Palaeos:		Gnathostomata
The Vertebrates		References

Gnathostomata : References

Vertebrata
|--Conodonta
`--+--Pteraspidomorphi
   `--Thelodonti
      `--+--Loganiidae or Osteostraci
         `--Gnathostomata
            |--+--Stensioella
            |   `--Ramirosuarezia
            |--Pseudopetalichthyida
            |--Placodermi
            `--Acanthodii
               |--Chondrichthyes
               `--Teleostomi
                  |--Acanthodii (in part)
                  `--Osteichthyes
                     |--Actinopterygii
                     `--Sarcopterygii

Brazeau, M.D. 2009. The braincase and jaws of a Devonian 'acanthodian' and the origin of modern gnathostomes. Nature 457:305-308
Dendrogram

Janvier, P (1996), Early Vertebrates, Oxford, 393 pp.
Dendrogram

Moy-Thomas, J. A. & Miles, R. S. Paleozoic Fishes (2nd ed)Chapman and Hall, London, 1971.

Pseudopetalichthyida

Pradel, A., Maisey, J. G., P. Tafforeau, & Janvier, P., 2009 An enigmatic gnathostome vertebrate skull from the Middle Devonian of Bolivia. Acta Zoologica 90 (s1): 123-133. doi:10.1111/j.1463-6395.2008.00350.x.
Ramirosuarezia

Sansom, R. S., Freedman, K., Gabbott, S. G., Aldridge, R. A. and Purnell, M. A. 2010. Taphonomy and affinity of an enigmatic Silurian vertebrate Jamoytius kerwoodi White. Palaeontology 53: 1393-1409.
Dendrogram

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