The Ordovician trilobites of Spitsbergen /

The Ordovician trilobite faunas of the Builth-Llandrindod inlier, central Wales /
by: Hughes, C. P.

The trilobites Bathyurus and Eomonorachus from the Middle Ordovician of Oklahoma and their biofacies significance /
by: Ludvigsen, Rolf
Published: (1978)

Lower Ordovician trilobites from western Utah and eastern Nevada.
by: Hintze, Lehi F.
Published: (1952)

Distribution of the Middle Ordovician Copenhagen formation and its trilobites in Nevada /
by: Ross, Reuben James, 1918-, et al.
Published: (1972)

Early Middle Ordovician Chazy trilobites of New York /
by: Shaw, Frederick C., 1937-
Published: (1968)

The Ordovician trilobite Pseudogygites Kobayashi in eastern and arctic North America /
by: Ludvigsen, Rolf
Published: (1979)

Lower Ordovician trilobites of the Kirtonryggen Formation, Spitsbergen /
by: Fortey, Richard A.
Published: (2013)

The type species of the Ordovician trilobite genus Isotelus I. gigas Dekay, 1824 /
by: Rudkin, David M., 1951-
Published: (1989)

Late Cambrian and earliest Ordovician trilobites, Wichita Mountains area, Oklahoma /
by: Stitt, James H.
Published: (1977)

Upper Cambrian and Lower Ordovician trilobite biostratigraphy of the Rabbitkettle Formation, western District of Mackenzie /
by: Ludvigsen, Rolf
Published: (1982)

Ordovician brachiopods, trilobites, and stratigraphy in eastern and central Nevada.
by: Ross, Reuben James, 1918-
Published: (1970)

Sunwaptan and Ibexian (Upper Cambrian-Lower Ordovician) trilobites of the Rabbitkettle Formation, Mountain River region, northern Mackenzie Mountains, northwest Canada /
by: Westrop, S. R.
Published: (1995)

Trilobites from the lower Champlainian formations of the Appalachian Valley.
by: Cooper, Byron Nelson, 1912-1971
Published: (1953)

Late Cambrian and earliest Ordovician trilobites, timbered hills and lower Arbuckle groups, western Arbuckle Mountains, Murray County, Oklahoma /
by: Stitt, James H.
Published: (1971)

The trilobite fauna of the Raheen Formation (upper Caradoc), Co. Waterford, Ireland /
by: Owen, A. W.
Published: (1986)

New trilobites from the Maquoketa beds of Fayette county, Iowa /
by: Slocom, Arthur Ware, 1860-
Published: (1913)

Systematics, environment, and biogeography of some late Cambrian and early Ordovician trilobites from eastern New York State /
by: Taylor, Michael E.
Published: (1974)

Spitsbergen explorer : map of Svalbard Archipelago including Bear Island : featuring illustrated biographies of 27 noted explorers, colour photos, and introductory text on Svalbard's plants & wildlife /
Published: (2001)

Ordovician cephalopod fauna of Baffin Island /
by: Miller, A. K. (Arthur K.), 1902-1963
Published: (1954)

Some Middle Ordovician brachiopods and trilobites from the basin ranges, Western United States. : With stratigraphic sections A, north of Pyramid Peak, Calif. /
by: Ross, Reuben James, 1918-
Published: (1967)

On the Cambro-Ordovician faunas of western Quruq tagh, eastern T'ien-shan /
by: Troedsson, Gustaf Timoteus, 1891-
Published: (1937)

Mesozoic palynology of Svalbard /
by: Bjørke, Tor
Published: (1977)

Distribution of the Middle Ordovician Copenhagen formation and its trilobites in Nevada /
by: Ross, Reuben James, 1918-, et al.
Published: (1972)

Trilobites /
by: Whittington, H. B. (Harry Blackmore)
Published: (1992)

The Arenig Series in South Wales : stratigraphy and palaeontology.
Published: (1987)

Fossils from the Ordovician bioherm at Meiklejohn Peak, Nevada.
by: Ross, Reuben James, 1918-
Published: (1972)

Bivalves from the latest Jurassic-earliest Cretaceous hydrocarbon seep carbonates from central Spitsbergen, Svalbard /
by: Hryniewicz, Krzysztof, et al.
Published: (2014)

Trilobites of the Henryhouse formation (Silurian) in Oklahoma /
by: Campbell, K. S. W. (Kenton Stewart Wall)
Published: (1967)

Trilobites of the Devonian Traverse group of Michigan.
by: Stumm, Erwin Charles, 1908-1969
Published: (1953)

Upper Cambrian trilobites from Michigan.
by: Stumm, Erwin Charles, 1908-1969
Published: (1956)

Trilobites of the Upper Cambrian Ptychaspic biomere : Wilberns formation, Central Texas /
by: Longacre, Susan Ann
Published: (1970)

Some Middle Ordovician brachiopods and trilobites from the basin ranges, Western United States /
by: Ross, Reuben James, 1918-, et al.
Published: (1967)

Cambrian trilobites of east-central Alaska /
by: Palmer, Allison R.
Published: (1968)

A new Devonian trilobite from southern Illinois /
by: Roy, Sharat Kumar
Published: (1933)

Silicified silurian odontopleurid trilobites from the Mackenzie Mountains /
by: Chatterton, B. D. E. (Brian D. E.)
Published: (1983)

Ordovician brachiopods, trilobites, and stratigraphy in eastern and central Nevada /
by: Ross, Reuben James, 1918-
Published: (1970)