Parlibellus biblos (Cleve) Cox Figs 81–84

Ref. illus: Hustedt 1931 –1959, p. 703, fig. 1178 (as Stauroneis biblos [Cleve] Hustedt); Cox 1988, p. 23; Lobban et al. 2012, p. 296, pl. 52, figs 4, 5) [as Stauroneis retrostauron (Mann) Meister]

Comments: J.S. Park et al. (2022, p. 14) made the case for recognizing this taxon as Parlibellus biblos . Stauroneis retrostauron must be deleted from the species list for Guam for now.