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Summary Stage Literature (33) Attributions Wiki
XB-STAGE-77

Name: NF stage 63

XAO Id: 1000075

Definition: "Nieuwkoop and Faber stage 63, corresponding to a tadpole of age about 51 days at 22-24 Celsius and having the following external morphological criteria: Head narrower than trunk. Tentacles mostly disappeared. Corner of mouth at level of caudal border of eye. \"Larval aorta\" and thymus gland no longer externally visible. Operculum closed. Adult skin areas on abdomen and lower jaw separated by narrow band of larval skin. Forelimb at level of anterior half of heart. Fin mostly perforated near anus. Tail still slightly longer than body."


Preceded By: NF stage 62 Succeeded By: NF stage 64
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