†Nabaviella umbelliformis Dong and Knoll 1996 (sponge)
Full reference: X. Dong and A. H. Knoll. 1996. Middle and Late Cambrian sponge spicules from Hunan, China. Journal of Paleontology 70(2):173-184
Belongs to Nabaviella according to X. Dong and A. H. Knoll 1996
Sister taxa: Nabaviella elegans, Nabaviella triradiata
Type specimen: Its type locality is Paibi section, P90, which is in a Furongian slope limestone in the Huaqiao Formation of China
Ecology: stationary epifaunal suspension feeder