Reworked clasts
Antarcticocyathus webersi originally identified as archaeocyath but now revised to be a lithistid sponge: Lee, J.-H., 2022, Limiting the known range of archaeocyath to the middle Cambrian: Antarcticocyathus webersi Debrenne et al. 1984 is a lithistid sponge: Historical Biology, p. 1-5.