Neues Jahrbuch für Mineralogie, Geologie und Paläontologie (E. Schweizerbart, 1919)

Neues Jahrbuch für Mineralogie, Geologie und Paläontologie (E. Schweizerbart, 1890)

Neues Jahrbuch für Mineralogie, Geologie und Paläontologie (E. Schweizerbart, 1895)

New Eocene species from Alabama - Aldrich, T. H. (Truman Heminway), 1848 -1932 (Harris co., Cornell University, 1921)

New names introduced by H. A. Pilsbry in the Mollusca and Crustacea - Turner, Ruth Dixon (Academy of Natural Sciences of Philadelphia, 1962)

The new natural history - Lydekker, Richard, 1849 -1915 (Merrill, 1901)

A new scaphopod mollusk, Dentalium (Tesseracme) hancocki, from the eastern Pacific - Allan Hancock Foundation. (American Museum of Natural History, 1956)

A new species of Latiaxis from the western Atlantic (Mollusca, Gastropoda) - Emerson, William K. (American Museum of Natural History, 1963)

New York Shell Club notes - New York Shell Club. (The Club, 1970)

New York Shell Club notes - New York Shell Club. (The Club, 1978)

New York Shell Club notes - New York Shell Club. (The Club, 1987)

New York Shell Club notes - New York Shell Club. (The Club, 1990)

New York Shell Club notes - New York Shell Club. (The Club, 1992)

New York Shell Club notes - New York Shell Club. (The Club, 1994)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1917)

The New Zealand journal of science and technology - New Zealand. Board of Science; Art. (New Zealand Board of Science and Art, 1918)

The New Zealand recent and fossil Mollusca of the family Turridae, with general notes on Turrid nomenclature and systematics - Powell, A. W. B. (Arthur William Baden) 1901 -1987 (Unity Press Ltd, 1942)

NOAA technical report NMFS SSRF - United States. National Marine Fisheries Service. (National Marine Fisheries Service, 1979)

NOAA technical report NMFS SSRF - United States. National Marine Fisheries Service. (National Marine Fisheries Service, 1983)

NOAA technical report NMFS SSRF - United States. National Marine Fisheries Service. (National Marine Fisheries Service, 1984)

Nomina conservanda - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft naturforschender Freunde zu Berlin, 1915)

Den Norske Nordhavs-expedition, 1876-1878 - Sars, G. O. (Georg Ossian), 1837 -1927 (Grøndahl & søns bogtrykkeri, 1901)

Den Norske Nordhavs-expedition, 1876-1878 - Sars, G. O. (Georg Ossian), 1837 -1927 (Grøndahl & søns bogtrykkeri, 1896)

North American index fossils, invertebrates - Grabau, Amadeus W. (Amadeus William), 1870 -1946 (A.G. Seiler, 1909)

North American tentaculitadae - University of Alberta. Department of Geology. (1961)

Northern and Arctic invertebrates in the collection of the Swedish State Museum (Riksmuseum) - Naturhistoriska riksmuseet (Sweden) (Almqvist & Wiksell, 1912)

Notas preliminares; editadas pela redaccão da Revista do Museu paulista - Museu Paulista (1914)

Notes, chiefly botanical, of a visit to the Island of Coll - Scott, Thomas, 1840 -1929 (Natural History Society of Glasgow, 1880)

Notes on methods for the narcotization, killing, fixation, and preservation of marine organisms - Marine Biological Laboratory (Woods Hole, Mass.). Systematics-Ecology Program. (Marine Biological Laboratory, Systematics-Ecology Program, 1963)

Notes on shell morphology and classification of the Siliquariidae (Gastropoda) : the protoconch and slit of Siliquaria squamata Blainville - Gould, Stephen Jay. (American Museum of Natural History, 1966)

Notes on the natural history of East Finmark - Norman, Alfred Merle 1831 -1918 ([s.n.], 1902)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1886)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1894)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2000)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2001)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2002)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2003)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2004)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2005)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2006)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2007)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2008)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2009)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2010)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2011)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2013)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2015)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2016)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2017)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2019)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1913)

Occasional paper - San Diego Society of Natural History. (San Diego Society of Natural History, 1968)

Occasional papers - San Diego Society of Natural History. (San Diego Society of Natural History, 1954)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1915)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1925)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1963)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1966)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1967)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1986)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1987)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1962)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1971)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1972)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1974)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1977)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1992)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1997)

Oceanography 1961–phase 3 - United States. Congress. House. Committee on Merchant Marine; Fisheries. (U.S.G.P.O, 1961)

Oceanology : biology of the ocean. Volume 2, Biological productivity of the ocean - United States. National Oceanic; Atmospheric Administration. (National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Northeast Fisheries Center, 1985)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1983)

The official guide to the Norwich Castle Museum - Southwell, Thomas, 1831 -1909 (Jarrold & Sons, 1895)

Official lists and indexes of names and works in zoology - International Commission on Zoological Nomenclature (ICZN, 1987)

Official lists and indexes of names and works in zoology. Supplement 1986-2000 - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, c/o Natural History Museum, 2001)

Ohio fossils - La Rocque, Aurèle, 1909 -1990 (Ohio Dept. of Natural Resources, Division of Geological Survey, 1955)

On Lepidoptera Heterocera from China, Japan, and Corea - Leech, John Henry, 1862 -1900 (1897)

On the deep and shallow water marine fauna of the Kerguelen Region of the Great Southern Ocean - Murray, John, Sir, 1841 -1914 (Robert Grant & Son, 1896)

On western Atlantic opisthobranchiate gastropods - Marcus, Ernst 1893 -1968 (American Museum of Natural History, 1958)

Ophiures de l'expédition du Siboga ... - Koehler, R. (René) 1860 -1931 (Librairie et imprimerie ci-devant E. J. Brill, 1904)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1956)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1957)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1955)