Deline B. et al. (2020) Evolution and development at the origin of a phylum. Current Biology, 30, 1672–9.

Dickson J. A. D. (2002) Fossil echinoderms as monitor of the Mg/Ca ratio of Phanerozoic oceans. Science, 298, 1222–4.

Dominguez P., Jacobson A. G., Jefferies R. P. S. (2002) Paired gill slits in a fossil with a calcite skeleton. Nature, 417, 841–4.

Domke K. L., Dornbos S. Q. (2010) Paleoecology of the middle Cambrian edrioasteroid echinoderm Totiglobus: Implications for unusual Cambrian morphologies. Palaios, 25, 209–14.

Durham J. W. (1993) Observations on the Early Cambrian helicoplacoid echinoderms. Journal of Paleontology, 67, 590–604.

Durman P. N., Sennikov N. V. (1993) A new rhabdopleurid hemichordate from the Middle Cambrian of Siberia. Palaeontology, 36, 283–296.

Glass A., Blake D. B. (2004) Preservation of tube feet in an ophiuroid (Echinodermata) from the Lower Devonian Hunsrück Slate of Germany and a redescription of Bundenbachia beneckei and Palaeophiomyxa grandis. Paläontologische Zeitschrift, 78, 73–95.

Guensburg T. E., Blake D. B., Sprinkle J., Mooi R. (2016) Crinoid ancestry without blastozoans. Acta Palaeontologica Polonica, 61, 253–66.