Stygarctus

Stygarctus is a genus of tardigrades in the family Stygarctidae. It was named by Erich Schulz in 1951. The name is a combination of Greek Styx and arktos ("bear").

Species
The genus includes the following species:
 * Stygarctus abornatus McKirdy, Schmidt & McGinty-Bayly, 1976
 * Stygarctus ayatori Fujimoto, 2014
 * Stygarctus bradypus Schulz, 1951
 * Stygarctus gourbaultae Renaud-Mornant, 1981
 * Stygarctus granulatus Pollock, 1970
 * Stygarctus lambertii Grimaldi de Zio, D’Addabbo Gallo, Morone De Lucia & Daddabbo, 1987
 * Stygarctus spinifer Hiruta, 1985
 * Stygarctus keralensis Vishnudattan, Bijoy Nandan, Hansen & Jayachandran, 2021