Figure 2 from: 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. https://doi.org/10.3897/zse.95.32793

Figure 2 Young Astylosternusbatesi tadpoles (ZMB 82863) in life, Gosner stage 25 at a total length of about 15 mm, still with large amounts of yolk.