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Last Universal Common Ancestor
Plantae
Tracheophyta
Pteridophyta
Equisetopsida
Calamitaceae
Annularia
Annularia sphenophylloides
Annularia stellata
Annularia yongmansi
Asterophyllites
Asterophyllites equisetiformis
Calamites
Calamites suckowi
Problematic Rooting (41268)
Pluteaceae
Annularia