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The Sound of Evolution
Early Mammals and Their Relatives
Non-Mammalian Synapsids
Ergetiis ichchi
Secodontosaurus obtusidens
Cotylorhynchus romeri
Afrotheria
Arsinoitherium zitteli
Euarchontoglires
Australopithecus afarensis
Xenarthra
Megatherium americanum
Glossotherium robustum
Laurasiatheria
Phiomicetus anubis
Chilotherium anderssoni
Other Eutherians
Toxodon platensis
Metatheria
Monotremata
Other Mammals
Paulchoffatia delgadoi
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