Dunyu

{{Short description|Extinct genus of jawless vertebrates}}

{{Automatic taxobox

| fossil_range = Silurian, {{fossil_range|433|422}}

| image = Dunyu longiforus.jpg

| image_caption = Life reconstruction of Dunyu longiforus

| taxon = Dunyu

| authority = Zhu et al., 2012

| type_species = {{extinct}}Dunyu longiforus

| type_species_authority = Zhu et al., 2012

| subdivision_ranks = Species

| subdivision = * D. longiforus Zhu et al., 2012

• D. tianlu Li et al., 2024
• D. xiushanensis (Liu, 1983) Zhu et al., 2012

| synonyms = *Eugaleaspis xiushanensis Liu, 1983

}}

Dunyu (meaning "shield fish" in Hanyu Pinyin) is an extinct genus of eugaleaspidiform galeaspid known from the Silurian of Yunnan, southwestern China.{{cite journal |author1=Min Zhu |author2=Yu-Hai Liu |author3=Lian-Tao Jia |author4=Zhi-Kun Gai |year=2012 |title=A new genus of eugaleaspidiforms (Agnatha: Galeaspida) from the Ludlow, Silurian of Qujing, Yunnan, Southwestern China |journal=Vertebrata PalAsiatica |volume=50 |issue=1 |pages=1–7 |url=http://www.ivpp.cas.cn/cbw/gjzdwxb/xbwzxz/201202/P020120209570559195969.pdf}} Two species are known: D longiforus, the type species and D. xiushanensis, which was initially named as a species of Eugaleaspis.Liu, S. F. (1983). Agnatha from Sichuan, China. Vertebrata PalAsiatica, 21, 97–102. [In Chinese with English summary] 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.