Figure 11 from: Ron SR, Venegas1 PJ, Ortega-Andrade HM, Gagliardi-Urrutia G, Salerno P (2016) Systematics of Ecnomiohyla tuberculosa with the description of a new species and comments on the taxonomy of Trachycephalus typhonius (Anura, Hylidae). ZooKeys 630: 115-154. https://doi.org/10.3897/zookeys.630.9298

Figure 11 - External morphology of Trachycephalus quadrangulum comb. n. from the Chocó region, western Ecuador. A QCAZ 39360, adult male, SVL = 74.1 mm, Caimito, Provincia de Esmeraldas, Ecuador B QCAZ 39361, adult male, SVL = 73.2 mm, same locality as A C–D QCAZ 51746, adult female, SVL = 80.3, Bosque Pacocha, Provincia Manabí, Ecuador E QCAZ 35406, adult male (SVL = 69.5), Bosque Protector Puyango, Provincia El Oro, Ecuador F QCAZ 28530, adult male (SVL = 64.5), Hacienda Santa Teresita, Provincia del Guayas, Ecuador; (G–H) Holotype of Hyla quadrangulum, adult female; scale, in cm, shown for reference. Photographs: A–F by S. R. Ron, G–H by Jeff Streicher.