亜綱 あこう Meanings Noun subclass Kanji 亜 sub-. Read as ア. 綱 rope. Read as コウ. Words containing 亜綱 異歯亜綱 (いしあこう) Heterodonta (subclass of bivalve molluscs, including the clams and cockles) 原獣亜綱 (げんじゅうあこう) Prototheria 異獣亜綱 (いじゅうあこう) Allotheria (subclass of Mesozoic mammals) And 2 more. Word lists Biology Jinuma: Japanese Dictionary · Word lists