Arktocara is an extinct genus of river dolphin from the Oligocene epoch of Alaska, containing one species, A. yakataga. Having been discovered in 25-million-year-old...

org/10.1371/journal.pone.0083623 Boersma, A.; Pyenson, N. D. (2016). "Arktocara yakataga, a new fossil odontocete (Mammalia, Cetacea) from the Oligocene...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

Perditicetus Urkudelphis (Late Oligocene to Middle Miocene) Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus (Early Miocene to Recent) Araeodelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

Life reconstruction of Arktocara yakataga, an allodelphinid...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...

†Eurhinodelphinidae? †Squalodontidae? †Waipatiidae? †Allodelphinidae? Allodelphis Arktocara Goedertius Ninjadelphis Zarhinocetus †Squalodelphinidae? Furcacetus Huaridelphis...