Young, P. S. “Globuloverruca Spongophila gen. nov., Sp. Nov. A Sponge-Associated Verrucid (Crustacea: Cirripedia: Thoracica) from Easter Island, With Discussion on the Morphology of the Plate Tubules”. Zootaxa, vol. 420, no. 1, Feb. 2004, pp. 1–10, doi:10.11646/zootaxa.420.1.1.