Literature
Authors(s) Gabb, W. M.
Year 1881c
Title Descriptions of new species of fossils from the Pliocene clay beds between Limon and Moen, Costa Rica, together with notes on previously known species from there and elsewhere in the Caribbean area. J. Acad. Nat. Sci. Philad. (2)8(4): 349-380, pls 45-47.