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Temporal range: Late Emsian
Yiminaspis shenme 3.jpg
Yiminaspis shenme
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Placodermi
Order: Arthrodira
Family: Wuttagoonaspidae
Genus: Yiminaspis
Species: Y. shenme
Binomial name
Yiminaspis shenme
Dupret 2008

Yiminaspis shenme is a species of primitive arthrodire placoderm from Emsian-aged marine strata in Yunnan, China. It is closely related to Wuttagoonaspis of Middle Devonian Australia. Y. shenme is known from a flattened partial skull and portions of the thoracic armor.


The genus name translates as "Yi People's shield", deriving from the Chinese name Yímín (simplified Chinese: 彝民; traditional Chinese: 彞民; literally: "Yi People", an ethnic group in China, Vietnam, and Thailand) and the Greek word aspis ("a type of round shield"). The specific name is from Chinese shénme (simplified Chinese: 什么; traditional Chinese: 什麼; literally: "what"), as in "what is it?" reference to the peculiar anatomy of this prehistoric fish.[1]


  1. ^ Dupret, Vincent (Mar 12, 2008). "A New Wuttagoonaspid (Placodermi, Arthrodira) from the Lower Devonian of Yunnan (South China): Origin, Dispersal, and Paleobiogeographic Significance". Journal of Vertebrate Paleontology. 28: 12–20. doi:10.1671/0272-4634(2008)28[12:anwpaf]2.0.co;2.