Index of the genera and species of the freshwater triclads (Turbellaria) of the world /

Freshwater triclads (Turbellaria) of North America : VI: the genus Dendrocoelopsis.
by: Kenk, Roman, 1898-
Published: (1973)

Freshwater triclads (Turbellaria) of North America : VI, the genus Dendrocoelopsis /
by: Kenk, Roman, 1898-1988
Published: (1973)

Freshwater triclads (Turbellaria) of North America, V : the genus Polycelis.
by: Kenk, Roman, 1898-
Published: (1973)

Freshwater triclads (Turbellaria) of North America, IX : the genus Sphalloplana /
by: Kenk, Roman
Published: (1977)

Freshwater triclads (Turbellaria) of North America, V : the genus Polycelis.
by: Kenk, Roman, 1898-1988
Published: (1973)

Freshwater triclads (Turbellaria) of North America, IX, the genus Sphalloplana /
by: Kenk, Roman, 1898-
Published: (1977)

British planarians : Platyhelminthes, Tricladida : keys and notes for the identification of the species /
by: Ball, Ian R.
Published: (1981)

Freshwater planarians (Turbellaria) of North America /
by: Kenk, Roman, 1898-
Published: (1980)

The planarians (Turbellaria: Tricladida Paludicola) of Lake Ohrid in Macedonia /
by: Kenk, Roman, 1898-
Published: (1978)

Index to genera and species of Foraminifera.
Published: (1893)

Biology of the Turbellaria /
Published: (1974)

Biology of the Turbellaria /
Published: (1974)

An index to the genera and species of the Diatomaceae and their synonyms /
by: Mills, Frederick William
Published: (1933)

Revised list of the North American freshwater Planarians (Platyhelminthes, Tricladida, Paludicola) /
by: Kenk, Roman, 1898-
Published: (1989)

An index to the genera and species of the Foraminifera, 1890-1950 /
by: Thalmann, Hans Ernst
Published: (1960)

The Biology of the Turbellaria : proceedings of the third international symposium, held in Diepenbeek, Belgium /
Published: (1981)

The Biology of the Turbellaria : Proceedings of the Third International Symposium held in Diepenbeek, Belgium /
by: Schockaert, Ernest R.
Published: (1981)

Biology of Turbellaria: experimental advances /
Published: (1973)

A monograph on polyclad turbellaria /
by: Prudhoe, Stephen
Published: (1985)

Studien über Kalyptorhynchien (Turbellaria).
by: Karling, Tor Gustav, 1909-
Published: (1947)

Species and genera of tertiary noetinae /
by: MacNeil, F. Stearns (Francis Stearns), 1909-
Published: (1938)

The genera and species of orchidaceous plants /
by: Lindley, John, 1799-1865
Published: (1963)

Species and genera of tertiary noetinae /
by: MacNeil, F. Stearns (Francis Stearns), 1909-
Published: (1938)

An illustrated key to the freshwater ostracod genera of the Oriental region /
by: Victor, Reginald
Published: (1981)

Index to genera and authors in Grevillea /
by: Hanlin, Richard T., 1931-
Published: (1978)

Biology of Turbellaria and some related flatworms : proceedings of the Seventh International Symposium on the Biology of the Turbellaria, held at Åbo/Turku, Finland, 17-22 June 1993 /
Published: (1995)

Biology of Turbellaria and some Related Flatworms : Proceedings of the Seventh International Symposium on the Biology of the Turbellaria, held at Åbo/Turku, Finland, 17-22 June 1993 /
by: Cannon, Lester R. G.
Published: (1995)

Paleozoic species of Bairdia and related genera /
by: Sohn, I. G. (Israel Gregory), 1911-2000
Published: (1960)

The Type Species of the Genera and Subgenera of Bees.
Published: (1943)

Type species of genera of ichneumon flies.
Published: (1914)

Genera et species plantarum argentinarum /
by: Descole, Horacio Raúl, 1910-1984
Published: (1943)

Genera et species plantarum fossilium /
by: Unger, F. (Franz), 1800-1870
Published: (1850)

Paleozoic species of Bairdia and related genera : revision of some paleozoic ostracode genera /
by: Sohn, I. G. (Israel Gregory), 1911-2000
Published: (1960)

Catalogue of the fossil and recent genera and species of diatoms and their synonyms. : A revision of F. W. Mills "An index to the genera and species of the diatomaceae and their symonyms." /
by: VanLandingham, Sam L.
Published: (1967)

Genera and species of Hippoboscidae (Diptera) : types, synonymy, habitats and natural groupings.
by: Maa, T. C.
Published: (1963)

Genera et species asterearum. : Recensuit, descriptionibus et animadversionibus illustravit /
by: Nees von Esenbeck, Christian Gottfried Daniel, 1776-1858
Published: (1833)