オナガザル科かオナガザルかMeanings1nounCercopithecidae; Old World monkeysScientific family name in zoology; used in biological classification.オナガザル科かには、ニホンザルやマントヒヒなどが含ふくまれる。The family Cercopithecidae includes the Japanese macaque and the hamadryas baboon.