Sphenopus pedunculatus Hertwig 1888

Hertwig 1888. Report on the Actiniaria dredged by H. M. S. Challenger during the years 1873-1876. Supplement. Reports on the Scientific Results of the Voyage of H. M. S. Challenger during the years 1873-76, vol. xxvi, pt. lxxiii. 1888: 56 pp.