Galeaspidomorphi - Eugaleaspidiformes - Yongdongaspididae

Full reference: Y. Chen, Z. Gai, Q. Li, J. Wang, L. Peng, G. Wei, and M. Zhu. 2022. A New Family of Galeaspids (Jawless Stem‐Gnathostomata) from the Early Silurian of Chongqing, Southwestern China. Acta Geologica Sinica - English Edition 96(2):430-439

Parent taxon: Eugaleaspidiformes according to Y. Chen et al. 2022

Sister taxa: Anjiaspis, Eugaleaspididae, Meishanaspis, Shuyu, Shuyuidae, Sinogaleaspididae, Sinogaleaspis, Tridensaspidae, Tujiaaspidae, Xitunaspis

Subtaxa: Yongdongaspis

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Ecology: planktonic suspension feeder

Distribution: found only at Chongqing lagerstatte near Lianghe village, Yongdong Township (Silurian of China)

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