Rana (Ptychaedena) cooperi Parker, 1930, Proc. Zool. Soc. London, 1930: 3. Holotype: BMNH 1927.7.5.15, according to XXX. Type locality: "Wouramboulchi, Ethiopia".
Rana (Ptychadena) cooperi — Dubois, 1981, Monit. Zool. Ital., N.S., Suppl., 15: 233. by implication.
Ptychadena cooperi — Dubois, 1987 "1986", Alytes, 5: 56. by implication.
Ptychadena (Ptychadena) cooperi — Dubois, 1992, Bull. Mens. Soc. Linn. Lyon, 61: 316.
Cooper's Grassland Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 105).
Dark-bellied Grass Frog (Largen and Spawls, 2010, Amph. Rept. Ethiopia Eritrea: 180-181).
Ethiopian Plateau on both sides of the Rift in grassland and forest-edge at 2500-3100 m elevation.
See Perret, 1980, Monit. Zool. Ital., N.S., Suppl., 13: 167. Largen, 2001, Tropical Zool., 14: 336-337, discussed distribution. See account, photograph, and map for Ethiopia by Largen and Spawls, 2010, Amph. Rept. Ethiopia Eritrea: 179-181.
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