# Asellus

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{{Short description|Genus of crustaceans}}
{{other uses}}
{{Automatic taxobox
| image = Asellus aquaticus.jpg
| image_caption = ''[Asellus aquaticus](/source/Asellus_aquaticus)''
| taxon = Asellus
| authority = [Geoffroy](/source/%C3%89tienne_Louis_Geoffroy), 1762
| type_species = ''[Oniscus aquaticus](/source/Asellus_aquaticus)''
| type_species_authority = [Linnaeus](/source/Carl_Linnaeus), [1758](/source/10th_edition_of_Systema_Naturae)
}}

'''''Asellus''''' is a genus of [isopod](/source/isopod) [crustacean](/source/crustacean)s in the family [Asellidae](/source/Asellidae).<ref name=WoRMS/> '''Asellus''' isopods are commonly called waterlouse, waterslaters, [Eurasian](/source/Eurasia) waterslaters, and more.<ref>{{Cite web |date=2026-04-25 |title=Asellus (Eurasian Waterslaters): Identification, Facts, and Taxonomy |url=https://bugswithmike.com/guide/arthropoda/crustacea/malacostraca/peracarida/isopoda/asellota/aselloidea/asellidae/asellus |access-date=2026-05-18 |website=Bugs With Mike |language=en}}</ref> They are found in [canals](/source/Canal), [lakes](/source/Lake), [ponds](/source/Pond), and other slow-moving water enviornments.

==Species==
''Asellus'' is divided into three subgenera which contain the following species:<ref name=WoRMS>{{WoRMS |title=''Asellus'' Geoffroy, 1762 |db=Isopod |id=148666 |access-date=20 August 2023}}</ref>{{#tag:ref|A [binomial authority](/source/Binomial_nomenclature) in parentheses indicates that the species was originally described in a genus other than ''Asellus''.|group=lower-alpha}}

===''Asellus (Asellus)'' <small>Geoffroy, 1762</small>===
* ''[Asellus amamiensis](/source/Asellus_amamiensis)'' <small>Matsumoto, 1961</small>
* ''[Asellus aquaticus](/source/Asellus_aquaticus)'' <small>([Linnaeus](/source/Carl_Linnaeus), [1758](/source/10th_edition_of_Systema_Naturae))</small>
* ''[Asellus balcanicus](/source/Asellus_balcanicus)'' <small>Karaman, 1952</small>
* ''[Asellus epimeralis](/source/Asellus_epimeralis)'' <small>Birstein, 1947</small>
* ''[Asellus ezoensis](/source/Asellus_ezoensis)'' <small>Matsumoto, 1962</small>
* ''[Asellus hyugaensis](/source/Asellus_hyugaensis)'' <small>Matsumoto, 1960</small>
* ''[Asellus ismailsezarii](/source/Asellus_ismailsezarii)'' <small>Malek-Hosseini, Jugovic, Fatemi & Douady, 2022</small><ref>{{cite journal |last1=Malek-Hosseini |first1=Mohammad Javad |last2=Jugovic |first2=Jure |last3=Fatemi |first3=Yaser |last4=Kuntner |first4=Matjaž |last5=Kostanjšek |first5=Rok |last6=Douady |first6=Christophe J. |last7=Malard |first7=Florian |title=A new obligate groundwater species of ''Asellus'' (Isopoda, Asellidae) from Iran |journal= Subterranean Biology |volume=42 |pages=97–124 |doi=10.3897/subtbiol.42.79447 |url=http://dx.doi.org/10.3897/subtbiol.42.79447|doi-access=free }}</ref>
* ''[Asellus kosswigi](/source/Asellus_kosswigi)'' <small>Verovnik, Prevorcnik & Jugovic, 2009</small>
* ''[Asellus kumaensis](/source/Asellus_kumaensis)'' <small>Matsumoto, 1960</small>
* ''[Asellus levanidovorum](/source/Asellus_levanidovorum)'' <small>Henry & Magniez, 1995</small>
* ''[Asellus monticola](/source/Asellus_monticola)'' <small>Birstein, 1932</small>
* ''[Asellus musashiensis](/source/Asellus_musashiensis)'' <small>Matsumoto, 1961</small>
* ''[Asellus primoryensis](/source/Asellus_primoryensis)'' <small>Henry & Magniez, 1993</small>
* ''[Asellus shikokuensis](/source/Asellus_shikokuensis)'' <small>Matsumoto, 1960</small>
* ''[Asellus tamaensis](/source/Asellus_tamaensis)'' <small>Matsumoto, 1960</small>
* ''[Asellus turanaicus](/source/Asellus_turanaicus)'' <small>Sidorov & Prevorčnik, 2016</small>
* ''[Asellus hilgendorfii](/source/Asellus_hilgendorfii)'' <small>Bovallius, 1886</small>

===''Asellus (Arctasellus)'' <small>Henry & Magniez, 1995</small>===
* ''[Asellus alaskensis](/source/Asellus_alaskensis)'' <small>Bowman & Holmquist, 1975</small><ref>{{cite journal |last1=Bowman |first1=Thomas E. |last2=Holmquist |first2=C. |title=''Asellus (Asellus) alaskensis'', n. sp., the first Alaskan ''Asellus'', with remarks on its Asian affinities (Crustacea: Isopoda: Asellidae) |journal=Proceedings of the Biological Society of Washington |date=1975 |volume=88 |pages=59–72 |url=https://www.biodiversitylibrary.org/part/44170 }}</ref>
* ''[Asellus birsteini](/source/Asellus_birsteini)'' <small>Levanidov, 1976</small>
* ''[Asellus latifrons](/source/Asellus_latifrons)'' <small>Birstein, 1947</small>

===''Asellus (Mesoasellus)'' <small>Birstein, 1939</small>===
*''[Asellus dybowskii](/source/Asellus_dybowskii)'' <small>Semenkevich, 1924</small>

==Notes==
{{notelist}}

==References==
{{Reflist|refs=

}}

{{Taxonbar|from=Q3761220}}

Category:Asellidae
Category:Isopod genera
Category:Taxa named by Étienne Louis Geoffroy

{{Asellota-stub}}

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