2009
Studies on African Agama. VI. Taxonomic status of the West African Agama (Sauria: Agamidae) with prominent tail crests: Agama boulengeri Lataste 1886, Agama insularis Chabanaud, 1918 and Agama cristata Mocquard, 1905.
Bonner Zoologische Beiträge 56(4): 239-253.