Courville, E., Poulin, E., Saucede, T., Mooi, R., Lessios, H., Salinas, A.M. & Diaz, A. (2023) Taxonomic reassessment of Tetrapygus niger (Arbacioida, Echinoidea): molecular and morphological evidence support its placement in Arbacia. Zootaxa, 5375 (2), 249–261.
https://doi.org/10.11646/zootaxa.5375.2.6