†order Lychniscosida Schrammen 1903 (glass sponge)
Hexactinellida - Lychniscosida
Parent taxon: Hexasterophora according to V. Frisone et al. 2016
See also Reiswig 2002
Sister taxon: Hexactinosa
Subtaxa: Aulocystidae Diapleuridae
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Eocene of Italy (1 collection)
• Cretaceous of the Czech Republic (1), the United Kingdom (1)
Total: 3 collections each including a single occurrence