Obtusopyrgus alpinus Haase, 2008 Height 1.8mm Freshwater, Native - Endemic South Island. SE of Arthur's Pass. In seepage trickling over rocks Fw.S. |
Obtusopyrgus farri Verhaegen & Haase, 2021 Height 2.31mm, Width 1.32mm Freshwater, Native - Endemic, On leaves, stones, woody debris in stream Nelson Lakes Fw.S. |