Glossiphonia moorei

External morphology

Six rows of broadly ovate but shallow dorsal papillae (outer paramedian, outer paramarginal, and marginal series), each dorsal papilla bears yellow or whitish spot; dorsal markings pattern with two blackish dotted outer paramedian lines (invisible in darker melanic forms), ventral markings pattern with two outer paramedian dark lines, 10.

Internal morphology

pairs of very large, ovate testisacs XIII/XIV–XXI/XXII; crop with 7 pairs of caeca — 1st–6th uniform, bag-like, expanding distally, 7th with 4 blind processes; intestine with 4 pairs of large processes each bearing several short lobes.

Habitat & range

Habitat

Freshwater

Region

North America, Europe

Recorded from

Alaska, Siberia

Junior synonyms

Glossiphonia mollissima