脊椎動物亜門 せきついどうぶつあもん Meanings Noun Vertebrata Kanji 脊 spine. Read as セキ. 椎 vertebra. Read as ツイ. 動 move. Read as ドウ. 物 thing. Read as ブツ. 亜 sub- 門 gate. Read as モン. Jinuma: Japanese Dictionary · Word lists