Teffichthys

Teffichthys is an extinct genus of ray-finned fish from the Early Triassic epoch.[1] Fossils have been found in Madagascar, and possibly also in Angola, Canada, Greenland, and Svalbard.

Teffichthys
Temporal range:
Fossil of T. madagascariensis
Restoration of Teffichthys
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Subclass: Neopterygii
Genus: †Teffichthys
Marramà et al., 2017
Type species
†Perleidus madagascariensis
Piveteau, 1934

Classification

The type species of Teffichthys is Perleidus madagascariensis from the Induan of Madagascar. Perleidus is a Middle Triassic genus; Early Triassic species were referred to this genus based on superficial similarities. In 2017, the genus Teffichthys was erected for "Perleidus" madagascariensis, and the second species from Madagascar ("Perleidus" piveteaui) was synonymized with Teffichthys madagascariensis. Other Early Triassic species currently ascribed to Perleidus might be referrable to Teffichthys, too.[1]

A phylogenetic analysis placed Teffichthys as a stem-neopterygian closely related to Meidiichthys and Plesiofuro.[2]

References
  1. Marramà, G.; Lombardo, C.; Tintori, A. & Carnevale, G. (2017). "Redescription of "Perleidus"(Osteichthyes, Actinopterygii) from the Early Triassic of northwestern Madagascar". Rivista Italiana di Paleontologia e Stratigrafia. 123 (2): 219–242. doi:10.13130/2039-4942/8328.
  2. Xu, G.-H. (2020). "Feroxichthys yunnanensis gen. et sp. nov. (Colobodontidae, Neopterygii), a large durophagous predator from the Middle Triassic (Anisian) Luoping Biota, eastern Yunnan, China". PeerJ. 8: e10229. doi:10.7717/peerj.10229. PMC 7583626. PMID 33150093.


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