Herzog, S., Amon, D. J., Smith, C. R., & Janussen, D. (2018).

Two new species of Sympagella (Porifera: Hexactinellida: Rossellidae) collected from the Clarion-Clipperton Zone, East Pacific

. Zootaxa, 4466(1), 152–163. https://doi.org/10.11646/zootaxa.4466.1.12