{{Short description|Species of gastropod}} {{Speciesbox | image = Alvania marioi 001.jpg | image_caption = Shell of ''Alvania marioi'' (holotype at MNHN, Paris) | taxon = Alvania marioi | authority = Gofas, 1999<ref>{{WRMS source|140620|Gofas S. (1999). The West African Rissoidae (Gastropoda: Rissooidea) and their similarities to some European species. The Nautilus 113(3): 78-101.|08/09/10}}</ref> | synonyms_ref = | synonyms = |display_parents= 3 }}

'''''Alvania marioi''''' is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.<ref name="WoRMS">{{WRMS species|457473|''Alvania marioi'' Gofas, 1999|||WoRMS (2010). Alvania marioi Gofas, 1999. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at <nowiki>http://www.marinespecies.eu/aphia.php?p=taxdetails&id=457473</nowiki> on 9 August 2010}}</ref>

==Description== The length of the shell attains 2.75&nbsp;mm. {{Expand section|date=January 2024}}

==Distribution== This species occurs in the Atlantic Ocean off Angola.

==References== {{Reflist}}

{{Taxonbar|from=Q4737782}}

marioi Category:Gastropods described in 1999 Category:Taxa named by Serge Gofas

{{Alvania-stub}}