Astylosternus perreti tadpoles, a ZMB 82881 (Gosner stage 25), and b–d ZMB 82884A (Gosner stage 28); a–b lateral view; c dorsal view; d oral disc; e sketch of keratodont arrangement; black bars = 1 cm, white bar = 1 mm.

  Part of: Griesbaum F, Hirschfeld M, Barej M, Schmitz A, Rohrmoser M, Dahmen M, Mühlberger F, Liedtke HC, Gonwouo NL, Doumbia J, Rödel M (2019) Tadpoles of three western African frog genera: Astylosternus Werner, 1898, Nyctibates Boulenger, 1904, and Scotobleps Boulenger, 1900 (Amphibia, Anura, Arthroleptidae). Zoosystematics and Evolution 95(1): 133-160.