Cladonychiidae
Guides
Isolachus
Isolachus is a genus of armoured harvestmen in the family Cladonychiidae, containing a single described species, I. spinosus. The genus was established by Briggs in 1971 and is known from the Pacific Northwest region of the United States. As a member of the suborder Laniatores, it belongs to a diverse group of short-legged harvestmen characterized by heavily sclerotized body armor.
Isolachus spinosus
Isolachus spinosus is a species of harvestman (Opiliones) in the family Cladonychiidae, described by Briggs in 1971. It belongs to the suborder Laniatores, a diverse group of short-legged harvestmen often associated with moist microhabitats. The species is known from limited records in the Pacific Northwest of North America.
Speleonychia
Speleonychia is a genus of armoured harvestmen (Opiliones: Laniatores) in the family Cladonychiidae, established by Briggs in 1974. The genus contains at least one described species, S. sengeri, which is endemic to Washington state in the northwestern United States. As a member of the Travunioidea superfamily, it belongs to a group of small, often cryptic harvestmen associated with moist microhabitats. The genus name suggests a cave-associated or subterranean lifestyle, though specific ecological details remain poorly documented.