The fauna of the Keyser member of the Helderberg formation in Maryland /

Strata and megafossils of the Middle Devonian Silica Formation /
by: Kesling, Robert V. (Robert Vernon), 1917-2005

The fossils of the Hunsrück Slate : marine life in the Devonian /
by: Bartels, Christoph, 1949-
Published: (1998)

Visions of a vanished world : the extraordinary fossils of the Hunsrück Slate /
Published: (2012)

The Helderberg group of parts of West Virginia and Virginia /
by: Swartz, Frank M. (Frank McKim), 1899-1982
Published: (1929)

Brachiopoda of the Keyser Limestone (Silurian-Devonian) of Maryland and adjacent areas.
by: Bowen, Zeddie Paul
Published: (1967)

A new Devonian crinoid from western Maryland /
by: Bowsher, Arthur Leroy, 1917-
Published: (1953)

A monograph of the Devonian fauna of the south of England /
by: Whidborne, George Ferris, 1846-1910

Discovery of a Hamilton fauna in southeastern Michigan /
by: Ehlers, George Marion, 1891-
Published: (1927)

Fauna of the Manitoba group in Manitoba.
by: McCammon, Helen
Published: (1960)

On the fossil faunas of the Upper Devonian ; the Genesee section, New York /
by: Williams, Henry Shaler, 1847-1918
Published: (1887)

Ostracods of the family Hollinidae from the Genshaw formation of Michigan /
by: Kesling, Robert V. (Robert Vernon), 1917-2005
Published: (1953)

Illustrations of Devonian fossils, : corals of the Upper Helderberg and Hamilton groups /
by: Hall, James, 1811-1898
Published: (1876)

Ostracods of the family Hollinidae from the Ferron Point formation of Michigan.
by: Kesling, Robert V. (Robert Vernon), 1917-2005
Published: (1952)

Ostracods of the Middle Devonian Silica Formation /
by: Kesling, Robert V. (Robert Vernon), 1917-2005
Published: (1978)

Ostracodes of the Haragan formation (Devonian) in Oklahoma /
by: Lundin, Robert F.
Published: (1968)

A new species of Phlyctiscapha from the Middle Devonian Ferron Point formation of Michigan.
by: Kesling, Robert V. (Robert Vernon), 1917-2005
Published: (1954)

Chitinozoan faunule of the Devonian Cedar Valley formation /
by: Collinson, Charles William
Published: (1958)

Echinoderms of the Middle Devonian Silica formation of Ohio.
by: Kier, Porter M.
Published: (1952)

A new arthrodire from the Cleveland shale formation /
by: Dunkle, David Hosbrook
Published: (1939)

Conodonts from the Genesee formation in western New York /
by: Huddle, John Warfield, 1907-1975
Published: (1981)

Conodonts from the Devonian Lingle and Alto formations of Southern Illinois.
by: Orr, Robert William
Published: (1964)

Rugose corals of the Silica Formation (Middle Devonian) of northwestern Ohio and southeastern Michigan.
by: Stumm, Erwin Charles, 1908-1969
Published: (1968)

Silurian-Lower Devonian conodont sequence in the Roberts Mountains Formation of central Nevada /
by: Klapper, Gilbert
Published: (1974)

Devonic fishes of the New York formations /
by: Eastman, Charles Rochester, 1868-1918
Published: (1907)

La faune de la grauwacke de Rouillon (base du devonien moyen) /
by: Asselberghs, Etienne
Published: (1923)

Fossils of the Littleton Formation (Lower Devonian) of New Hampshire /
by: Boucot, A. J. (Arthur James), 1924-
Published: (1960)

Ostracods from the Norway Point formation of Michigan /
by: Kesling, Robert V. (Robert Vernon), 1917-2005
Published: (1953)

Late Silurian and early Devonian graptolite, brachiopod, and coral faunas from northwestern and Arctic Canada /
by: Jackson, D. E. (Dennis Edward), 1932-
Published: (1978)

Upper Devonian corals of the Mackenzie River region, Canada.
by: Smith, Stanley, 1883-
Published: (1945)

On the fossil faunas of the Upper Devonian, along the meridian of 76 ̊30ʹ, from Tompkins county, N.Y., to Bradford county, Pa /
by: Williams, Henry Shaler, 1847-1918
Published: (1884)

The fossils and stratigraphy of the Middle Devonic of Wisconsin /
by: Cleland, Herdman Fitzgerald, 1869-1935
Published: (1911)

Devonian stratigraphy and paleontology of the Roberts mountains region, Nevada /
by: Merriam, Charles Warren, 1905-
Published: (1940)

Check list of fossil invertebrates described from the Middle Devonian silica formation of northwestern Ohio and southeastern Michigan /
by: Stumm, Erwin Charles, 1908-1969
Published: (1967)

A new kirkbyid ostracod from the Wanakah member of the Middle Devonian Ludlowville formation in western New York /
by: Kesling, Robert V. (Robert Vernon), 1917-2005
Published: (1954)

Evolution of the Silurian and Devonian graptoloids /
by: Rickards, Barrie
Published: (1977)

The dorsal spine of Cladoselache. : The neurocranium and jaws of Cladselache /
by: Harris, John Edward
Published: (1938)