• A new elasmobranch Karksiodus mirus gen. et sp. nov. from the Burtnieki Regional Stage, Middle Devonian of EstoniaIvanov, Alexander; Märss, Tiiu; Kleesment, Anne-LiisEstonian journal of earth sciences2011 / 1, p. 22-30 : ill https://artiklid.elnet.ee/record=b2284327*est