Familie: Gastropodidae
VANDA: Dyreplankton 25.09.1996 Farris videregående skole Ulfsbakktjønn (Larvik, Vestfold) | Asplanchna sp. Bosmina longispina Cyclops scutifer Diaphanosoma brachyurum Hoppekreps (Eudiaptomus gracilis) Gastropus sp. Kellicottia longispina Keratella cochlearis Mesocyclops leuckarti Polyphemus pediculus |