Echinoidea - Camarodonta - Toxopneustidae

Parent taxon: Toxopneustidae according to A. B. Smith 2009

Sister taxa: Goniopneustes, Gymnechinus, Lytechinus, Nudechinus, Oligophyma, Pseudoboletia, Pseudocentrotus, Schizechinus, Scholiechinus, Sphaerechinus, Toxopneustes

Subtaxa: Tripneustes pregratilla

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Ecology: epifaunal grazer-deposit feeder