†family Ambolostomatidae Horowitz et al. 1986 (blastoid)
Blastoidea - Pentremitida - Ambolostomatidae
Parent taxon: Pentremitida according to J.A. Waters and A.S. Horowitz 1993
Sister taxa: Conuloblastidae, Hyperoblastidae, Orbitremitidae, Pentremitidae
Subtaxa: Ambolostoma
Type: Ambolostoma
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution: found only at 6 miles east of Mendon (Carboniferous of Utah)