Oncopodidae (Oncopus, Pelitnus).
Trioenonychidae (Trioenonyx, Acumontia).
Sub-order b. Palpatores.—Orifice of foetid glands opening above the coxa of the 3rd appendage, not raised upon a tubercle. Orifice of coxal gland situated between the coxae of the 5th and 6th appendages. Sternal plate of prosoma usually short and wide, rarely longer than broad; with a larger or smaller prosternal element underlying the mouth. Coxae of 3rd, 4th, 5th and 6th appendages movable or immovable. Appendages of 2nd pair weak, pediform not prehensile. Genital orifice covered by an operculum.
Families—Phalangiidae (Phalangium, Gagrella).
Ischyropsalidae (Ischyropsalis, Taracus).
Nemastomidae (Nemastoma).
Trogulidae (Trogulus, Anelasmocephalus).
Sub-order c. Cyphophthalmi (Anepignathi).—Orifice of foetid glands opening on a tubercle situated near the lateral border of the carapace above the base of the 5th appendage. Orifice of coxal gland probably situated at base of coxa of 5th appendage; sternal plate of prosema minute or absent; no prosternal element underlying the mouth. Coxae of 5th and 6th, and usually also of 4th appendages immovable. Appendages of 2nd pair weak, pediform, not prehensile. Genital orifice not covered by an operculum.
Families—Sironidae (Siro, Pettalus).
Stylocellidae (Stylocellus).