Name: NF stage 60
XAO ID: 1000072
Definition: "Nieuwkoop and Faber stage 60, corresponding to a tadpole of age about 46 days at 22-24 Celsius and having the following external morphological criteria: N. olfactorius still longer than bulbus olfactorius. Guanophores appearing on lower jaw (adult skin area). Openings of gill chambers still wide. Distal half of fingers of stretched forelimb extending beyond base of hindlimb; forelimb still situated behind level of heart. Adult skin area of base of forelimb covered with guanophores; anterior border of adult skin area on abdomen sharper, reaching up to heart."
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