Species: sondalensis CLEMENT & LEBEDEV, 2014
Etymology: In reference to the Sondala River, Leningrad Oblast/Region, European Russia, running close to the locality where the specimen was collected.
Holotype: PIN 1491/52
Locality: 600 m from the mouth, left bank of its right confluence Sondala River, Oyat' River, Podporozhye District, Leningrad Oblast/Region, European Russia.
Horizon: Smota-Lovat' Formation.
Biostratigraphy: Bothriolepis maxima placoderm zone.
Age: Upper Frasnian Stage, Lower Late Devonian Epoch, Devonian.
Material: Anterior part of a right lower jaw ramus.