Skolomystax, a new genus for the Australian species formerly included in Centroptilum Eaton (Ephemeroptera: Baetidae) Author Suter, P. J. Author Webb, J. M. Author Gattolliat, J. - L. text Memoirs of Museum Victoria 2023 Mem. Mus. Vic. 2023-12-31 82 1 48 http://dx.doi.org/10.24199/j.mmv.2023.82.01 journal article 10.24199/j.mmv.2023.82.01 1447-2554 8065508 Centroptilum spARR in Webb and Suter (2011) Material examined. Holotype : nymph and associated male imago mounted on slides. NT: Magela Ck near Corndorl Billabong, PS430 , 12.62S 132.88E , 17 May 1988 , PS , AW , PC, cast skin and male imago, ANIC6–000088 . Paratypes : one nymph and one reared male imago mounted on slides; Magela Ck at Ranger outlet, PS420 , 12.68S 133.93E , 19 May 1988 , PS , AW , PC, ANIC6–000089 , 90 ; one male imago on two slides, South Alligator R . Site 1 at Gimbat OSS field station, PS431 , 13.60S 132.60E , 30 Sept 1988 , PS , AW , PC, ANIC6–000091 . Other material examined. NT: nymph; pool nr Sandy Billabong, JWA1380 , 12.62S 132.87E , 28 May 1988 , PS , AW , PC; Barramundie Ck, JWA2478 /2485, 13.31S 132.44E , 2 Oct 2009 , JW , JHH , PS , MH ; Magela Ck below Bowerbird Billabong , 12.78S 133.03E , May 1988 , PS , AW , PC; Magela Ck below Magela Falls , 12.77S 133.10E , April 1989 , PS , AW , PC; Jim Jim Ck above Jim Jim Falls , 13.28S 132.85E , May 1988 , PS , AW , PC; Magela Ck upstream of Georgetown Billabong , 12.68S 132.93E , 4 Feb 2019 , JH .