ammonites
Parahyolithes (mollusk)

Hyolithomorpha

Parent taxon: Hyolithomorpha according to J. J. Sepkoski 2002

Sister taxa: Calcitheca, Dilites, Eumorpholites, Nervolites, Ovalitheca, Sulcavitida, Toxeumorphorida

Subtaxa: none

Ecology: stationary epifaunal suspension feeder