Arthrolycosidae is an extinct family of arachnids, possibly spiders. Fossils placed in the family were found in the period spanning Carboniferous to Permian. They were considered by Alexander Petrunke

Arachnids are arthropods in the class Arachnida of the subphylum Chelicerata. Arachnida includes, among others, spiders, scorpions, ticks, mites, pseudoscorpions, harvestmen, camel spiders, whip spide