Reference
C.H.S. Watts, Remko Leys (2008): Review of the epigean species of Paroster SHARP, 1882,
with descriptions of three new species, and phylogeny
based on DNA sequence data of two mitochondrial genes
(Coleoptera: Dytiscidae: Hydroporinae) – Koleopterologische Rundschau – 78_2008: 9 - 36.