ammonites
Holophagus Egerton 1861 (lobe-finned fish)

Coelacanthimorpha - Coelacanthidae

Synonym: Undina Munster 1834

Full reference: P. M. G. Egerton. 1861. Holophagus gulo description, in Preliminary essay upon the systematic arrangment of the fishes of the Devonian Epoch. Memoirs of the Geological Survey of Great Britain, Decade X 23:19

Parent taxon: Coelacanthidae according to B. G. Gardiner 1960

Sister taxa: Axelrodichthys, Chaohuichthys, Chinlea, Coccoderma, Coelacanthus, Diplurus, Garnbergia, Heptanema, Indocoelacanthus, Libys, Macropoma, Mawsonia, Megalocoelacanthus, Moenkopia, Quayia, Rhipis, Ticinepomis

Subtaxa: Holophagus gulo, Undina barroviensis, Undina penicillata, Undina purbeckensis

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Ecology: