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MAMÍFEROS MARINHOS

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Evolução dos mamíferos�Mammal evolution

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Life began about 4GY ago

Eucariotes (and sex) are less than 2GY old

Animals appeared around 1GY ago, in the sea

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First mammals

First amniots

First animals

Chronology of life

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Cladogram of vertebrates

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Chronology & evolution of vertebrates

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Chronology & evolution of vertebrates

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Carbonífero inferior

Devónico

Carbonífero superior

Pérmico

Tetrapods & amniotes

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Carbonífero inferior

Devónico

Carbonífero superior

Pérmico

Amphibians

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Jurássico

Triássico

Cretácico

Pérmico

Paleocénico

Marine reptiles

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Ictiosauro

Plesiosauro

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Cretácico

Jurássico

Paleogénico

Neogénico

Triássico

Pérmico

K-T extinction

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Mammal radiation

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Mammal chronology & cladogram

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Marine mammal chronology

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Cretácico

Cenozóico

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Fonte: Nery et al., 2012. Resolution of the laurasiatherian phylogeny: Evidence from genomic data. Molecular Phylogenetics and Evolution

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Ordovício

Devónico

Pérmico

Triássico

Cretácico

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Pérmico

Triássico

Cretácico

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