
Genus Zearchaea Wilton, 1946
Eight eyes, anterior median eyes smallest, spaced less than the diameter of an anterior median eye from the posterior median pair. Carapace almost as wide as high, projecting forward slightly, without neck. Chelicerae relatively slender, with two small teeth on promargin, retromargin smooth, lateral boss and ventral lamella absent. Maxillae arched over labium, with scopulae and serrula. Labium

much wider than long. Sternum slightly longer than wide, bluntly rounded posteriorly, fourth pair of pedal coxae separated by a distance equal to their approximate width. Legs slender, 1 4.2.3, or 4 1.2.3; three claws with onychia. Trichobothria present on tibiae and metatarsi of all legs; tarsal “drum” absent. Female pedipalp without claw. Male pedipalp with an apophysis on tibia, sometimes on femur, cymbium without apophysis. Posterior and median spinnerets reduced to minute eminences or absent; colulus minute; tracheal spiracle present.
