こうせいどうぶつ 後生動物 LinksSentence search for 後生動物Sentence search for こうせいどうぶつKanji details for 後, 生, 動 and 物Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. metazoan (any member of the animal kingdom, excluding protozoans and sponges) Discussions Log in to talk about this word.