†order Spirophorida Bergquist and Hogg 1969 (demosponge)

Demospongea - Spirophorida

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

Sister taxa: Alpinothalamiidae, Axinellida, Belemnospongia, Criccospongiidae, Hadromerida, Streptosclerophorida

Subtaxa: Samidae

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Miocene of Portugal (1 collection), Slovakia (1)

Total: 2 collections including 3 occurrences

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