Synopsis of the Amphibians of Equatorial Guinea based upon the Authors’ Field Work and Spanish Natural History Collections Author Sánchez-Vialas, Alberto Museo Nacional de Ciencias Naturales (MNCN-CSIC), C / José Gutiérrez Abascal, 2. 28006, Madrid, Spain; Author Calvo-Revuelta, Marta Museo Nacional de Ciencias Naturales (MNCN-CSIC), C / José Gutiérrez Abascal, 2. 28006, Madrid, Spain; Author Castroviejo-Fisher, Santiago Laboratorio de Sistemática de Vertebrados, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS). Av / Ipiranga, 6681, Prédio 40, sala 110, 90619 - 900, Porto Alegre, Brazil; * Corresponding author: IDlR (iriva @ mncn. csic. es) Author De, Ignacio Museo Nacional de Ciencias Naturales (MNCN-CSIC), C / José Gutiérrez Abascal, 2. 28006, Madrid, Spain; text Proceedings of the California Academy of Sciences 2020 2020-03-31 66 8 137 230 journal article 295393 10.5281/zenodo.11105986 4c7b4d3d-1fbe-4f48-8cb2-002e928eae42 0068-547X 11105986 Petropedetes newtonii ( Bocage, 1895 ) Photo figures 19A–B TYPE LOCALITY .— Restricted by Neotype designation at “Chopepe creek at its confluence with Río Osa ( 03°14ʹ52.19ʺN , 08°32ʹ23.77ʺE , 27 m a.s.l.), Bioko, Equatorial Guinea ” ( Sánchez-Vialas et al. 2018 ). Lost holotype from “L’ile de Fernão do Po dans le golfe de Guiné ” ( Bocage, 1895c ). DISTRIBUTION .— This species occurs in both provinces of Bioko (Bioko Norte and Bioko Sur) and in the southern coast of Cameroon (Bakingili and Mt. Etinde region) ( Sánchez-Vialas et al. 2018 ) ( Map 20A ). COMMENTS .— The taxonomical problems relating to the identity of this taxon were discussed by Sánchez-Vialas et al. (2018) . SPECIMENS EXAMINED .— Twelve specimens . Campamento Smith , Río Tudela , close to Caldera de Luba , Bioko , 07 March 2007 ( MNCN 46703 ); Campamento UPM-Río Riaco , Caldera de Luba , Bioko , 10 March 2007 ( MNCN 46708 ) ; Río Riaco , Caldera de Luba , Bioko , 15 March 2007 ( MNCN 46719 ) ; Chopepe creek on its confluence with Río Osa , Bioko , 3°14ʹ52.19ʺN , 8°32ʹ23.77ʺE , 22 November 2003 ( MNCN 48728 ) ; Río Sibitá , Bococo Avendaño , Bioko , 3°26ʹ46.04ʺN , 8°26ʹ52.39ʺE ( MNCN 48729 ) ; Afluent of Río Olé , on track to Caldera de Luba , Bioko , 3°18ʹ27.08ʺN 8°28ʹ24.36ʺE , 25 November 2003 ( MNCN 48730 ) ; Río Olé , on the way to Caldera de Luba , Bioko , 3°18ʹ27.08ʺN 8°28ʹ24.36ʺE , 25 November 2003 ( MNCN 48955 ) ; Chopepe creek on its confluence with Río Osa , Bioko , 3°14ʹ52.19ʺN , 8°32ʹ23.77ʺE , 25 November 2003 ( MNCN 48956 ) ; Río Sibitá , Bococo Avendaño , Bioko , 3°26ʹ46.04ʺN , 8°26ʹ52.39ʺE , 03 December 2003 ( MNCN 48957 ) ; Chopepe creek on its confluence with Río Osa , Bioko , 3°14ʹ52.19ʺN , 8°32ʹ23.77ʺE , 22 November 2003 ( MNCN 48958–48959 ) ; BBPP camp, Caldera de Luba , Bioko , 3°20ʹ47.32ʺN , 8°29ʹ48.44ʺE , 26 November 2003 ( MNCN 48960 ) .