Order Halichondrida Gray 1867 (demosponge)

Demospongea - Halichondrida

Parent taxon: Ceractinomorpha according to R. K. Bambach et al. 2007

Sister taxa: Agelasida, Burgundiidae, Halisarcida, Medfraspongia, Sigmatosclerophorida, Vaceletida

Subtaxa: Bubaridae Cassianostroma Halichondria Ischnspongia Ptilispongia

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Miocene of Slovakia (1 collection)

• Cretaceous of Germany (1)

• Triassic of Italy (2), Oman (1)

• Cambrian of China (1)

Total: 6 collections including 7 occurrences

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