Taxonomy
Although many of the families are rather small, there are several fossil genera. This listing of the groups of Gonorynchiformes includes fossil fish with a short description. They are listed in approximate order of how primitive their characteristics are.
Order Sorbininardiformes (extinct)
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- Family Sorbininardidae (extinct)
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- Sorbininardus (extinct) - sister group to all other Gonorynchiformes
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- Family Sorbininardidae (extinct)
Order Gonorynchiformes
- Suborder Chanoidei
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- Aethalinopsis (extinct) - sister group to Chanidae from Early Cretaceous.
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- Family Chanidae - milkfishes
- Subfamily Rubiesichthyinae (extinct)
- Gordichthys (extinct) - Early Cretaceous Chanid
- Rubiesichthys (extinct) - Early Cretaceous Chanid
- Subfamily Chaninae
- Chanos
- Dastilbe (extinct) - Early Cretaceous Chanid
- Parachanos (extinct) - Early Cretaceous Chanid
- Tharrhias (extinct) - Early Cretaceous Chanid
- Subfamily Rubiesichthyinae (extinct)
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- Suborder Gonorynchoidei - beaked sandfishes
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- Apulichthys (extinct) - primitive sister group to Gonorynchoids.
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- Family Gonorynchidae
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- Notogoneus (extinct) - from North America, Europe, Australia; some freshwater; Late Cretaceous to Oligocene; sister group to Gonorynchus
- Charitosomus (extinct) - Cretaceous Gonorynchid
- Judeichthys (extinct)
- Ramallichthys (extinct)
- Charitopsis (extinct)
- Gonorynchus
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- Suborder Knerioidei
- Family Kneriidae
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- Cromeria
- Grasseichthys
- Kneria
- Parakneria
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- Family Phractolaemidae
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- Phractolaemus
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- Family Kneriidae
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