Barras, C. G. 2007. Phylogeny of the Jurassic to Early Cretaceous â??disasteroidâ?? echinoids (Echinoidea; Echinodermata) and the origins of spatangoids and holasteroids. Journal of Systematic Palaeontology 5:133 - 161.

• (45042) C. G. Barras 2007. Phylogeny of the Jurassic to Early Cretaceous ‘disasteroid’ echinoids (Echinoidea; Echinodermata) and the origins of spatangoids and holasteroids Journal of Systematic Palaeontology 5(2):133-161
• (53093) P. J. Wagner and G. F. Estabrook 2014. Trait-based diversification shifts reflect differential extinction among fossil taxa Proceedings of the National Academy of Sciences 111(46):16419-16424

Minimal containing taxon in this database: Echinoidea