Ferns from the Chinle Formation (Upper Triassic) in the Fort Wingate area, New Mexico /

Pennsylvanian tree fern compressions Caulopteris, Megaphyton, and Artisophyton gen. nov. in Illinois /
by: Pfefferkorn, Hermann W.
Published: (1976)

The Yorkshire Jurassic fern Phlebopteris braunii (Goeppert) and its reference to Matonia R. Br. /
by: Harris, Thomas Maxwell, 1903-1983
Published: (1980)

Études sur la fronde des Zygoptéridées /
by: Bertrand, Paul, 1879-1944
Published: (1909)

Triassic life on land : the great transition /
by: Sues, Hans-Dieter, 1956-
Published: (2010)

A Tertiary Azolla from British Columbia /
by: Arnold, Chester A. (Chester Arthur), 1901-1977
Published: (1955)

A monograph of the British Eocene flora /
by: Gardner, John Starkie, 1844-1930
Published: (1879)

Tropical Arctic : Lost Plants, Future Climates, and the Discovery of Ancient Greenland.
by: McElwain, Jennifer
Published: (2021)

Plantas del Triasico Superior del Estado de Hidalgo.
by: Silva Pineda, Alicia
Published: (1963)

Palmlike plants from the Dolores formation (Triassic), southwestern Colorado /
by: Brown, Roland W. (Roland Wilbur), 1893-1961
Published: (1956)

American Cretaceous ferns of the genus Tempskya /
by: Read, C. B., et al.
Published: (1937)

Paleontologia del Triasico Superior de Sonora /
Published: (1961)

Upper Cretaceous floras of the Rocky mountain region /
by: Dorf, Erling, 1905-1984
Published: (1942)

Dinoflagellate cysts and acritarchs from the basal Kimmeridgian (Upper Jurassic) of England, Scotland and France.
by: Gitmez, Gulden Usman
Published: (1970)

Upper Paleozoic floral zones and floral provinces of the United States /
by: Read, Charles Brian, 1907-
Published: (1964)

The fern genus Acrostichum in the Eocene Clarno formation of Oregon /
by: Arnold, Chester A. (Chester Arthur), 1901-1977
Published: (1963)

Pollen and spores from the Permian deposits of the Cherdyn and Aktyubinsk areas, Cis-Urals /
by: Samoĭlovich, S. R.
Published: (1961)

Internal structures of Cyclocrinites dactioloides : a receptaculitid alga from the Lower Silurian of Iowa /
by: Nitecki, Matthew H.
Published: (1978)

History of the coniferous forests, California and Nevada /
by: Axelrod, Daniel I.
Published: (1976)

Technique for determining coccolith abundance in shaly chalk of Greenhorn limestone (Upper Cretaceous) of Kansas /
by: Hattin, Donald E.
Published: (1971)

Permian plant microfossils Flowerpot Formation, Greer County, Oklahoma.
by: Wilson, L. R. (Leonard Richard), 1906-1998
Published: (1962)

Fossil floras of Yellowstone national park and southeastern Oregon.
Published: (1933)

Paleocene flora of the Rocky Mountains and Great Plains.
by: Brown, Roland W. (Roland Wilbur), 1893-1961
Published: (1962)

Stratigraphic distribution of some pollen types from the Campanian and lower Maestrichtian rocks (Upper Cretaceous) of the Middle Atlantic States /
by: Wolfe, Jack A., 1936-
Published: (1976)

Lower Cretaceous algae from the Blake Escarpment : Atlantic Ocean, and from Israel /
by: Johnson, J. Harlan (Jesse Harlan), 1892-1974
Published: (1968)

Studies of Silurian (Gotlandian) algae /
by: Johnson, J. Harlan (Jesse Harlan), 1892-1974
Published: (1959)

Plant spores and other microfossils from Upper Devonian and Lower Mississippian rocks of Ohio.
by: Winslow, Marcia R.
Published: (1962)

Miocene marine diatoms from the Kirkwood Formation, Atlantic County, New Jersey /
by: Andrews, George William, 1929-
Published: (1987)

Studies of Ordovician algae /
by: Johnson, J. Harlan (Jesse Harlan), 1892-1974
Published: (1961)

Studies of Devonian algae /
by: Johnson, J. Harlan (Jesse Harlan), 1892-1974
Published: (1958)

Late full-glacial and postglacial pollen analysis of Texas sediments /
by: Bryant, Vaughn M.
Published: (1969)

New Pleistocene conifer records, coastal California /
by: Axelrod, Daniel I.
Published: (1983)

Lower Cretaceous algae from Texas /
by: Johnson, J. Harlan (Jesse Harlan), 1892-1974
Published: (1968)

The bryophytes of the Palaeozoic and the Mesozoic /
by: Oostendorp, Cora
Published: (1987)

Some lower Huronian stromatolites of northern Michigan.
by: Richardson, Eugene Stanley, 1916-
Published: (1949)

Some Cretaceous and Palaeogene Trinacria (diatom) species /
by: Sims, Patricia A.
Published: (1988)

Permian sphenopsids from Antarctica /
by: Rigby, J. F.
Published: (1969)