loris

There is only one known species of primate that still has a functioning third eyelid, and that is the Calabar angwantibo (closely related to lorises) which lives in West Africa.

半月皱襞是长上部和中部连接处的一个很小的细长瘤。

Any of several small, slow-moving, nocturnal prosimian primates of the genera Loris and Nycticebus of tropical Asia, having dense woolly fur, large eyes, and a vestigial tail.

科；懒科；指科；大科；某些分类中，替代原；另外一些分类中，被认为是原的一个部。