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†order Guildayichthyiformes Lund 2000 (ray-finned fish)

Osteichthyes - Chondrostei

PaleoDB taxon number: 218875

Full reference: R. Lund. 2000. The new Actinopterygian order Guildayichthyiformes from the Lower Carboniferous of Montana (USA). Geodiversitas 22(2):171-206

Parent taxon: Chondrostei according to J. S. Nelson 2006

Sister taxa: Acipenseriformes, Asterodontidae, Cheirolepiformes, Dictyopygidae, Diphyodontidae, Guidayichthyiformes, Luganoiiformes, Neochallaia, Palaeonisciformes, Perleidiformes, Phanerorhynchiformes, Pholidopleuriformes, Polyodonti, Ptycholepiformes, Saurichthyiformes, Sturii

Subtaxa: Guildayichthyidae

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Ecology: