†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

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Type: Ambolostoma

Ecology: stationary intermediate-level epifaunal suspension feeder

Distribution: found only at 6 miles east of Mendon (Carboniferous of Utah)

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