(Grunow in Van Heurck) D.G.Mann in Round et al. 1990
Credit: Ian Bishop
Valves ovate, with broadly rounded ends
Conopeum wide
Proximal raphe ends expanded
Helictoglossae distinct
Striae radiate
Valves are small and ovate with broadly rounded ends. Striae are weakly radiate. A wide conopeum is present. The proximal raphe ends are expanded. The distal terminates in a distinct helictoglossae.