Subject ASC0003e0u
The Journal of the Quekett Microscopical Club.
ser. 2, v. 2 (1884-1886), Page 98 (1884-1886)
MBLWHOI Library
BHL Page 2225653
Keywords
marine fossil Orbitolites Foraminifera orbitolites complanata Orbitolites complanata orbitolite structure shelly disk edge pore vertical chamberlet column annular gallery transverse shell shell cells