Hendrich, L. and Fery, H. 2008. Paroster baylyi sp. n., P. ursulae sp. n. (Col. Dytiscidae, Hydroporinae) and the water beetle diversity of pan-gnammas on isolated granite outcrops in the Mallee of south-western Australia. Zootaxa. 1704, 1 (Feb. 2008), 27–41. DOI:https://doi.org/10.11646/zootaxa.1704.1.2.