Ymboirana acrux is documented by holotype DGM 1462-R from the Oligocene Tremembe Formation in Brazil's Taubate Basin. The partially preserved skeleton records this fossil occurrence, not the species's complete distribution, exact origin time or a global first appearance of aquatic caecilians. This navigation entry is not a phylogeny or a complete taxon dossier.
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Ymboirana acrux is documented by holotype DGM 1462-R from the Oligocene Tremembe Formation in Brazil's Taubate Basin. The partially preserved skeleton records this fossil occurrence, not the species's complete distribution, exact origin time or a global first appearance of aquatic caecilians.
claim:taxon:ymboirana