Family OONOPIDAE Simon, 1890
Compiler and date details
Valerie Todd Davies (including the Lycosidae by R.J. McKay), Queensland Museum, Brisbane, Queensland, Australia
Introduction
Small, 2-clawed, haplogyne spiders that have a pair of tracheal spiracles just behind the book-lungs. Six or less eyes. Colulus absent, sometimes represented by two setae. Cheliceral margins smooth. Female palp without a claw. Tarsal claws pectinate in double row. One trichobothrium on metatarsi, none on tarsi. Most oonopids live in litter; some are well sclerotised with a shield covering, or partly covering the abdomen; others are soft-bodied. Orchestina is found in foliage; it is soft bodied and has enlarged femora IV for jumping backwards. Ischnothyreus species have been found throughout north-eastern Queensland and on Murray Island, Torres Strait but none has been described.
Diagnosis
Small haplogyne spiders with one pair of broad slit-like tracheal spiracles just behind pair of book-lung openings. Leg IV obviously longer than others; onychium present. 1–3 strong spines distally on proventral femur I, II present or absent. 2 claws; paired claws with two rows of teeth; female palpal claw absent.