Australian Marsh Beetles (Coleoptera: Scirtidae). 7. Genus Nothocyphon, new genus Author Zwick, Peter text Zootaxa 2015 3981 3 301 359 journal article 10.11646/zootaxa.3981.3.1 13ca0acb-0db1-4ee9-bb85-a90cdc65dcf3 1175-5326 240978 34F39733-E55C-4695-8749-E6811F675740 The triangulum -group In the two Tasmanian species the penis is sub-parallel, only the front of the pala may be wide. The triangular trigonium is a little shorter than the simple club- or tongue-shaped parameroids and has only small spinules along its margins. Tegmen and parameres are short, the latter are armed with strong teeth.