There are five long, often branched, rays attached round the edge of the tegmen.

The specimen is composed of a single isolated tegmen which is preserved as a compression fossil in sedimentary rock.

The specimen is mostly complete, though the right tegmen torn, and the hind legs are partly destroyed.

It vibroverberates upon the tegmen and prosplodes from pomoeria.

- fifth longitudinal vein, with dichotomous branches occupy large part of tegmen. '