Bufo lönnbergi Andersson, 1911, K. Svensk. Vetensk. Akad. Handl., 47: 35. Syntypes: BMNH 1911.7.7.4-5, MCZ 17804, 17830-31 (exchanged from NHRM according to Barbour and Loveridge, 1946, Bull. Mus. Comp. Zool., 96: 83), and NHRM (3 specimens), according to A.G.C. Grandison in Frost, 1985, Amph. Species World: 52 (28 specimens noted in original description—DRF). Type locality: "Kenia [Mt. Kenya region], . . . in waterfilled elephant-tracks, 2,500 m. above the sea" and "between Blue Post and Roiru river", Kenya.
Bufo lönnbergi lönnbergi — Loveridge, 1932, Occas. Pap. Boston Soc. Nat. Hist., 8: 49.
Bufo loennbergi — Grandison, 1972, Zool. Meded., Leiden, 47: 31. Incorrect subsequent spelling.
Bufo lonnbergi —Grandison In Frost, 1985, Amph. Species World: 52. Mandatory emendation.
Mertensophryne lonnbergi — Frost, Grant, Faivovich, Bain, Haas, Haddad, de Sá, Channing, Wilkinson, Donnellan, Raxworthy, Campbell, Blotto, Moler, Drewes, Nussbaum, Lynch, Green, and Wheeler, 2006, Bull. Am. Mus. Nat. Hist., 297: 365.
Lonnbergs Toad (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 42).
Lönnbergs Toad (Channing and Howell, 2006, Amph. E. Afr.: 82).
Kenya Highlands on both sides of the Rift Valley and on Mount Kenya, above 1800 m elevation.
In the Bufo lonnbergi group of Martin, 1972, in Blair (ed.), Evol. Genus Bufo: 62. In the Bufo taitanus complex of Tandy and Keith, 1972, in Blair (ed.), Evol. Genus Bufo: 156. See Grandison, 1972, Zool. Meded., Leiden, 47: 31-35, for synonymy and review (as Bufo lonnbergi). See comments under Mertensophryne chappuisi, Mertensophryne mocquardi, Mertensophryne nairobiensis, and Mertensophryne nyikae. Art. 32.5.2 ( ICZN, 1999, Internatl. Code Zool. Nomencl., Ed. 4) restricts the exchange of ö for oe to German words; Lönnberg is Swedish. Channing and Howell, 2006, Amph. E. Afr.: 82-83, provided an account. See statement of geographic range, habitat, and conservation status (as Bufo lonnbergi) in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 611. Wasonga and Channing, 2007, Salamandra, 43: 239-244, documented the larval synapomorphy in this species.
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