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Extinct genus of armored fish From Wikipedia, the free encyclopedia
Amazichthys is an extinct genus of selenosteid arthrodire from the Middle Famennian of the Late Devonian of the Anti-Atlas Mountains of Morocco. It contains a single species, Amazichthys trinajsticae. It is one of a few example of placoderm known from whole body shape, including cartilaginous axial and fin elements.[1]
Amazichthys Temporal range: | |
---|---|
Holotype specimen AA.MEM.DS.8 (A and B), and paratype PIMUZ A/I 4773 (C, D) | |
Life reconstruction | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | †Placodermi |
Order: | †Arthrodira |
Suborder: | †Brachythoraci |
Family: | †Selenosteidae |
Genus: | †Amazichthys Jobbins et al, 2022 |
Species: | †A. trinajsticae |
Binomial name | |
†Amazichthys trinajsticae Jobbins et al, 2022 | |
Amazichthys had a profile similar to that of fast-moving pelagic fishes, with lateral keels for stability, and a lunate caudal fin, suggesting it could reach and maintain high speed.[1] The holotype, AA.MEM.DS.8, is 89.7 cm (35.3 in) long.[1][2]
Amazichthys trinajsticae was named after the North African ethnic group Amazigh (Berbers), and Australian palaeontologist Kate Trinajstic.[1]
Amazichthys is part of Selenosteidae, a family inside the clade Aspinothoracidi, inside of Pachyosteomorphi, along with Dunkleosteoidea.
The cladogram shown here is based on Jobbins et al, 2022.[1]
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