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Naturkunde, Humboldt Universität zu Berlin; MNHN - Muséum National d'Histoire ... in Nigeria and close to the Sudan border of the Democratic Republic Congo ... (holotype of P. coeruleiceps); (b) P. melanicterum from Sierra Leone (lectotype); (c) P. ... P. camerunense is known from The Gambia, Sierra Leone, Liberia, Côte ...