1. Abel, E., 1959. Zur Kenntnis der marinen Höhlenfauna unter besonderer Berücksichtigung der Anthozoa. — Pubbl. Staz. zool. Napoli30, 1–94.
2. Amerongen, M. N. & Peteya, D. J., 1976. The ultrastructure of the muscle system ofStomphia coccinea. In: Coelenterate ecology and behavior. Ed. by G. O. Mackie. Plenum Press, New York, 541–547.
3. Bairati, A., Petrucciolo, M. G. & Torri Tarelli, L., 1972. Submicroscopic structure of collagen fibrils. III. Periodic structure after fixation. — J. submicrosc. Cytol.4, 171–198.
4. Batham, E. J., 1960. The fine structure of epithelium and mesogloea in a sea anemone. — Q. Jl microsc. Sci.101, 481–485.
5. Blanquet, R. & Lenhoff, H. M., 1966. A disulfide-linked collagenous protein of nematocyst capsules. — Science, N. Y.154, 152–153.