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 ~ | |
|---|---|
Scientific 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
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
References
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