A series of stages in the embryonic development of Chelydra serpentina
- 1 June 1968
- journal article
- research article
- Published by Wiley in Journal of Morphology
- Vol. 125 (2) , 219-251
- https://doi.org/10.1002/jmor.1051250207
Abstract
Eggs of the common snapping turtle, Chelydra serpentina serpentina were incubated at 30°C and at 20°C. The incubation period at the higher temperature was about 63 days. At the lower temperature, the period was estimated to be 140 days. Lengths of the embryos at various times of development were recorded. A series of 26 stages is described. The staging is based on timed intervals at a constant temperature, 20°C.Keywords
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