Cacosternum

Cacosternum
	Cacosternum platys
Systematics
without rank:	Amphibians (Lissamphibia)
Order :	Frog (anura)
Subordination :	Neobatrachia
Family :	African bullfrogs (Pyxicephalidae)
Subfamily :	Cacosterninae
Genre :	Cacosternum
Scientific name
	Cacosternum
	Boulenger , 1887

Cacosternum is a genus of amphibians in the Pyxicephalidae family .

description

The pupils are horizontal. The tongue is pear-shaped, incised at the back and can be lifted off freely. Teeth and folds of the palate are missing. The eardrum is invisible. There is no webbing on the fingers and almost no webbing on the toes . This does not intervene between the metatarsi of the 4th and 5th toes. The tips of the fingers and toes are not widened. There are no precoracoid. The coracoid are slender. The sternum is extremely small and cartilaginous. The transverse processes of the sacral vertebra are slightly widened.

Occurrence

The genus occurs in southern and eastern Africa.

Systematics

The genus Cacosternum was first described by George Albert Boulenger in 1887 . It includes 16 types:

As of January 4, 2018

Cacosternum aggestum Channing, Schmitz, Burger & Kielgast, 2013
Cacosternum australis Channing, Schmitz, Burger & Kielgast, 2013
Cacosternum boettgeri (Boulenger, 1882)
Cacosternum capense Hewitt, 1925
Cacosternum karooicum Boycott, de Villiers & Scott, 2002
Cacosternum kinangopensis Channing & Schmitz, 2009
Cacosternum leleupi Laurent, 1950
Cacosternum namaquense Werner, 1910
Cacosternum nanogularum Channing, Schmitz, Burger & Kielgast, 2013
Cacosternum nanum Boulenger, 1887
Cacosternum parvum Poynton, 1963
Cacosternum platys Rose, 1950
Cacosternum plimptoni Channing, Brun, Burger, Febvre & Moyer, 2005
Cacosternum rhythmum Channing, Schmidtz, Burger & Kielgast, 2013
Cacosternum striatum FitzSimons, 1947
Cacosternum thorini Conradie, 2014

Individual evidence

^ Fritz Nieden: Anura II . In: FE Schulze, W. Kükenthal, K. Heider (Ed.): Das Tierreich . Walter de Gruyter & Co., Berlin and Leipzig 1926, p. 11.
^ ^A ^b Darrel R. Frost: Cacosternum Boulenger, 1887 . In: Amphibian Species of the World: an Online Reference . Version 6.0. American Museum of Natural History, New York 1998-2017, accessed January 5, 2018.

Web links

Commons : Cacosternum - collection of images, videos and audio files

[Nieden-1] Fritz Nieden: Anura II . In: FE Schulze, W. Kükenthal, K. Heider (Ed.): Das Tierreich . Walter de Gruyter & Co., Berlin and Leipzig 1926, p. 11.

[ASW-2] A ^b Darrel R. Frost: Cacosternum Boulenger, 1887 . In: Amphibian Species of the World: an Online Reference . Version 6.0. American Museum of Natural History, New York 1998-2017, accessed January 5, 2018.