O.  Follmann, ?Ueber devonische Aviculaceen?, Verhandlungen des Naturhistorischen Vereines der preussischen Rheinlande, Westfalens und des Reg.-Bezirks Osnabrück, pp. 181-216, 1885.

A.  De Gregorio, ?Continuazione degli studi su talune conchiglie mediterranee viventi e fossili?, Bollettino della Società Malacologica Italiana, vol. 11, pp. 27-203, 1885.

W. Healey Dall, List of marine Mollusca comprising the Quaternary fossils and recent forms from American localities between cape Hatteras and cape Roque, including the Bermudas. Washington: Government Printing Office, 1885, p. 336.

W. Healey Dall, List of marine Mollusca comprising the Quaternary fossils and recent forms from American localities between cape Hatteras and cape Roque, including the Bermudas. Washington: Government Printing Office, 1885, p. 336.

W. H.  Dall, ?Report on the Mollusca. Part 1. Brachiopoda and Pelecypoda?, Bulletin of the Museum of Comparative Zoology, vol. 12, 1885.

A.  De Gregorio, ?Continuazione degli studi su Talune conchiglie mediterranee viventi e fossili?, Bollettino della Società Malacologica Italiana, vol. 11, pp. 27-203, 1885.

O.  Follmann, ?Ueber devonische Aviculaceen?, Verhandlungen des Naturhistorischen Vereines der preussischen Rheinlande, Westfalens und des Reg.-Bezirks Osnabrück, pp. 181-216, 1885.