ammonites
Zonophyllum Wedekind 1924 (horn coral)

Anthozoa - Cystiphyllida - Cystiphyllidae

Alternative spelling: Cystiphyllum (Zonophyllum)

Parent taxon: Cystiphyllidae according to Pedder 2004

Sister taxa: Asperophyllum, Atopocystis, Bucanophyllum, Ceriocysta, Coleophyllum, Cystiphylloides, Cystiphyllum, Diplochone, Edaphophyllum, Holcocystis, Mackenziephyllum, Microplasma, Pseudodigonophyllum

Subtaxa: Zonophyllum lonense

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Ecology: stationary epifaunal suspension feeder