Species: gracilis VOROBYEVA, 1977
Etymology: Latin, gracilis, "slender."
Holotype: PIN 1494/52
Locality: Unknown, Russia?.
Horizon: Unknown.
Biostratigraphy:
Age: Late Devonian.
Material: Mandibular fragment.
Referred material:
Locality: Left bank of the Abava River, Velna Ala Locality, Kandava County, Latvia.
Horizon: Ogre Formation.
Biostratigraphy:
Age: Upper Frasnian Stage, Lower Late Devonian Epoch, Late Devonian.
PIN 1491/51: Anterior part of a right lower jaw ramus.