Phymosteus

Phymosteus
Temporal range: Early Famennian[1]
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: †Placodermi
Order: †Arthrodira
Suborder: †Brachythoraci
Family: †Selenosteidae
Genus: †
Wang and Zhu, 2004
Species:
†P. liui
Binomial name
†Phymosteus liui
Wang and Zhu, 2004

Phymosteus liui is an extinct large selenosteid arthrodire placoderm known from the Lower Famennian Xiejingshi Formation of Shimen County, Hunan province, in central China.[1]

The holotype and only known specimen of P. liui is a V-shaped median dorsal plate with a distinctive texture.[1] Because the fossil is incomplete, its exact relationship to the other selenosteids can not be satisfactorily determined.

References

  1. ^ a b c Wang, Junqing, and Min Zhu. "A new eubrachythoracid arthrodire from the upper devonian of Hunan China." Vertebrata Pal Asiatica 42.2 (2003): 154-161. [1]


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