Browsing by Author "Diefenbach, Carlos Olegario da C."
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Item Description and geographical variation of the South American Amphisbaena angustifrons : the southernmost amphisbaenian in the world (Reptilia, Amphisbaenia). American Museum novitates ; no. 2494(New York, N.Y. : American Museum of Natural History, 1972) Gans, Carl, 1923-; Diefenbach, Carlos Olegario da C."The species Amphisbaena angustifrons Cope is reappraised on the basis of new specimens from southern South America. Amphisbaena plumbea Gray is treated as a race of angustifrons because of the occurrence of specimens from La Pampa, Argentina, intermediate in character pattern"--P. [1].