also: おのあしるい
斧足類 is sometimes used as another name for bivalves.
Rare taxonomic term for bivalves; the reading ふそくるい is standard for this kanji form.
Alternate reading; less common than ふそくるい.
From 斧 (axe) + 足 (foot) + 類 (class), referring to the hatchet-shaped foot of bivalves. The exact historical derivation is uncertain.