Prionopetalum serratum Attems, 1909
Prionopetalum serratum Attems, 1909c: 158 .
Previous Eastern Arcs records: Tanga Region, Usambara, Mombo (Attems 1909a).
General distribution: also known from Tanzania: Mt. Kilimanjaro, as well as Arusha, Meru valley and Oldeani in Arusha Region and Kenya: Kaijado (Enghoff et al. 2016).