Smith, A. B. & Savill, J. J. 2001. Bromidechinus, a new Ordovician echinozoan (Echinodermata), and its bearing on the early history of echinoids. Transactions of the Royal Society of Edinburgh: Earth Sciences 92, 137-147.
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Smith, A. B.; Savill, J. J.
2001
Bromidechinus, a new Ordovician echinozoan (Echinodermata), and its bearing on the early history of echinoids
Transactions of the Royal Society of Edinburgh: Earth Sciences