Which of the following derived characteristics did the earliest oligopithecid primates share with modern haplorrhines?
A) Their eye sockets were fully enclosed by bone.
B) They had a 2.1.3.3 dental formula.
C) They were nocturnal.
D) They had prehensile tails.

Question

Quizplus · Accepted Answer

The earliest oligopithecid primates shared the derived characteristic of having eye sockets that were fully enclosed by bone with modern haplorrhines. This feature is distinct from strepsirrhines, which have a bony plate that partially encloses the eye socket but leaves an opening. The other options are not correct, as the earliest oligopithecid primates had a dental formula of 2.1.3.3, were likely nocturnal, and did not have prehensile tails.

Which of the Following Derived Characteristics Did the Earliest Oligopithecid