Eugaleaspidiformes
Extinct order of jawless vertebrates
From Wikipedia, the free encyclopedia
Eugaleaspidiformes (from Latin, "Helmet shield shapes") is an extinct order of jawless marine and freshwater fish, which lived in East Asia from the Telychian to the Lower Devonian period.[1] The order was first named by Lui in 1965.[2]
| Eugaleaspidiformes Temporal range: | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Infraphylum: | Agnatha |
| Class: | †Galeaspida |
| Order: | †Eugaleaspidiformes Lui, 1965 |
| Families and Genera | |
| |
Phylogeny
An analysis by Zhang and colleagues in 2026 obtained the following phylogenetic tree by strict consensus of 6 maximum parsimony trees:[3]
| Eugaleaspidiformes |
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