1. Hikino, H., and Hikino, Y., in: Fortschritte der Chemie organischer Naturstoffe, vol. 28, p. 256. Eds W. Herz, H. Grisebach and A. I. Scott. Springer, Wien 1970
2. Goad, L. J., in: Marine natural products, chemical and biological perspectives, vol. 2, p. 75. Ed. P. J. Scheuer. Academic Press, New York 1978
3. Horn, D. H. S., Wilkie, J. S., and Thomson, J. A., Experientia30 (1974) 1109.
4. The zoanthid was kept feeding on lyophilized plancton, frozen copepods, boiled clams, and yeast (together with several other invertebrates and algae, at 18°C in winter and at 20°C in summer, in artificially prepared, aerated marine water).
5. Karlson, P., Hoffmeister, H., Hummel, H., Hocks, P., and Spiteller, G., Chem. Ber.98 (1965) 2394