Literature
- Carter, H.J. 1875. Notes introductory to the study and classification of the Spongida. Part II. Proposed classification of the Spongida. Ann. Mag. nat. Hist., (4), 16: 1-40.
- Maldonado, M. 1993b. The taxonomic significance of the short-shafted mesotriaene reviewed by parsimony analysis: validation of Pachastrella ovisternata Von Lendenfeld (Demospongiae: Astrophorida). Bijdr. Dierk., 63 (3): 129-148.