. C. & Standen, R. (1912) The marine Mollusca of the Scottish National Antarctic Expedition. Part 2. Transactions of the Royal Society of Edinburgh, 48, 105 - 140, 1 pl.
- Smith, E. A. (1875) Descriptions of some new shells from Kerguelen's Island. Annals and Magazine of Natural History, Series 4, 16 (91), 67 - 73. https: // doi. org / 10.1080 / 00222937508681123
- Zelaya, D. G. & Geiger, D. (2007) Species of Scissurellidae and Anatomidae from Sub-Antarctic and Antarctic waters (Gastropoda: Vetigastropoda). Malacologia, 49 (2), 393 - 443. https: // doi. org / 10.4002 / 0076 - 2997 - 49.2.393