Actinarctus

Actinarctus is a genus of tardigrades in the family Tanarctidae. The genus was named and described by Erich Schulz in 1935.

Species
The genus includes four species:
 * Actinarctus doryphorus Schulz, 1935
 * Actinarctus lyrophorus Renaud-Mornant, 1979
 * Actinarctus neretinus Grimaldi de Zio, D'Addabbo Gallo, Morone De Lucia, Vaccarella & Grimaldi, 1982
 * Actinarctus physophorus Grimaldi de Zio, D'Addabbo Gallo, Morone De Lucia, Vaccarella & Grimaldi, 1982