Aberrant and other specimens of sea butterfly (Clio pyramidata forma lanceolata). Photo by L. A. van
Aberrant and other specimens of sea butterfly (Clio pyramidata forma lanceolata). Photo by L. A. van der Laan. (Beaufortia Vol. 32 no. 6, November 19, 1982). Naturalis Biodiversity Center.source -- source link