ammonites
†subfamily Thysanophyllinae Hill 1981 (horn coral)

Anthozoa - Stauriida - Lithostrotionidae

Full reference: D. Hill. 1981. Rugosa and Tabulata. Treatise on Invertebrate Paleontology 1(F)

Parent taxon: Lithostrotionidae according to D. Hill 1981

Sister taxa: Acrocyathinae, Aulininae, Cionodendrom, Diphyphyllinae, Heterostrotion, Lithostrotioninae, Siphonodendron

Subtaxa: Corphalia, Dorlodotia, Pseudodorlodotia, Sciophyllum, Stylastraea, Thysanophyllum

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Ecology: stationary epifaunal suspension feeder