側生動物 そくせいどうぶつ Meanings Noun parazoan (member of an ancestral subkingdom of animals whose only surviving members are the sponges) Kanji 側 side. Read as ソク. 生 life. Read as セイ. 動 move. Read as ドウ. 物 thing. Read as ブツ. Jinuma: Japanese Dictionary · Word lists