Yongdongaspis Explained
Yongdongaspis, colloquially known as the Binhai Yongdong,[1] [2] is an extinct genus of galeaspid within the monotypic family Yongdongaspididae. The type species is Y. littoralis and it was found in the Silurian-aged Huixingshao Formation of China.[3] This makes it the oldest known fish fossil discovered in Chongqing to date.
Discovery and naming
The holotype was excavated in July 2020 and was prepared in 2021, before being named as the new species Yongdongaspis littoralis in July 2022.
Description
Based on the holotype, Yongdongaspis only grew to around 5cm (02inches) long.
See also
Notes and References
- Web site: Over 400-mln-yr-old fossil of fish found in China - China.org.cn. www.china.org.cn.
- Web site: They find remains of a fish that lived 400 million years ago. March 4, 2022.
- Chen . Yang . Gai . Zhikun . Li . Qiang . Wang . Jianhua . Peng . Lijian . Wei . Guangbiao . Zhu . Min . A New Family of Galeaspids (Jawless Stem-Gnathostomata) from the Early Silurian of Chongqing, Southwestern China . Acta Geologica Sinica - English Edition . April 2022 . 96 . 2 . 430–439 . 10.1111/1755-6724.14909. 2022AcGlS..96..430C . 247063430 .
