[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi
       Order Scorpaeniformes Bloch, 1789 - mail-cheeked fishes
         Family Cyclopteridae Bonaparte, 1831
           Genus Eumicrotremus Gill, 1863
             1 Eumicrotremus derjugini Popov, 1926 - leatherfin lumpsucker
             2 Eumicrotremus eggvinii Koefoed, 1956
             3 Eumicrotremus spinosus (Müller, 1776) - Atlantic spiny lumpsucker