References / paperPhylogenomic analyses of echinoid diversification prompt a re-evaluation of their fossil record
Mongiardino Koch, N.; Thompson, J.R.; Hiley, A.S.; McCowin, M.F.; Armstrong, A.F.; et al.
Year2022
Source roleprimary-study
DOI / ID10.7554/eLife.72460
Fitness and scope
topology · range · geochronology
Open-access version of record under CC BY 4.0.
Claim ledger
divergence-time · mediumPhylogenomic dating places the origin of crown Echinoidea between the Pennsylvanian and Cisuralian across analyses, with most posterior probability in the early Permian; Ordovician echinoids are stem-group records.
claim:taxon:echinoidea:crown-origin