Rana (Ptychadena) obscura Schmidt and Inger, 1959, Explor. Parc Natl. Upemba, Miss. G.F. de Witte, 56: 85. Holotype: IRSNB 1425; subsequently reported as IRSNB 1189 by Lang, 1990, Doc. Trav., Inst. R. Sci. Nat. Belg., 59: 12. Type locality: "Kaziba, Parc National de l'Upemba, Province Katanga [=Shaba], Belgian Congo [=Dem. Rep. Congo]".
Ptychadena obscura — Poynton, 1970, Ann. Natal Mus., 20: 369. Dubois, 1987 "1986", Alytes, 5: 56; by implication.
Rana (Ptychadena) obscura — Dubois, 1981, Monit. Zool. Ital., N.S., Suppl., 15: 233. by implication.
Ptychadena (Ptychadena) obscura — Dubois, 1992, Bull. Mens. Soc. Linn. Lyon, 61: 316.
Kaziba Grassland Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 105).
Dark Ridged Frog (Channing, 2001, Amph. Cent. S. Afr.: 333).
Parc National Upemba, Shaba Province (Dem. Rep. Congo) and northern Zambia, in grasslands above 750 m elevation.
See Poynton and Broadley, 1985, Ann. Natal Mus., 27: 147-148, and Channing, 2001, Amph. Cent. S. Afr.: 333-334.
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