Biblio
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(1960). Climate and breeding in Xenopus laevis.
South African Journal of Science . 271-276.
(1999). Reproductive timing nest construction and tadpole guidance in African pig-nosed frog, Hemisus marmoratus.
Journal of Herpetology. 119-123.
(1968). A new species of Bufo from Africa, with comments on the toads of the Bufo regularis complex..
American Museum Novitates . 2345, 1-22.
(1991). Whole-mount staining of Xenopus and other vertebrates.
Methods in Cell Biology. 36, 419-441.
(1976). Food habits of Aubria subsigillata in Gaboon (Anura: Ranidae).
Zoologica Africana. 11(2), 369-371.
(1996). The extant species.
The Biology of Xenopus. Symposia of the Zoological Society of London 68.. 9-33 in Tinsley, R.C., and H.R. Kobel, eds. . Oxford, UK.: Clarendon Press.
(1980). Xenopus amieti sp. nov. (Anura: Pipidae) from the Cameroons, another case of tetraploidy..
Revue Suisse de Zoologie . 87, 919-926.
(1989). Dynamics of mitochondrial DNA evolution in animals: amplification and sequencing with conserved primers.
Proceedings of the National Academy of Science. 86, 6196-6200.
(2006). A new species of arboreal Leptopelis (Anura : Arthroleptidae) from the forests of western Kenya.
Herpetological Journal. 16, 183-189. Abstract
(2007). Herpetological type specimens in the natural history collections of the museums in Darmstadt and Wiesbaden, Germany.
Spixiana. 30(2), 275-288. Abstract
Download: Köhler & Güsten 2007 types Darmstadt Wiesbaden.pdf (1.01 MB)
(2005). Contribution to the taxonomy of hyperoliid frogs (Amphibia: Anura: Hyperoliidae): advertisement calls of twelve species from East and Central Africa.
African Zoology. 40, 127-142. Abstract
Download: Köhler et al 2005 hyperoliid calls.pdf (955.24 KB)
(2009). The identity of Hylambates rufus aubryioides Andersson, 1907 (Anura: Arthroleptidae) from Cameroon.
Copeia. 2009(1), 57-61. Download: Köhler 2009 Leptopelis aubryioides.pdf (1.33 MB)
(1989). Channel construction by the African Bullfrog: another anuran parental care strategy..
Journal of Herpetology . 435-437.
(1988). Natalobatrachus bonebergi (Anura: Ranidae) aspects of early development and adult size.
South African Journal of Zoology. 23, 238-241. Abstract
(1997). Anuran diversity in pure grassland as determined by pitfall trapping.
Journal of African Zoology. 111, 437-440. Abstract
(2008). Prey composition of two syntopic Phrynobatrachus species in the swamp forest of Banco National Park, Ivory Coast.
Salamandra. 44, 177-186. Abstract
(2007). A rapid survey of the amphibians from the Atewa Range Forest Reserve, Eastern Region, Ghana.
RAP Bulletin of Biological Assessment. 47, 76-83.
(1912). On the hair-like appendages in the frog Astylosternus robustus (Blgr).
Bulletin of the Museum of Comparative Zoology. 53(9), 371-377. Download: Kükenthal_1912.pdf (1.92 MB)

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