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 Leptopelis boulengeri (Werner, 1898) Photo figure 8C TYPE LOCALITY .— “Victoria Kamerun”, [ Limbé , Cameroon ] DISTRIBUTION .— This species is widespread over the Gulf of Guinea region, from southeastern Nigeria to Gabon and Democratic Republic of Congo . In Equatorial Guinea , it has been recorded from Bioko ( Boulenger 1906a ; Ahl 1929 ; Bell et al. 2019 ) and Río Muni ( Ahl 1929 ; De la Riva 1994 ). Our revision provides additional records from Río Muni ( Map 7C ). COMMENTS .— Some records of this species are located in Equatorial Guinea under the synonym of Leptopelis poensis Ahl, 1929 for Bioko populations ( Type locality: Fernando Poo [ =Bioko ]), and Leptopelis violescens Ahl, 1929 for Río Muni populations ( Type locality: Makomo, Spanish-Guinea). SPECIMENS EXAMINED .— Nineteen specimens . Miboman km 27 Ctra Bata-Movo , 1984 ( EBD 19633 ) , April 1988 ( EBD 27824 ) ; Ayebe ( Akurene ), cerca de la cascada de Nguelensok , 15 June 1986 ( EBD 21012 , EBD 21020 ) ; Cabo San Juan , 19 August 1901 ( MNCN 4000– 4001 ) , 21 August 1901 ( MNCN 4002–4003 , MNCN 4038–4041 ), August 1901 ( MNCN 4042–4048 ) .