Ymboirana

Ymboirana
Temporal range: Oligocene,
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Gymnophiona
Clade: Apoda
Family: Typhlonectidae
Genus: †
Santos, Wilkinson, do Couto Ribeiro, Carvalho & Zaher, 2024
Species:
†Y. acrux
Binomial name
†Ymboirana acrux
Santos, Wilkinson, do Couto Ribeiro, Carvalho & Zaher, 2024

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]

References

  1. ^ Santos, R. O.; Wilkinson, M.; Couto Ribeiro, G.; Carvalho, A. B.; Zaher, H. (2024). "The first fossil record of an aquatic caecilian (Gymnophiona: Typhlonectidae)". Zoological Journal of the Linnean Society. 202 (2). doi:10.1093/zoolinnean/zlad188.
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