{{Short description|Genus of gastropods}} {{Automatic_taxobox | image = Naturalis Biodiversity Center - RMNH.MOL.229028 - Rictaxis punctocaelatus (Carpenter, 1864) - Acteonidae - Mollusc shell.jpeg | image_caption = ''Rictaxis punctocaelatus'' shells | taxon = Rictaxis | authority = Dall, 1871<ref>Dall (1871). ''Amer. J. Conch.'' '''7''': page 136.</ref> |synonyms= * ''Actaeon (Rictaxis)'' <small>Dall, 1871</small> superseded rank * † ''Actaeonidea'' <small>Gabb, 1873</small> junior subjective synonym * ''Acteon (Rictaxis)'' <small>Dall, 1871</small> superseded rank }}
'''''Rictaxis''''' is a genus of minute sea snails or "bubble snails", marine gastropod mollusks or micromollusks in the family Acteonidae, the "barrel bubble" snails.<ref name="WoRMS">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</ref>
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 achatinus'' <small>(Sacco, 1896)</small> * ''Rictaxis albus'' <small>(G. B. Sowerb III, 1873)</small> (synonym ''Acteon albus'' <small>Sowerby, 1873</small>) * † ''Rictaxis austriacus'' <small>Harzhauser, Landau & Malaquias, 2026</small> * † ''Rictaxis dactylinus'' <small>(Deshayes, 1862)</small> * † ''Rictaxis munieri'' <small>(Deshayes, 1862)</small> * ''Rictaxis painei'' <small>(Dall, 1903)</small> * ''Rictaxis punctocaelatus'' <small>(Carpenter, 1864)</small> * ''Rictaxis rarius'' <small>Poppe & Tagaro, 2026</small> * ''Rictaxis sanguinea'' <small>Valdès, 2008</small> * † ''Rictaxis selandicus'' <small>(Ravn, 1933)</small> * † ''Rictaxis siedli'' <small>Harzhauser, Landau & Malaquias, 2026</small> * † ''Rictaxis tornatus'' <small>(Millet, 1854)</small> * † ''Rictaxis ursulae'' <small>Harzhauser, Landau & Malaquias, 2026</small>
; Species that have been synonymized: * ''Rictaxis punctostriatus'' : synonym of ''Japonactaeon punctostriatus'' (C. B. Adams, 1840)
* ''Rictaxis albus'' (B. Sowerby III, 1874)<ref name="SASS 2023" >{{cite book |title=Southern African Sea Slugs |editor1-first=Terrence |editor1-last=Gosliner |editor2-first=Georgina |editor2-last=Jones |publisher=Southern Underwater Research Group (SURG) |location=Cape Town |date=2023 |isbn=978-0-7961-2202-5 |first1=Terrence |last1=Gosliner |first2=Georgina |last2=Jones |first3=Lisa |last3=Beasley |first4=Louw |last4=Claassens |first5=Valda |last5=Fraser |first6=David |last6=Herbert |first7=Kate |last7=Jonker |first8=William |last8=Liltved |first9=Colin |last9=Ogden |first10=Maddy |last10=Ogden |first11=Veronique |last11=Pretorius |first12=Duncan |last12=Pritchard |first13=Robyn |last13=Scott |first14=Brian |last14=Sellick |first15=Kate |last15=Sherry |first16=Evania |last16=Snyman |first17=Peter |last17=Southwood |first18=Jenny |last18=Strömvoll |first19=Roseanne |last19=Thornycroft |first20=Yara |last20=Tiberiçá |first21=Jessica |last21=Toms |first22=Carel |last22=van der Colff |first23=Christo |last23=van Jaarsveld |first24=Petro |last24=van Jaarsveld |first25=Helen |last25=Walne |first26=Guido |last26=Zsilavecz |pages=54-55}}</ref> ** Distribution : South Africa. False Bay to KwaZulu-Natal 10 to 165m, endemic, mixed sand and rocky reef.<ref name="SASS 2023" /> Living animals have omly been collected from Algoa Bay.<ref name="SASS 2023" /> ** Length : 10–21 mm ** Description : white shell with numerous spiraling white to light brown grooves. * ''Rictaxis painei'' Dall, 1903 ** Distribution : America
==References== {{Commons category|Rictaxis}} {{Reflist}}
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Category:Acteonidae Category:Rictaxis
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