Spiracles two placed in the trunk[1258].

Pseudo-pectens two[1259].

Abdomen divided into segments.

Anus unarmed and without a spinning apparatus[1260].

4. Phrynidea.

Def. Mandibles unguiculate.

Anterior Palpi chelate or unguiculate[1261], very robust.

Posterior Palpi pediform, very long and slender.

Abdomen divided into segments.

Spiracles two pairs.