Cacosternum platys Rose, 1950

Class: Amphibia > Order: Anura > Family: Pyxicephalidae > Subfamily: Cacosterninae > Genus: Cacosternum > Species: Cacosternum platys

Cacosternum platys Rose, 1950, Rep. Amph. S. Afr.: 74. Types: Not designated or known to exist. Type locality: "wide distribution on the [Cape] and occur on some low-lying parts of the Peninsula, but from high ground they appear to be entirely absent", Western Cape Province, Rep. South Africa.

English Names

Smooth Dainty Frog (Channing, 2001, Amph. Cent. S. Afr.: 292).

Flat Caco (Du Preez and Carruthers, 2009, Compl. Guide Frogs S. Afr.: 376).

Flat Dainty Frog (Channing, Schmitz, Burger, and Kielgast, 2013, Zootaxa, 3701: 536). 

Distribution

Winter rainfall region of the Western Cape Province, Rep. South Africa, in flooded grassland and seepages at all altitudes.

Comment

Removed from the synonymy of Cacosternum boettgeri by Channing, 2001, Amph. Cent. S. Afr.: 292, where it had been placed by Poynton, 1964, Ann. Natal Mus., 17: 146. Channing, Brun, Burger, Febvre, and Moyer, 2005, Afr. J. Herpetol., 54: 145, noted that this species is only critically distinguishable from Cacosternum boettgeri by call. Pickersgill, 2007, Frog Search: 286-290, provided an account and discussed the ambiguity of application of the name. See also account by Du Preez and Carruthers, 2009, Compl. Guide Frogs S. Afr.: 376-377. Pyron and Wiens, 2011, Mol. Phylogenet. Evol., 61: 543-583, in their study of Genbank sequences, suggested that Cacosternum platys is the sister taxon of Microbatrachella, this likely due to use misidentification of Genbank sequences ifrom 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, that are actually Microbatrachella capensis according to Channing, Schmitz, Burger, and Kielgast, 2013, Zootaxa, 3701: 536, who also provided comments on the biology of this species. Channing, Rödel, and Channing, 2012, Tadpoles of Africa: 337–338, provided information on comparative larval morphology.

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