Necrotenthis n.g. (Ceph. dibr.), Necroteuthidae N.P. aus (dem Oligozan von Buda Pest und das system der Dibranchiata [in German pp. 124-138 text-figs.]. Magyar Kiralyi Foldtani Intezet Evkkonyve Pest, 72(1-3) 1942: p. 99-100. 125 [Zoological Record Volume 84]