Amphicteinae

Amphicteinae is a subfamily of polychaete worms in the family Ampharetidae. It was originally established as a tribe, with eight genera, but was elevated to subfamily-level with a reduced number of genera in 2020. Two species, Hypaniola kowatewskii and Hypania invalida, are known to feed on blue-green algae.

Genera
The subfamily comprises the following genera:


 * Hobsonia Banse, 1979
 * Hypania Ostroumoff, 1897
 * Hypaniola Annenkova, 1927
 * Noanelia Desbruyeres & Laubier, 1977