| Vanzolini, P. E. (1994). On the distribution of certain south american turtles (testudines: testudinidae and chelidae). Smithsonian Herpetol. Inform. Serv., 97, 1–10. |
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| Last edited by: Beate Pfau 07 Aug 2011 09:28:09 UTC |
Pop. 4%
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| Velasquez, J. D. L. O. L. (2000). Phrynops dahli, eine wenig bekannte schildkrötenart von der karibikküste kolumbiens. Reptilia, 5(1), 63–66. |
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| Added by: Admin 14 Aug 2008 22:46:58 UTC |
Pop. 2.25%
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| Wicker, R. (1984). Beobachtungen bei mehrjähriger zucht von phrynops geoffroanus geoffroanus (schweigger, 1812). Salamandra, 20, 185–191. |
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| Added by: Admin 24 Aug 2008 20:04:49 UTC |
Pop. 2.25%
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| Zago, C. E. S., Ferrarezi, A. L., Vizzotto, L. D., Oliveira, C., Cabral, S. R. P., & Taboga, S. R., et al. (2010). Hemoglobin polymorphism and hematological profile of geoffroy’s side-necked turtle (phrynops geoffroanus, testudines) in the northwestern region of são paulo state, brazil. Genetics and molecular research : GMR, 9(2), 721–726. |
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| Last edited by: Beate Pfau 13 May 2010 11:59:18 UTC |
Pop. 3.25%
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| Zoologischer Garten der Stadt Frankfurt am Main. (1987). Junge krötenkopfschildkröten (phrynops geoffroanus geoffroanus) im exotarium des frankfurter zoo. Aquarien-Magazin, 21 (7), 265. |
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| Added by: Admin 24 Aug 2008 17:39:55 UTC |
Pop. 2.75%
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| Zoologischer Garten der Stadt Frankfurt am Main. (1993). Krötenkopfschildkröten-schwemme im exotarium. DATZ, 46 (1), 9. |
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| Added by: Sarina Wunderlich 23 Aug 2008 14:56:23 UTC |
Pop. 2.75%
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| Zoologischer Garten der Stadt Frankfurt am Main. (1987). Junge krötenkopfschildkröten im exotarium des frankfurter zoologischen gartens. DATZ, 40 (1), 47. |
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| Added by: Admin 24 Aug 2008 17:39:55 UTC |
Pop. 2.75%
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| Zoologischer Garten der Stadt Frankfurt am Main. (1986). Neues aus dem zoo frankfurt. Herpetofauna, 8(44), 9. |
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| Added by: Admin 24 Aug 2008 20:00:23 UTC |
Pop. 2.75%
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