Genus Chaetonotus Ehrenberg, 1830

Type species

Trichoda larus Müller, 1773 (= Chaetonotus larus (Müller, 1773)) .

Terra typica

Denmark.

Remarks on genus

This is a polyphyletic taxon, with only one apparently monophyletic subgenus ( Chaetonotus (Zonochaeta) Remane, 1927); it encompasses 175 nominal freshwater species and 44 nominal marine species (Kånneby et al. 2012, 2013; Todaro 2018). Present in benthic, interstitial, periphytic and rarely semiplanktonic habitats (Kisielewski 1997a).