What frog gill resorption brings: loss of function, cell death, and metabolic reorganization

Table 1 The correspondences between different amphibian developmental tables

Developmental phase	Anuran stage number (Gosner, 1960) [22]	*Xenoups* stage number (Nieuwkoop and Faber, 1994) [23]	*M. fissipes* stage number (Wang et al., 2017) [21]	Developmental features
Pro-metamorphosis	37	55	37	All toes completely separated
Pro-metamorphosis	38	56-57	38-39	Metatarsal tubercle
Pro-metamorphosis	39	57	40	Subarticular tubercles
Pro-metamorphosis	40	58	40	Disappearance of vent tube I
Pro-metamorphosis	41	59	41	Disappearance of vent tube II
Metamorphic climax	42	60-61	42	Emergence of forelimbs
Metamorphic climax	43	62	42-43	Tail degeneration I
Metamorphic climax	44	63	43	Tail degeneration II
Metamorphic climax	45	64-65	44	Tail degeneration III
Post-metamorphosis	46	66	45	Complete metamorphosis

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