In 2019 an adult mandible of Namahyrax corvus was discovered during acid treatment of limestone blocks from Site A at Black Crow (Ypresian/Lutetian) Namibia. The specimen confirms the peculiar morphology of the symphysis already observed in a juvenile specimen from the same site and it reveals a reduced dental formula (tendency to suppress i/3, suppression of the permanent lower canine) and the presence of elongated diastemata between the i/2 and the p/1. The long gap between the incisors and the anterior cheek tooth indicates that food acquisition was distinct from mastication. The symphysis is weakly fused posteriorly despite the fact that in this individual the m/3 is fully erupted and in light wear. Keywords: Hyracoidea, Mandible, Palaeogene, Namibia, Dental morphology.