†family Hazeliidae De Laubenfels 1955 (demosponge)

Demospongea - Protomonaxonida - Hazeliidae

Parent taxon: Protomonaxonida according to D. C. Garcia-Bellido et al. 2011

Sister taxa: Choiidae, Halichondritidae, Hamptoniidae, Leptomitidae, Lobatospongia, Piraniidae, Sollasellidae, Takakkawiidae, Tethyidae, Ulospongiellidae, Wapkiidae

Subtaxa: Crumillospongia Falospongia Hazelia Xylochos

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Ecology: stationary intermediate-level epifaunal suspension feeder

Distribution:

• Ordovician of the United Kingdom (4 collections)

• Marjumian of United States (1: Utah)

• Cambrian of Canada (38: Brithish Columbia, British Columbia), China (14), Iran (1), Spain (2), United States (2: Pennsylvania, Utah)

Total: 62 collections including 92 occurrences

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