Ptychadena erlangeri (Ahl, 1924)

Class: Amphibia > Order: Anura > Family: Ptychadenidae > Genus: Ptychadena > Species: Ptychadena erlangeri

Rana erlangeri Ahl, 1924, Mitt. Zool. Mus. Berlin, 11: 5. Holotype: ZMB 26887, according to XXX. Type locality: "Abaja See" (= Lake Abaya), Ethiopia. 

Ptychadena erlangeriPerret, 1980, Monit. Zool. Ital., N.S., Suppl., 13: 151–168; Dubois, 1987 "1986", Alytes, 5: 56; by implication.

Rana (Ptychadena) erlangeriDubois, 1981, Monit. Zool. Ital., N.S., Suppl., 15: 233, by implication.

Ptychadena (Ptychadena) erlangeriDubois, 1992, Bull. Mens. Soc. Linn. Lyon, 61: 316.

Ptychadena largeni Perret, 1994, Bull. Soc. Neuchatel. Sci. Nat., 117: 67. Holotype: MHNG 2513.31, by original designation. Type locality: "Addis Ababa, Shewa (Shoa) 09° 02 N 38° 45 E, alt. 2500 m", Ethiopia. Synonymy with Ptychadena neumanni by Largen, 2001, Tropical Zool., 14: 340; with Ptychadena erlangeri by Goutte, Reyes-Velasco, Freilich, Kassie, and Boissinot, 2021, ZooKeys, 1016: 99, and Reyes-Velasco, Goutte, Freilich, and Boissinot, 2021, ZooKeys,  1070: 135. 

English Names

Erlanger's Grassland Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 105).

Erlanger's Grass Frog (Largen and Spawls, 2010, Amph. Rept. Ethiopia Eritrea: 187).

Distribution

Ethiopia, in the highlands on both sides of the Rift Valley, 2387–3394 m elevation.

Comment

Redescribed and discussed by Perret, 1980, Monit. Zool. Ital., N.S., Suppl., 13: 151–168., who resurrected it from the synonymy of Ptychadena floweri where it had been placed by Loveridge, 1936, Bull. Mus. Comp. Zool., 79: 372. Largen, 2001, Tropical Zool., 14: 339, commented on distribution and habitat. See statement of geographic range, habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 631. See account, photograph, and map for Ethiopia by Largen and Spawls, 2010, Amph. Rept. Ethiopia Eritrea: 187–188. Freilich, Anadón, Bukala, Calderon, Chakraborty, and Boissinot, 2016, BMC Evol. Biol., 16 (206): 1–19, reported on the molecular phylogeography from both sides of the Great Rift in montane Ethiopia. Teme, 2016, J. Zool. Stud., 3(4): 1–6, reported a population from Ekuste River, northwestern Ethiopia. Channing and Rödel, 2019, Field Guide Frogs & Other Amph. Afr.: 342–343, provided a brief account, photograph, and range map. See Goutte, Reyes-Velasco, Freilich, Kassie, and Boissinot, 2021, ZooKeys, 1016: 77–141, for detailed account, phylogenetic placement, morphometrics, advertisement call, habitat, and placement in their Ptychadena erlangeri group of the Ptychadena neumanni complex. See  Reyes-Velasco, Goutte, Freilich, and Boissinot, 2021, ZooKeys,  1070: 135–149, for discussion of literature that confused this taxon with Ptychadena erlangeri. See Goutte, Reyes-Velasco, Freilich, Kassie, and Boissinot, 2021, ZooKeys, 1016: 77–141, for detailed account, phylogenetic placement, morphometrics, advertisement call, habitat, and placement in their Ptychadena neumanni group of the Ptychadena neumanni complex. Specific results of this study were the decisive separation of Ptychadena erlangeri (reported by Freilich et al., 2014, and Reyes et al., 2018) as Ptychadena cf. neumanni 2) from Ptychadena neumanni.  

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