: Limnosida frontosa.

Limnosida frontosa is an easily recognisable species having a head which is almost triangular in shape and by its abdominal claw which has 10 long teeth. It is a true limnetic species, and so far it has only been found in southeast Norway in lakes having a surface area >10 ha.

Limnosida frontosa Sars
Creative Commons Attribution | Bjørn Walseng | Norsk institutt for naturforskning
Kart. Utbredelse i Norge.