FIGURE 2. Hypothesis O2 in Opiliones are no longer the same—on suprafamilial groups in harvestmen (Arthropoda: Arachnida)

FIGURE 2. Hypothesis O2 of phylogeny of the Opiliones (Sundevall 1833). The original concept of the Opiliones ("Opiliones" in green) excluded the Cyphophthalmi (here represented by Siro). This group is currently called Phalangida (in blue). Ischyropsalis was still to be unknown for 6 years.