Supplementary data files include: - Single-gene phylogenetic analysis of metabolic enzymes and ERAD-like protein translocation machinery (SELMA) in squirmids (.treefiles) - Plastid genome sequences of
A rapid drop of sea level at the Eocene-Oligocene transition (EOT; 34–33 Ma) triggered a marine mass extinction event and the turnover of terrestrial fauna, but its influence on the diversification