Group apalai
Diagnosis. The group apalai is recognized by the following combination of characters: Medium total length; PA pronounced, continuous to PI; two embolar keels, PAc absent; prolateral embolus without serrated area, represented by few (two–four) cusps distal to PAc.
Species included. Actinopus apalai sp. nov.; Actinopus mairinquensis sp. nov.; and Actinopus szumikae Ríos-Tamayo & Goloboff, 2018