[3] It is named after Adelmar F. Coimbra-Filho, founder and Former Director of the Rio de Janeiro Primate Centre, in honor of his work in the field of Brazilian primatology and biology.

[4] The most distinct of Coimbra Filho's titi's features, from other members of the personatus group, include its black forehead, crown, and ear area, as well as a zebra-like pattern on the anterior of its back.

[4] Coimbra Filho's titi is also differentiated from other members of the personatus group by the shape of both its skull and its teeth.

[4] Coimbra Filho's titi has also been noted to exhibit extreme territorial and defensive behavior when threatened.

Coimbra Filho's titi only naturally occurs in the Atlantic coastal forests in northeastern Brazil.

[4][5] Due to this small range, any disturbances to these areas pose a larger than normal threat to the species' survival.

Wooded areas inhabited by Coimbra Filho's Titi are also being rapidly converted into pastures for grazing and ranching.

As of 2005, no attempts have been made at beginning a captive breeding program for the species, despite an estimated wild population of only 500 to 1000 individuals remaining.