Description: English: Life restorations of Dayongaspis (right), Hayangaspis (bottom), and Changxingaspis (left). Date: 27 July 2022. Source: Own work. Author: BTMTheMarshmallow.
Description: English: Head of young lamprey Eudontomyzon mariae (Ubort River, Ukraine). Pineal complex (unpaired eyes) is seen as white spot behind of nostril Русский: Голова личинки миноги Eudontomyzon mariae (река Уборть, Украина). Яркое пятно за ноздрёй — пинеальный комплекс (непарные глаза). Date: 1 March 2013, 02:51:23. Source: a fragment of Eudontomyzon mariae.JPG. Author: Mykola Scherbatyuk.