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Temporal range: Late Silurian
Guiyu BW.jpg
An artist's illustration of Guiyu oneiros
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Superclass: Osteichthyes
Class: Sarcopterygii
Genus: Guiyu
Zhu et al., 2009
Type species
Guiyu oneiros
Zhu et al., 2009

Guiyu is a bony fish from late Silurian China. It is a link between the Actinopterygian fish and the Sarcopterygii fish.