original description
Bromley, R. G. 1975. Comparative analysis of fossil and recent echinoid bioerosion. Palaeontology 18, 725-739. [details]
basis of record
Kroh, A. 2010. Index of Living and Fossil Echinoids 1971-2008. Annalen des Naturhistorischen Museums in Wien, Serie A 112, 195-470., available online at http://verlag.nhm-wien.ac.at/pdfs/112A_195470_Kroh.pdf
page(s): 397 [details]
From editor or global species database
Description Echinoid grazing traces. [details]