This parasite is an isopod (Bopyrus), the appendages of which are imperfectly developed.
The male of this isopod, which inhabits the bay of Christiansand, is not yet known.
This little crustacean is associated in its work on submerged timber with the isopod Limnoria lignorum.
He concludes that they were more like what one would expect in an isopod.
Bucholz has recently described a new kind of isopod, allied to the lyriopes, which lives on the Hemioniscus.
In his first article he mistakes a species of the myriapod genus Glomeris for the isopod genus Armadillo.