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]
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]
^ abBrazeau, Martin D.; Giles, Sam; Dearden, Richard P.; Jerve, Anna; Ariunchimeg, Ya.; Zorig, E.; Sansom, Robert; Guillerme, Thomas; Castiello, Marco (7 September 2020). "Endochondral bone in an Early Devonian 'placoderm' from Mongolia". Nature Ecology & Evolution. 4 (11): 1477–1484. Bibcode:2020NatEE...4.1477B. doi:10.1038/s41559-020-01290-2. hdl:10044/1/82739. PMID 32895518.
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minjinia, turgenensis, species, placoderm, from, devonian, mongolia, known, from, single, specimen, preserving, part, skull, including, remains, endochondral, bone, which, indicates, that, mineralised, endoskeleton, evolved, before, split, between, bony, carti. 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 MinjiniaTemporal range Pragian PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification Domain Eukaryota Kingdom Animalia Phylum Chordata Class Placodermi Order incertae sedis Genus MinjiniaBrazeau et al 2020 Species M turgenensis Binomial name Minjinia turgenensisBrazeau et al 2020Classification editIn 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 Galeaspida Osteostraci Gnathostomata Antiarchi Rhenanida Petalichthyida Ptyctodontida Arthrodira Minjinia Entelognathus Ramirosuarezia Janusiscus Eugnathostomata Chondrichthyes OsteichthyesReferences edit a b Brazeau Martin D Giles Sam Dearden Richard P Jerve Anna Ariunchimeg Ya Zorig E Sansom Robert Guillerme Thomas Castiello Marco 7 September 2020 Endochondral bone in an Early Devonian placoderm from Mongolia Nature Ecology amp Evolution 4 11 1477 1484 Bibcode 2020NatEE 4 1477B doi 10 1038 s41559 020 01290 2 hdl 10044 1 82739 PMID 32895518 nbsp This article about a placoderm is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Minjinia amp oldid 1214342590, wikipedia, wiki, book, books, library,
