Ranque P
Ann Trop Med Parasitol. 1977 Sep;71(3):255-63. doi: 10.1080/00034983.1977.11687189.
This paper describes a new species of trypanosome, Trypanosoma (Megatrypanum) heliosciuri, from Heliosciurus gambianus gambianus, and gives a detailed description of T. (Herpetosoma) xeri Leger and Baury 1922, from Euxerus erythropus erythropus, all from Senegal, West Africa.