†family Nuchidae Pickett 2002 (sponge)
Heteractinida - Octactinellida - Nuchidae
Parent taxon: Octactinellida according to B. Senowbari-Daryan and J. K. Rigby 2015
See also Rigby et al. 2008
Sister taxa: Astraeospongiidae, Eiffeliidae, Wewokellidae
Type: Nucha
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Triassic of Canada (1: British Columbia collection)
• Ordovician of Canada (1: Yukon)
• Ordian of Australia (2)
• Cambrian of Australia (7)
Total: 11 collections including 13 occurrences