176 Records of the Australian Museum (2017) Vol. 69 
Figure 27. Specimens of Janthina chavani (Ludbrook); all from the type formation, Roe Calcarenite, late Piacenzian; Roe Plain, SE 
Western Australia. (A-H) GNS WM14468, 16 km W of Madura; /, NMV P322322, 88 km W of Eucla Motel. Scale bar 10 mm. 
