Ymboirana was an extinct genus of caecilian described based on a fossil found in the Oligocene Tremembé Formation (Taubaté Basin), Brazil. The holotype and only known specimen comprises a partially preserved skeleton, including parts of the skull and vertebral column. Ymboirana was identified as an extinct representative of the family Typhlonectidae, a subgroup of caecilians well known because its members, unlike all other living caecilians, exhibit an aquatic or semi-aquatic lifestyle when adults.[1]
Ymboirana Temporal range: Oligocene, | |
---|---|
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Amphibia |
Order: | Gymnophiona |
Clade: | Apoda |
Family: | Typhlonectidae |
Genus: | †Ymboirana Santos, Wilkinson, do Couto Ribeiro, Carvalho & Zaher, 2024 |
Species: | †Y. acrux |
Binomial name | |
†Ymboirana acrux Santos, Wilkinson, do Couto Ribeiro, Carvalho & Zaher, 2024 |
References
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