![New findings in a 400 million-year-old Devonian placoderm shed light on jaw structure and function in basal gnathostomes | Scientific Reports New findings in a 400 million-year-old Devonian placoderm shed light on jaw structure and function in basal gnathostomes | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-017-07674-y/MediaObjects/41598_2017_7674_Fig1_HTML.jpg)
New findings in a 400 million-year-old Devonian placoderm shed light on jaw structure and function in basal gnathostomes | Scientific Reports
![Preserved musculature and placoderm phylogeny. (A) Phylogeny showing... | Download Scientific Diagram Preserved musculature and placoderm phylogeny. (A) Phylogeny showing... | Download Scientific Diagram](https://www.researchgate.net/publication/237843522/figure/fig1/AS:616359163613205@1523962884511/Preserved-musculature-and-placoderm-phylogeny-A-Phylogeny-showing-position-of.png)
Preserved musculature and placoderm phylogeny. (A) Phylogeny showing... | Download Scientific Diagram
![Species New to Science: [PaleoIchthyology • 2008] Materpiscis attenboroughi • Live Birth in the Devonian Period: Placoderm Fish from the Gogo Area of north-west Western Australia Species New to Science: [PaleoIchthyology • 2008] Materpiscis attenboroughi • Live Birth in the Devonian Period: Placoderm Fish from the Gogo Area of north-west Western Australia](http://3.bp.blogspot.com/-9t7C0BRL6oM/V7VZ3HhXw2I/AAAAAAAA6S4/RD3tSuzze14nXgITLVs3rjFvR0Th87JYQCK4B/s1600/Materpiscis_attenboroughi-novataxa_2008-Long-Trinajstic-Young-et-Senden_.jpg)
Species New to Science: [PaleoIchthyology • 2008] Materpiscis attenboroughi • Live Birth in the Devonian Period: Placoderm Fish from the Gogo Area of north-west Western Australia
Royal Tyrrell Museum of Palaeontology - Placoderms are an extinct group of jawed fishes with bony armour covering their head and neck region. Dunkleosteus was the largest placoderm and the top predator
![Fossilized ontogenies: the contribution of placoderm ontogeny to our understanding of the evolution of early gnathostomes - Johanson - 2014 - Palaeontology - Wiley Online Library Fossilized ontogenies: the contribution of placoderm ontogeny to our understanding of the evolution of early gnathostomes - Johanson - 2014 - Palaeontology - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/f0aee97a-f048-4a1f-99ca-800bad00ad00/pala12093-fig-0001-m.jpg)