Acanthixalus spinosus (Buchholz and Peters, 1875)

Class: Amphibia > Order: Anura > Family: Hyperoliidae > Subfamily: Acanthixalinae > Genus: Acanthixalus > Species: Acanthixalus spinosus

Hyperolius spinosus Buchholz and Peters in Peters, 1875, Monatsber. Preuss. Akad. Wiss. Berlin, 1875: 208. Syntype(s): ZMB 8359 (4 specimens), according to Bauer, Günther, and Klipfel, 1995, in Bauer et al. (eds.), Herpetol. Contr. W.C.H. Peters: 44, these now numbered ZMB 8359 and ZMB 59353–59355 (formerly part of ZMB 8359), according to Tillack, de Ruiter, and Rödel, 2021, Zoosyst. Evol., Berlin, 97: 435, who rejected the syntype status of 2 specimens in ZMG reported by Herrmann, 1989, Veröff. Naturhist. Mus. Schleusingen, 4: 13. Type locality: "Cameruns" (= Cameroon). Type locality discussed and corrected to "Douala", Region Littoral, Cameroon, by Frétey, Dubois, and Ohler, 2014, Alytes, 30: 11–28. 

Megalixalus spinosusBoulenger, 1882, Cat. Batr. Sal. Coll. Brit. Mus., Ed. 2: 130.

Megalixalus (Acanthixalus) spinosusLaurent, 1944, Rev. Zool. Bot. Afr., 38: 110-138.

Acanthixalus spinosusLaurent, 1950, Explor. Parc Natl. Albert, Miss. G.F. de Witte (1933–1935), 64: 14, by implication.

English Names

African Wart Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 65).

Central African Spiny Frog (Channing and Rödel, 2019, Field Guide Frogs & Other Amph. Afr.: 130).


Rainforests of southeastern Nigeria and southern Cameroon to northeastern Dem. Rep. Congo, and from Cameroon south to extreme western Dem. Rep. Congo; possibly extending into southwestern Central African Republic, Equatorial Guinea, and the Cabinda enclave of Angola. 


For new records see Largen and Dowsett-Lemaire, 1991, Tauraco Res. Rept., 4: 154. Schiøtz, 1963, Vidensk. Medd. Dansk Naturhist. Foren., 125: 61, provided a record for Nigeria. See account for Cameroon by Amiet, 2012, Rainettes Cameroun: 53-64.Channing, Rödel, and Channing, 2012, Tadpoles of Africa: 184, reported on comparative tadpole morphology. Baptista, Conradie, Vaz Pinto, and Branch, 2019, In Huntley, Russo, Lages, and Ferrand (eds.), Biodiversity in Angola: 258, doubted that this species will be found in Cabinda, Angola. Dewynter and Frétey, 2019, Cah. Fondation Biotope, 27: 20, summarized the literature for Gabon. Channing and Rödel, 2019, Field Guide Frogs & Other Amph. Afr.: 130–131, provided a brief account, photograph, and range map. See brief account, range map for Equatorial Guinea in Sánchez-Vialas, Calvo-Revuelta, Castroviejo-Fisher, and De la Riva, 2020, Proc. California Acad. Sci., Ser. 4, 66: 137–230. Tillack, de Ruiter, and Rödel, 2021, Zoosyst. Evol., Berlin, 97: 435, discussed the collection and provenance of the primary ZMB types. 

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