Abstract |
Bulnheim & Fava 1982 summarizes I. balthica to have 4 subspecies:
I. balthica balthica Dahl = Baltic, brackish
I. balthica stagnea Tinturier-Hamelin = French Mediterranean, brackish
I. balthica tricuspidata Desmarest = Atlantic, marine
I. balthica basteri Audouin = Mediterranean, marine |