Project 5007: J. R. Thompson, G. V. Mirantsev, E. Petsios, D. J. Bottjer, A. Smith. 2020. Phylogenetic analysis of the Archaeocidaridae and Palaeozoic Miocidaridae (Echinodermata, Echinoidea) and the origin of crown group echinoids. Papers in Palaeontology. 6 (2):217-249.
This project has 3 specimens.