| Greenbaum, E. B., & Carr, J. L. (2002). Staging criteria for embryos of the spiny softshell turtle, apalone spinifera (testudines: trionychidae). Journal of Morphology, 254(3), 272–291. |
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| Added by: Admin 14 Aug 2008 20:35:27 UTC |
Pop. 2.5%
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| Greenbaum, E. B., & Carr, J. L. (2001). Sexual differentiation in the spiny softshell turtle (apalone spinifera), a species with genetic sex determination. Journal of Experimental Zoology, 290(2), 190–200. |
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| Last edited by: Beate Pfau 02 Aug 2009 09:26:42 UTC |
Pop. 2.5%
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| Greenbaum, E. B. (2002). A standardized series of embryonic stages for the emydid turtle trachemys scripta. Canadian Journal of Zoology, 80(8), 1350–1370. |
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| Added by: Admin 14 Aug 2008 20:35:27 UTC |
Pop. 2%
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| Greenbaum, E. B. (1999). The enigma of sex determination in reptiles. Bulletin of the Maryland Herpetological Society, 34(4), 113–115. |
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| Last edited by: Beate Pfau 02 Aug 2009 09:20:26 UTC |
Pop. 2.75%
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