We use cookies to give you the best online experience. We use them to improve our website and content, and to tailor our digital advertising on third-party platforms. You can change your preferences at any time.Â
Sperosoma grimaldii Koehler, 1897. Apical surface; from
Mortensen, T. 1935. A monograph of the Echinoidea. Volume 2,
Bothriocidaroida, Melonechinoida, Lepidocentroida and
Stirodonta. C.A. Reitzel, Copenhagen (plate 8).
