posted on 2011-11-23, 00:00authored byPatricia G. Weaver, Larisa A. Doguzhaeva, Daniel R. Lawver, R. Christopher Tacker, Charles N. Ciampaglio, Jon M. Crate, Wenxia Zheng
Fragmentary preserved cuttlebone of M. mississippiensis (MGS 1951), late Eocene, Mississippi, USA: A, B – left lateral and ventral view, respectively.