On the Cambrian faunas of North America : preliminary studies /

The Cambrian-Ordovician boundary : sections, fossil distributions, and correlations /
Published: (1982)

The ecology of the Cambrian radiation /
Published: (2001)

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

Lower, Middle, and Upper Cambrian faunas in the Taconic sequence of eastern New York : stratigraphic and biostratigraphic significance /
by: Bird, John M.
Published: (1968)

The Precambrian-Cambrian boundary /
Published: (1989)

North American Pleospongia /
by: Okulitch, Vladimir Joseph, 1906-
Published: (1943)

Cambrian system (restricted) of the southern Appalachians /
by: Resser, Charles Elmer, 1889-1943
Published: (1938)

Cambrian Merostomata /
by: Raasch, Gilbert O. (Gilbert Oscar)
Published: (1939)

Cambrian cephalopods /
by: Flower, Rousseau Hayner, 1913-
Published: (1954)

Faunas and stratigraphy of the Snowy Range formation (Upper Cambrian) in southwestern Montana and northwestern Wyoming /
by: Grant, Richard E., 1927-1994
Published: (1965)

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

Paleontology of late Proterozoic and early Cambrian rocks of east-central Alaska /
by: Allison, Carol Wagner
Published: (1988)

Conodont evolution and biostratigraphy of the Upper Cambrian and lowest Ordovician /
by: Miller, James Frederick, 1943-
Published: (1971)

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

The Tommotian stage and the Cambrian lower boundary problem = Tommotskii yarus i problema nizhnei granitsy kembriya /
Published: (1981)

Morphology, ontogeny, and life habit of Agnostus pisiformis from the Upper Cambrian of Sweden /
by: Müller, Klaus J.
Published: (1987)

A monograph of the British Cambrian Trilobites / by Philip Lake.
by: Lake, Philip
Published: (1906)

Interpretation of biological and environmental changes across the Neoproterozoic-Cambrian boundary /
Published: (2005)

Cambrian history of the Grand canyon region. : Part I. Stratigraphy and ecology of the Grand canyon Cambrian /
by: McKee, Edwin D. (Edwin Dinwiddie), 1906-1984
Published: (1945)

Notes on the Cambrian rocks of the eastern Mohave Desert, California /
by: Hazzard, John Charles, 1903-
Published: (1933)

Fauna of the basal Welge sandstone, Llano Uplift, Texas /
by: Wollman, Constance Elizabeth, 1920-
Published: (1952)

Ontogeny, intraspecific variation, and systematics of the Late Cambrian trilobite Dikelocephalus /
by: Hughes, Nigel C.
Published: (1994)

Middle Cambrian trilobites from the Sosink Formation, Derik-Mardin district, south-eastern Turkey /
by: Dean, William Thornton
Published: (1982)

Salterella from the Lower Cambrian of central Nevada /
by: Yochelson, Ellis L. (Ellis Leon), 1928-2006, et al.
Published: (1970)

Cambrian Brachiopoda: Obolella, subgenus Glyptias; Bicia; Obolus, subgenus Westonia; with descriptions of new species,
by: Walcott, Charles D. (Charles Doolittle), 1850-1927

Trilobites of the late Cambrian Pterocephaliid biomere in the Great Basin, United States.
by: Palmer, Allison R.
Published: (1965)

The emergence of animals : the Cambrian breakthrough /
by: McMenamin, Mark A.
Published: (1990)

Upper Cambrian fossils from Bucks County, Pennsylvania.
by: Howell, Benjamin Franklin, 1890-
Published: (1957)

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

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

Cambrian ocean world : ancient sea life of North America /
by: Foster, John Russell
Published: (2014)

An appraisal of the Great Basin Middle Cambrian trilobites described before 1900 /
by: Palmer, Allison R.
Published: (1954)

The Early Cambrian fossil Salterella conulata Clark in eastern North America /
by: Yochelson, Ellis L. (Ellis Leon), 1928-2006
Published: (1970)

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

Skaracarida, a new order of Crustacea from the Upper Cambrian of Vastergotland, Sweden /
by: Müller, Klaus J.
Published: (1985)

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