ammonites
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Gateway to the Paleobiology Database
Helenia Walcott 1889

Hyolitha - Hyolithida - Hyolithidae

PaleoDB taxon number: 7745

Parent taxon: Hyolithidae according to D. W. Fisher 1962

Sister taxa: Hallotheca, Haplophrentis, Korilithes, Nevadotheca, Novakotheca, Sololites, Yalarrnga

Subtaxa: none

Ecology: facultatively mobile epifaunal suspension feeder