Bibliographisches Institut [Public domain] via Wikimedia Commons
Prosimian primates—lemurs, lorises and galagos—form a sister group to the other nonhuman primates: apes, Old World monkeys and New World monkeys. Many prosimian species are endangered in the wild and can be very difficult to observe and monitor, limiting our knowledge of their life histories.
Lab Anim. (NY) 43, 302 (2014).
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