Biology:Rictaxis: Difference between revisions
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Short description: Genus of gastropods
| Rictaxis | |
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| Rictaxis punctocaelatus shells | |
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| Genus: | Rictaxis Dall, 1871[1]
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Rictaxis is a genus of minute sea snails or "bubble snails", marine gastropod mollusks or micromollusks in the family Acteonidae, the "barrel bubble" snails.[2]
The genus name is derived from Latin words, meaning “open mouth”, and “axis” referring to the columella.
Species
Species within the genus Rictaxis include:
- Rictaxis albus (Sowerby, 1873)
- Rictaxis painei (Dall, 1903)
- Rictaxis punctocaelatus (Carpenter, 1864)
- Rictaxis sanguinea Valdès, 2008
- Species that have been synonymized
- Rictaxis punctostriatus : synonym of Japonactaeon punctostriatus (C. B. Adams, 1840)
- Rictaxis albus Sowerby, 1873
- Distribution : South Africa
- Length : 10–21 mm
- Description white shell with numerous spiraling white to lightbrown grooves
- Rictaxis painei Dall, 1903
- Distribution : America
- Rictaxis punctocaelatus Carpenter, 1864 Barrel shell; Carpenter's baby bubble (synonym: Acteon punctocaelatus Carpenter, 1864)
- Distribution : Southern Alaska, British Columbia, California
- Length : 10–20 mm
- Description : found in sand from lowtide line to depths up to 50 m; evenly elliptical shell with alternating darker brown and grayish-brown bands; outer lip and columellar folds are whitish; large spire; ovate columella strongly twisted, with a pointed posterior notch and a rounded base.
References
- ↑ Dall (1871). Amer. J. Conch. 7: page 136.
- ↑ WoRMS (2011). Rictaxis Dall, 1871. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=160472 on 2011-12-14
Wikidata ☰ Q3171126 entry
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