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Kimbryanodus Temporal range: Frasnian–Famennian PreꞒ Ꞓ O S D C P T J K Pg N
An illustration of Kimbryanodus from Devonian Australia
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Placodermi
Order:	†Ptyctodontida
Family:	†Ptyctodontidae
Genus:	†Kimbryanodus Trinajstic & Long, 2009
Species:	†K. williamburyensis
Binomial name
†Kimbryanodus williamburyensis Trinajstic & Long, 2009

Kimbryanodus is a genus of extinct ptyctodontid placoderm fish from the Frasnian of Australia.These placoderms can be told apart from others due to the large eyes, crushing tooth plates, long bodies, reduced armor, and a superficial resemblance to holocephalid fish. The group is so far the only Placoderms known with sexually dimorphic features. The fossils occur as small three dimensional isolated plates. Because of these new specimens the Ptyctodontid grouping got a taxonomic classification, it found that the genus Rhamphodopsis to be the most basal taxa. They are divided by having the more basal taxa having a median dorsal spine, a simple spinal plate, and a simple V-shaped overlap of the anterior lateral and the anterior dorsolateral plates.

References

1. ^ Trinajstic, Kate; Long, John A. (2009). "A new genus and species of Ptyctodont (Placodermi) from the Late Devonian Gneudna Formation, Western Australia, and an analysis of Ptyctodont phylogeny". Geological Magazine. 146 (5): 743–760. Bibcode:2009GeoM..146..743T. doi:10.1017/S001675680900644X. S2CID 85307140.
2. "Polymorphism, variation and evolutionary change in early vertebrates from the Gogo Formation, Western Australia". researchgate.net.

• Ptyctodontids