Diagoniella is a genus of sponge known from the Middle Cambrian Burgess Shale. 128 specimens of Diagoniella are known from the Greater Phyllopod bed, where they comprise 0.24% of the community.
Several specimens previously assigned to Diagoniella by Rigby (1983)Rigby, J. K. (1983). Sponges of the middle Cambrian Marjum limestone from the House Range and Drum Mountains of western Millard County, Utah. J. Paleontol. 57 , 240–270. may have instead belonged to Polygoniella as per Del Mouro et al. (2024).
References