Tryonia - Academy of Natural Sciences of Philadelphia. Department of Malacology. (Dept. of Malacology, Academy of Natural Sciences of Philadelphia, 1992)

Turbellaria - Graff, Ludwig von, 1851 -1924 (Winter, 1904)

Turbellaria - Graff, Ludwig von, 1851 -1924 (Winter, 1912)

Twenty-five year index to publications of the Western Society of Malacologists : author, taxonomic, geographic and subject indices - Western Society of Malacologists. (Western Society of Malacologists, 1993)

Type specimens of marine mollusca described by P. P. Carpenter from the west coast (San Diego to British Columbia) - Palmer, Katherine V. W. (Katherine Van Winkle), 1895 -1982 (Geological Society of America], 1958)

The underwater guide to marine life - Ciampi, Elgin. (Barnes, 1956)

The University Geological Survey of Kansas - Kansas Geological Survey. (The Survey, 1908)

University of California publications in geological sciences - University of California, Berkeley. Department of Geology. (University of California Press, 1921)

University of California publications in zoology - University of California, Berkeley. (University Press, 1906)

Unsere palaeozoologische Kenntnis von Java, mit einleitenden Bemerkungen über die Geologie der Insel - Martin, Johannes Karl Ludwig, 1851 -1942 (E. J. Brill, 1919)

The unstalked crinoids of the Siboga expedition - Clark, Austin Hobart, 1880 -1954 (E. J. Brill, 1918)

An up-to-date systematic list of 3200 seashells from Greenland to Texas: translation, explanation, and gender of their names - Poirier, Henry Pierre, 1886 - (1954)

Les variations et leur h©♭r©♭dit©♭ chez les mollusques - Pelseneer, Paul, 1863 -1945 (Hayez, 1920)

Les variations et leur hérédité chez les mollusques - Pelseneer, Paul, 1863 -1945 (M. Lamertin, M. Hayez, 1920)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1958)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1960)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1962)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1964)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1965)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1966)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1967)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1968)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1969)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1970)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1971)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1972)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1973)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1974)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1976)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1977)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1978)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1979)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1980)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1981)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1982)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1983)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1984)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1985)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1986)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1987)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1988)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1989)