Reposted by Merle Greif
🧪So happy this is finally out after almost four years!
We try to bring some order to the messy taxonomy of an iconic jawless fish. 🐟
Thanks to @evopalaeo.bsky.social, Madleen, Mike, @fossilrob.bsky.social & to all who contributed to this research!
onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
The taxonomy and phylogeny of British ‘cephalaspids’
Osteostracans are considered the sister group of jawed vertebrates and are phylogenetically the earliest branching vertebrate lineage to exhibit true paired fins with endoskeletal support. This means...