They have short snouts with the nostrils placed almost at the tip, and well-elevated eyes and supraorbital ridges.
They also lack supraorbital processes on the frontal and have underdeveloped calcaneal tubers.
Body depth about 3.7 to 4.2 in length, head small, branched supraorbital and nuchal cirri.
A small aperture in the upper part of the notch transmits a vein from the diplo to join the supraorbital vein.
Shallow supraorbital ridges are present above the eyes, and the space between them is slightly concave.
It is covered with forward pointing spines, with the supraorbital spines prominent.
On either side of this suture, about 3 cm. above the supraorbital margin, is a rounded elevation, the frontal eminence (tuber frontale).
The supraorbital ridges above the eyes of this species are larger than any other member of its family.
