Grandilithus Liu & Li, 2022

Grandilithus Liu & Li, in Liu et al. 2022: 25.

Type species. Grandilithus anyuan Liu & Li, 2022, by original designation

Diagnosis. This genus can be distinguished from the other phrurolithid genera by the carapace white or yellow, the straight posterior eye row, and light marking on the abdomen. The male palpal femur has a well-developed apophysis distally and tibia with single retrolateral apophysis. The epigyne has a goblet-shaped median septum, nearly globular copulatory ducts and convergent, elongated spermathecae.

Description. Small to medium, body length 3.0–5.0. Carapace white to yellow. Anterior eye row slightly recurved, posterior eye row straight. Chelicerae with two (one long and another short) spine anteriorly. Legs without black-brown annulations or stripes; femur I with 5–7 prolateral spines; femur II with 2–5 prolateral spines; tibia I with 9 or 10 pairs of ventral spines; metatarsus I with 4 pairs of ventral spines. Male with small and thin dorsal scutum, absent in female.

Male palp: femoral apophysis well developed; tibia with one retrolateral apophysis, tip spine-like, hook-shaped, or otherwise; bulb oval, narrower than cymbium; embolus long, hook-shaped; conductor absent; tegular apophysis present.

Epigyne: epigynal plate with distinct median septum; copulatory openings small, situated medially on plate; copulatory ducts nearly globular; glandular appendages indistinct, digitiform or mastoid-shaped; spermathecae round or clavate.

Species composition. 38, including the three described herein.

Distribution. China, Japan, Vietnam (WSC 2024).