# Lithococcus

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{{Short description|Genus of gastropods}}
{{Automatic_taxobox
| image =
| image_caption =
| taxon = Lithococcus
| authority = [Pilsbry](/source/Henry_Augustus_Pilsbry), 1911
| type_species = ''Lithoglyphus multicarinatus''
| type_species_authority = Miller, 1878
}}

'''''Lithococcus''''' is a [genus](/source/genus) of very small [freshwater snail](/source/freshwater_snail)s, [aquatic](/source/aquatic_animal) [gastropod](/source/gastropod) [mollusk](/source/mollusk)s in the family [Cochliopidae](/source/Cochliopidae).<ref name="WoRMS">Bouchet, P. (2015). Lithococcus Pilsbry, 1911. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=723409 on 2015-02-20</ref>

==Characteristics==
(Original description) The shell is globose and thick, with four to five convex [whorl](/source/Whorl_(mollusc))s. Its [sculpture](/source/Sculpture_(mollusc)) consists of strongly developed spiral ribs, with the upper ribs being spinose (spiny).

The [operculum](/source/Operculum_(gastropod)) is corneous and subcircular, composed of three or four whorls with the nucleus located near the center.

The dentition is amnicoloid (characteristic of the family [Amnicolidae](/source/Amnicolidae)). The central tooth has five to seven denticles on its cusp and three basal denticles on each side. The inner lateral tooth has 13-14 denticles, and the next lateral tooth has about 16 denticles.<ref>{{cite book |last1=Pilsbry |first1=H.A. |title=Non-marine Mollusca of Patagonia. In: Scott, W.B. (Ed.) Reports of the Princeton University Expeditions to Patagonia, 1896-1899. Volume III, 2. Zoology. Princeton University, Princeton, N.J. |date=1911 |publisher=Schweizerbart'sche Verlagshandlung |location=Stuttgart |page=602 |url=https://www.biodiversitylibrary.org/page/23493634 |access-date=11 September 2025}} {{PD-notice}}</ref>

==Distribution==
The species occurs in the Pacific Ocean off [Mexico](/source/Mexico), [Costa Rica](/source/Costa_Rica) and [Ecuador](/source/Ecuador).

==Species==
Species within the genus ''Lithococcus'' include:
*''[Lithococcus aletes](/source/Lithococcus_aletes)'' <small>Thompson & Hershler, 1991</small>
* † ''[Lithococcus amazonicus](/source/Lithococcus_amazonicus)'' <small>Wesselingh, 2006</small> 
* † ''[Lithococcus carinatus](/source/Lithococcus_carinatus)'' <small>Wesselingh, 2006</small> 
*''[Lithococcus multicarinatus](/source/Lithococcus_multicarinatus)'' <small>(Miller, 1878)</small>
* ''[Lithococcus venustus](/source/Lithococcus_venustus)'' <small>Pilsbry, 1950</small>

==References==
{{Reflist}}

{{Taxonbar|from=Q19597758}}

Category:Cochliopidae
Category:Taxa named by Henry Augustus Pilsbry

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Adapted from the Wikipedia article [Lithococcus](https://en.wikipedia.org/wiki/Lithococcus) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Lithococcus?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.