Onchotelson

{{Short description|Genus of crustaceans}}

{{Automatic taxobox

| image =

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| taxon = Onchotelson

| authority = Nicholls, 1944

| type_species = Onchotelson brevicaudatus

| type_species_authority = (Smith, 1909)

}}

Onchotelson is a genus of isopod crustaceans in the family Phreatoicidae, which is endemic to Tasmania. It contains two species,{{cite web |author=Marilyn Schotte |year=2009 |title=Phreatoicidae |editor1=M. Schotte |editor2=C. B. Boyko |editor3=N. L. Bruce |editor4=G. C. B. Poore |editor5=S. Taiti |editor6=G. D. F. Wilson |work=World Marine, Freshwater and Terrestrial Isopod Crustaceans database |publisher=World Register of Marine Species |url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=249332 |access-date=April 11, 2010}} both of which are listed as vulnerable on the IUCN Red List:

• Onchotelson brevicaudatus (Smith, 1909){{cite iucn |author=Inland Water Crustacean Specialist Group |date=1996 |title=Onchotelson brevicaudatus |volume=1996 |page=e.T15307A4512867 |doi=10.2305/IUCN.UK.1996.RLTS.T15307A4512867.en |access-date=11 November 2021}}
• Onchotelson spatulatus Nicholls, 1944{{cite iucn |author=Inland Water Crustacean Specialist Group |date=1996 |title=Onchotelson spatulatus |volume=1996 |page=e.T15308A4511696 |doi=10.2305/IUCN.UK.1996.RLTS.T15308A4511696.en |access-date=11 November 2021}}