List of Transitional Fossils - Evolution of Sirenians

Evolution of Sirenians

The Sirenia Evolutionary Series
Appearance Taxa Relationships Status Description Image
50 Ma

Genus:

  • Pezosiren

A primitive sirenian.

40 Ma

Genus:

  • Prorastomus

??? Ma

Genus:

  • Protosiren
48.6–33.9 Ma

Genus:

  • Eotheroides

An evolutionary bridge between primitive land-dwelling sirenians to aquatic sirenians

??? Ma

Genus:

  • Halitherium

Read more about this topic:  List Of Transitional Fossils

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