Ordovician scolecodonts

by Gries, John Paul, 1911-
Published 1935

Polychaete annelids from the Devonian of Paran�a, Brazil /

by Lange, Frederico Waldemar
Published 1949

Marine annelids from the Northern Marshall Islands /

by Hartman, Olga, 1900-1974
Published 1954

Marine annelids from the Northern Marshall Islands

by Hartman, Olga, 1900-1974
Published 1954

Zoological relationships of the conodonts ..

by Scott, Harold W (Harold William), 1906-1998, Scott, Harold W (Harold William), 1906-1998
Published 1934

From individuals to deep metazoan branches : relationships and delineation of recent and fossil Chrysopetalidae (Annelida) /

by Dahlgren, Thomas
Published 2000

Polychaete jaw apparatuses from the ordovician and silurian of Poland and a comparison with modern forms = Aparaty szczękowe wieloszczetów z ordowiku i syluru Polski i porównani...

by Kielan-Jaworowska, Zofia, Kielan-Jaworowska, Zofia, Kielan-Jaworowska, Zofia
Published 1966

Annelid jaws from the Hamilton Group of Ontario County, New York /

by Eller, E. R
Published 1934

On annelid remains from the Silurian strata of the isle of Gotland

by Hinde, George Jennings, 1839-1918

Die Anneliden, Bivalven und Gastropoden der antarktischen Kreideformation,

by Wilckens, Otto, 1876-1943, Wilckens, Otto, 1876-1943
Published 1910

Polychaete annelids from the Devonian of Paraná, Brazil /

by Lange, Frederico Waldemar
Published 1949

Ordovician scolecodonts /

by Gries, John Paul, 1911-, Gries, John Paul, 1911-, Gries, John Paul, 1911-2003, Gries, John Paul, 1911-2003
Published 1944

Middle Cambrian annelids /

by Walcott, Charles D (Charles Doolittle), 1850-1927
Published 1911