Brazilichthys is an extinct genus of prehistoric freshwater ray-finned fish that lived during the Cisuralian (early Permian) epoch in what is now Maranhão, Brazil (Parnaíba Basin).[1][2] The type and only species, B. macrognathus, is known from a single partially complete skull (ca. 80 millimetres (3.1 in) long),[3] which was recovered from the Pedra de Fogo Formation near Pastos Bons, Maranhão, Brazil.[1]

Brazilichthys
Temporal range: Cisuralian
~279.3–272 Ma
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Family: Brazilichthyidae
Cox & Hutchinson, 1991
Genus: Brazilichthys
Cox & Hutchinson, 1991
Species:
B. macrognathus
Binomial name
Brazilichthys macrognathus
Cox & Hutchinson, 1991

Classification

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Brazilichthys is referred to its own family, Brazilichthyidae[3] (monotypy). Its evolutionary relationships to other genera are not well known. It was hypothesized that Brazilichthys could be closely related to the Triassic Birgeria,[4] though this was subsequently considered unlikely.[1]

See also

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References

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  1. ^ a b c Figueroa, Rodrigo T.; Friedman, Matt; Gallo, Valéria (2019). "Cranial anatomy of the predatory actinopterygian Brazilichthys macrognathus from the Permian (Cisuralian) Pedra de Fogo Formation, Parnaíba Basin, Brazil". Journal of Vertebrate Paleontology. 39 (3): e1639722. Bibcode:2019JVPal..39E9722F. doi:10.1080/02724634.2019.1639722. S2CID 92614261.
  2. ^ "PBDB". paleobiodb.org. Retrieved 2024-04-02.
  3. ^ a b Cox, C. Barry; Hutchinson, Peter (1991). "Fishes and amphibians from the late Permian Pedra De Fogo Formation of northern Brazil" (PDF). Palaeontology. 34 (3): 561–573.
  4. ^ Romano, Carlo; Brinkmann, Winand (2009). "Reappraisal of the lower actinopterygian Birgeria stensioei ALDINGER, 1931 (Osteichthyes; Birgeriidae) from the Middle Triassic of Monte San Giorgio (Switzerland) and Besano (Italy)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 252 (1): 17–31. doi:10.1127/0077-7749/2009/0252-0017.