Phymosteus

Phymosteus; Temporal range: Early Famennian
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Placodermi
Order:	†Arthrodira
Suborder:	†Brachythoraci
Family:	†Selenosteidae
Genus:	†Phymosteus; 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 edit

^ ^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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[WanZhu-1] 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]

[1]