Results 101 to 110 of about 10,320 (217)

Are regional stages necessary? [PDF]

open access: yes, 2005
The bipartition of the Carboniferous System adopted by the International Commission of Stratigraphy for the world stratigraphic chart is impractical in Gondwana.
Gonzalez, Carlos Roberto
core  

Distribution of the order Proetida (Trilobita) in Baltoscandian Ordovician strata [PDF]

open access: yes, 2009
The trilobite order Proetida forms a minor but important faunal element within the Ordovician strata of Baltoscandia. This review follows the current systematic, taxonomic, and stratigraphical usage and discusses the distribution of these trilobites ...
Owens, Robert M.   +2 more
core  

New data for Athabaskia anax (Walcott, 1916) (Middle Cambrian, Trilobita, Corynexochida) from the Mendoza Precordillera, Argentina [PDF]

open access: yes, 2014
Se realiza una revisión taxonómica del trilobites corynexochido Clavaspidella digesta de la Precordillera de Mendoza, que es reclasificado como Athabaskia anax especie del Great Basin de Estados Unidos.
Bordonaro, Osvaldo Luis
core  

Late Devonian (Frasnian) Asteropygine trilobites from the Frasnes area, southern border of Dinant synclinorium, Belgium [PDF]

open access: yes, 2011
The Frasnian representatives of Asteropyginae in the Frasnes area (south Belgium) have long been relatively well-documented when compared to other trilobites in the Devonian of the Ardennes (Belgium, northern France).
Bignon, A., Van Viersen, A.P.
core  

Trilobites del Ordovícico Medio del sector meridional de la zona Centroibérica española. Parte IV: Phacopina, Scutelluina, Odontopleurida y Lichida. [PDF]

open access: yes, 1989
Se estudian los trilobites Phacopina, Scutellulna, Odontopleurida y Lichida representados en las Capas con Tristani (Llanvirn-Dobrotiviense) de la zona Centroibérica del Macizo Hespérico.
Rábano, Isabel
core   +1 more source

A new high-resolution δ13Ccarb isotope curve through the lower Wenlock Series of Buttington Quarry, Wales [PDF]

open access: yes, 2014
Butcher, Anthony   +3 more
core   +2 more sources

Trilobites from Vargas Peña (Llandovery) of Itaugúa, eastern Paraguay : advances in trolobites research [PDF]

open access: yes, 2008
Fil: Tortello, Franco. División Paleontología Invertebrados, Museo de La Plata, Paseo del Bosque s/n, 1900 La Plata, ArgentinaFil: Clarkson, E.N.K..
Alfaro, Marta   +4 more
core  

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