Acanthixalus spinosus (Buchholz and Peters, 1875)

Sánchez-Vialas, Alberto, Calvo-Revuelta, Marta, Castroviejo-Fisher, Santiago & De, Ignacio, 2020, Synopsis of the Amphibians of Equatorial Guinea based upon the Authors’ Field Work and Spanish Natural History Collections, Proceedings of the California Academy of Sciences 66 (8), pp. 137-230 : 159

Acanthixalus spinosus (Buchholz and Peters, 1875)

TYPE LOCALITY.— “Cameruns”, restricted to Douala by Frétey et al. (2014) .

DISTRIBUTION.— Acanthixalus spinosus ranges across the rainforests of Nigeria, Cameroon and Democratic Republic of Congo, as well as Equatorial Guinea, where it has been recorded in Río Muni at Cabo San Juan ( Boulenger 1903) ( Map 14B ).

COMMENTS.— No more specimens have been observed in Equatorial Guinea since Boulenger (1903).

SPECIMENS EXAMINED.— No specimens were found at the collections examined by us in this study.

Afrixalus Laurent, 1944

Afrixalus dorsalis (Peters, 1875)

TYPE LOCALITY.— “Boutry” mouth of River Butre , Ghana, and “Victoria in einem Wassertümpel”, Cameroon. Meterns (1938) restricted the type locality to “Boutry” .

DISTRIBUTION.— From eastern Sierra Leone to Cameroon, southwards to Angola. There are general references to the presence of this species in mainland Equatorial Guinea ( Schiøtz 1999; Frétey and Blanc (2000) ( Map 14C ).

COMMENTS.— We provide the first accurate record of A. dorsalis for Equatorial Guinea, confirming its presence in Río Muni. The coloration pattern of the specimen examined here corresponds to the taxon A. d. regularis Laurent, 1951 (see Amiet 2012).

SPECIMENS REVISED.— One specimen. Río Muni: Asonga , Bata, 14 October 1985 ( EBD 21025 ) .

Figures

MAPS 14A–C. Distribution maps for Equatorial Guinean records of (A) Conraua goliath; (B) Acanthixalus spinosus; (C) Afrixalus dorsalis.