へいばんどうぶつもん 平板動物門 LinksSentence search for 平板動物門Sentence search for へいばんどうぶつもんKanji details for 平, 板, 動, 物 and 門Edit in JMdict Noun1. Placozoa (phylum of multicellular invertebrates) Discussions Log in to talk about this word.