Family Gymnarchidae (ray-finned fish)

Actinopteri - Osteoglossiformes - Gymnarchidae

Parent taxon: Osteoglossiformes according to R. Betancur-R et al. 2013

See also Jordan 1963 and Otero et al. 2015

Sister taxa: Arapaimidae, Foreyichthyidae, Lopadichthys, Lycopteridae, Monopteros, Mormyridae, Notopteridae, Opsithrissops, Osteoglossidae, Pantodontidae, Saurocephalidae, Tongxinichthys, Wakinoichthiidae, Wilsonichthys, Xixiaichthys

Subtaxa: Gymnarchus

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Ecology: nektonic carnivore

Distribution:

• Quaternary of the Congo-Kinshasa (1 collection), Ethiopia (1), Kenya (7), Niger (1)

• Pliocene to Pleistocene of the Congo-Kinshasa (1), Kenya (4)

• Pliocene of Ethiopia (1), Kenya (5), Uganda (1)

• Miocene to Pliocene of Kenya (2), Uganda (9)

• Miocene of Chad (1), Kenya (1), Uganda (2)

• Oligocene of Kenya (1)

• Eocene of Libya (3)

Total: 41 collections each including a single occurrence

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