Dunyu (meaning "shield fish" in Hanyu Pinyin) is an extinct genus of eugaleaspidiform galeaspid known from the Silurian of Yunnan, southwestern China.[1][2] Two species are known: D longiforus, the type species[1] and D. xiushanensis, which was initially named as a species of Eugaleaspis.[2] The type specimen of D. longiforus is IVPP V 17681, a complete cephalic shield prepared by C. H. Xiong, and the holotype of D. xiushanensis is IVPP V 6793.1, another complete cephalic shield.[1]

Dunyu
Temporal range: Silurian, 433–422 Ma
Life reconstruction of Dunyu longiforus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Galeaspida
Order: Eugaleaspidiformes
Family: Eugaleaspidae
Genus: Dunyu
Zhu et al., 2012
Type species
Dunyu longiforus
Zhu et al., 2012
Species
  • D. longiforus Zhu et al., 2012
  • D. tianlu Li et al., 2024
  • D. xiushanensis (Liu, 1983) Zhu et al., 2012
Synonyms

References

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  1. ^ a b c Min Zhu; Yu-Hai Liu; Lian-Tao Jia; Zhi-Kun Gai (2012). "A new genus of eugaleaspidiforms (Agnatha: Galeaspida) from the Ludlow, Silurian of Qujing, Yunnan, Southwestern China" (PDF). Vertebrata PalAsiatica. 50 (1): 1–7.
  2. ^ a b Liu, S. F. (1983). Agnatha from Sichuan, China. Vertebrata PalAsiatica, 21, 97–102. [In Chinese with English summary]