The hole at the top of the carapace indicates that the crab served as a furniture attachment or as a base, possibly for a lamp. The naturalistic articulation presupposes firsthand observation of a live specimen.
Mertens, Joan R., Dr. 1993. "Recent Acquisitions, A Selection: 1992-1993." The Metropolitan Museum of Art Bulletin, 51(2): p. 14.
Metropolitan Museum of Art. 1993. "One Hundred Twenty-third Annual Report of the Trustees for the Fiscal Year July 1, 1992 through June 30, 1993." Annual Report of the Trustees of the Metropolitan Museum of Art, 123: p. 29.