Emersonius, Taxa Only, Exact Match: 2 Treatments

Sessilia		new species	Ross, A. & Newman, William A., 1967, Eocene Balanidae of Florida, including a new genus and species with a unique plan of " Turtle Barnacle " organization, American Museum Novitates 2288, pp. 1-21 : 8	8
Sessilia		new genus	Ross, A. & Newman, William A., 1967, Eocene Balanidae of Florida, including a new genus and species with a unique plan of " Turtle Barnacle " organization, American Museum Novitates 2288, pp. 1-21 : 7	7