Literature
- Schmidt, O. 1862. Die Spongien des Adriatischen Meeres. Engelmann, Leipzig: 1-88, 7 pls.
- Schmidt, O. 1870. Grundzüge einer Spongien-Fauna des Atlantischen Gebietes. Engelmann, Leipzig: iv+88 pp., VI pls.
- Sollas, W.J. 1888. Report on the Tetractinellidae collected by H.M.S. "Challenger" during the years 1873-1876. Rept. sci. Res. Voy. Challenger, Zool., 25 (63): i-clxvi, 1-458, 44 pls.