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[Morphologic study of the embryonic development of the Amazonian turtle Podocnemis expansa, Pelomedusidae]
T M Danni1, M A Dardenne, S M Nascimento
1Departamento de Genética e Morfologia, UnB, Campus Asa Norte Brasília-DF.
Revista Brasileira De Biologia
|August 1, 1990
Abstract:
Two egg groups from four clutches of the Amazon turtle, Podocnemis expansa, were incubated at 32-34 degrees C and 35-38 degrees C, respectively. The incubation of the first group lasted approximately 47 days and the second 43 days. To standardize the stages, a series of 25 stages was recorded, based on observation of morphological evolution related to incubation duration and its respective temperatures.