Boulengerula boulengeri Tornier, 1896

Class: Amphibia > Order: Gymnophiona > Family: Herpelidae > Genus: Boulengerula > Species: Boulengerula boulengeri

Boulengerula boulengeri Tornier, 1896, in Möbius (ed.), Deutsch Ost-Afr., 3: 164. Syntypes: ZMB (5 specimens) (reported as mislaid or lost by Taylor, 1968, Caecilians of the World: 337) and BMNH 1946.9.5.1 (formerly 1895.11.15.3) according to Taylor, 1968, Caecilians of the World: 337; ZMB 13224A designated lectotype by Bauer, Good, and Günther, 1993, Mitt. Zool. Mus. Berlin, 69: 286. Type locality: "Usambara", Tanga Division, Tanzania.

English Names

Boulenger's Caecilian (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 23; Channing and Howell, 2006, Amph. E. Afr.: 343).

Usambara Bluish-gray Caecilian (Ananjeva, Borkin, Darevsky, and Orlov, 1988, Dict. Amph. Rept. Five Languages: 12).


East Usambara, West Usambara (see comment), and Magrotto mountains, northeastern Tanzania.

Geographic Occurrence

Natural Resident: Tanzania

Endemic: Tanzania


See account by Channing and Howell, 2006, Amph. E. Afr.: 343-344. Loader, Wilkinson, Cotton, Measey, Menegon, Howell, Müller, and Gower, 2011, Herpetol. J., 21: 5-16, suggested that populations from the West Usambara Mountains probably represented two unnamed species. See also comments by Loader, Poynton, Lawson, Blackburn, and Menegon, 2011, Fieldiana, Life Earth Sci., 4: 98, regarding the possible cryptic species. Harper, Measey, Patrick, Menegon, and Vonesh, 2010, Field Guide Amph. E. Arc Mts. Tanzania and Kenya: 298–299, provided a brief account and photograph. Channing and Rödel, 2019, Field Guide Frogs & Other Amph. Afr.: 28–29, provided a brief account, photograph, and range map. 

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