3428 Author Nonaka, Masanori Author Muzik, Katherine Author Iwasaki, Nozomu text Zootaxa 2012 2012-08-17 3428 1 67 journal article 1175­5334 Key to the species of Coralliidae from Japanese waters 1 Colony branched in one plane............................................................................ 2 - Colony bushy; coenenchymal mounds distributed all around the colony.......... Paracorallium inutile ( Kishinouye, 1902 ) 2 Coenenchymal mounds distributed predominantly on one side of the colony....................................... 3 - Coenenchymal mounds distributed around the colony................................... Corallium uchidai sp. nov. 3 Coenenchymal mounds cylindrical, taller than wide.......................................................... 4 - Coenenchymal mounds hemispherical, wider than tall or same size.............................................. 5 4 Axis cream-white, coenenchyme light yellow in color......................... * Corallium boshuense Kishinouye, 1903 - Axis pink, coenenchyme light red, twigs yellow in color......................... Corallium sulcatum Kishinouye, 1903 5 8-radiate sclerites abundant in the coenenchyme............................................................. 6 - 6-radiate sclerites abundant in the coenenchyme............................................................. 7 6 Coenenchyme thick and firm, orange; axis white; double-clubs present............. Corallium pusillum Kishinouye, 1904 - Coenenchyme thin, transparent; axis red; double-clubs absent.............. Paracorallium japonicum (Kishinouye, 1903) 7 Coenenchymal mounds clustered in groups; surface smooth....................... Corallium konojoi Kishinouye, 1903 - Coenenchymal mounds evenly distributed; surface with minute warts............................................ 8 8 Minute warts not visible to the naked eye; coenenchyme and axis crimson-red to salmon-pink.................................................................................................... Corallium elatius ( Ridley, 1882 ) - Minute warts distinct; coenenchyme and axis whitish; double-clubs most abundant............ Corallium gotoense sp. nov.