platyrrhine; New World monkey
Technical term in primatology for the infraorder Platyrrhini, characterized by wide, sideways-facing nostrils. Contrasts with 狭鼻猿類 (Catarrhini).
See also: 狭鼻猿類
Platyrrhines include spider monkeys and marmosets.
狭鼻猿類 (Catarrhini) are Old World monkeys and apes with downward-facing nostrils, while 広鼻猿類 are New World monkeys with wide, sideways-facing nostrils.
Compound of 広鼻 (wide nose) + 猿類 (monkey kind). A modern taxonomic coinage based on the physical trait of widely spaced nostrils.