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Extinct species of fish From Wikipedia, the free encyclopedia
Minjinia turgenensis is a species of placoderm from the Devonian of Mongolia. It is known from a single specimen preserving part of the skull, including remains of endochondral bone, which indicates that a mineralised endoskeleton evolved before the split between bony and cartilaginous fish, and that it was lost in the latter group.[1]
Minjinia Temporal range: | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | †Placodermi |
Order: | †incertae sedis |
Genus: | †Minjinia Brazeau et al., 2020 |
Species: | †M. turgenensis |
Binomial name | |
†Minjinia turgenensis Brazeau et al., 2020 | |
In the phylogenetic analysis ran by Brazeau et al., M. turgenensis was found as the sister taxon of a clade formed by Entelognathus, Ramirosuarezia, Janusiscus and the crown gnathostomes. A cladogram simplified from their analysis is shown below:[1]
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