Results 71 to 80 of about 2,265 (195)

Les Phylloceratoidea (Ammonoidea) aptiens et albiens du bassin vocontien (Sud-Est de la France) [Aptian and Albian Phylloceratids (Ammonoidea) from the Vocontian Basin (SE France)]

open access: yesCarnets de Géologie, 2008
More than 2,200 pyritized ammonites of the Superfamily Phylloceratatoidea have been collected in consonance with the scale of the ammonite zonation of the expanded Marnes Bleues Fm in the Vocontian Basin (SE France).
Joly Bernard, Delamette Michel
doaj  

Integrated stratigraphy of the Upper Hauterivian to Lower Barremian Agua de la Mula Member of the Agrio Formation, Neuquén Basin, Argentina [PDF]

open access: yes, 2011
The Upper Hauterivian to Lower Barremian Agua de la Mula Member of the Agrio Formation (Neuquén Basin, Argentina) was studied applying an integrated stratigraphic approach and facies analysis.
Archuby, Fernando   +2 more
core  

Early cephalopod evolution clarified through Bayesian phylogenetic inference. [PDF]

open access: yesBMC Biol, 2022
Pohle A   +8 more
europepmc   +1 more source

Cenomanian ammonites from the condensed deposits of the Helvetic Domain (western Alps, France and Switzerland) [PDF]

open access: yes, 2017
The Cenomanian ammonites of the Helvetic Domain (French-Swiss Western Alps) are revised and illustrated for the first time since the middle of the Nineteenth Century.
Delamette, M., Kennedy, W. J.
core  

The Douvilleiceratidae (Ammonoidea) of the Lower Aptian historical stratotype area at Cassis-La Bédoule (SE France)

open access: yes, 2008
International audienceRecent biostratigraphic research in the marly limestones of the Cassis-La Bédoule area (SE France) provided a rich macrofauna of Douvilleiceratidae Parona & Bonarelli, 1897.
Conte, Gabriel   +4 more
core   +1 more source

Dienerian (Early Triassic) ammonoids from the Candelaria Hills (Nevada, USA) and their significance for palaeobiogeography and palaeoceanography [PDF]

open access: yes, 2018
A well-preserved ammonoid fauna of Early Dienerian age has long been known from the lower portion of the Candelaria Formation in the old Candelaria silver mining district in Mineral and Esmeralda Counties, Nevada, but for a number of reasons, this fauna ...
Bucher, Hugo   +3 more
core  

The Middle Tithonian (Upper Jurassic) Ammonoid fauna of Cañadón de los Alazanes, southern Neuquén-Mendoza Basin, Argentina [PDF]

open access: yes, 2001
The Middle Tithonian rock and ammonite successions of Cañadón de los Alazanes (southern Neuquén-Mendoza Basin, Argentina), sampled for the first time, correlate almost exactly with those of the close localities Mallín de los Caballos and Mallín Quemado,
Parent, Horacio
core  

LARDAROCERAS GEN. N., A NEW LATE ANISIAN AMMONOID GENUS FROM THE PREZZO LIMESTONE (SOUTHERN ALPS)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2017
On the basis of ammonoids collected in the uppermost part of the Prezzo Limestone (Anisian), the new genus Lardaroceras and two new species L.  krystyni (type species) and L. pseudohungaricum are described; a third one is left in open nomenclature.
MARCO BALINI
doaj   +1 more source

The Deshayesitidae Stoyanov, 1949 (Ammonoidea) of the Aptian historical stratotype region at Cassis-La Bédoule (SE France)

open access: yes, 2006
International audienceOne of the significant results of the multidisciplinary investigations carried out during recent years in the Lower Aptian historical stratotype of the Cassis-La Bédoule region (South-Eastern France) was a proposal to update the ...
Conte, Gabriel   +4 more
core   +2 more sources

Estudio bioestratigráfico (Ammonoidea) del Aaleniense y Bajociense en Asturias [PDF]

open access: yes, 1979
Se ha reconocido un conjunto de parámetros tafonómicos que están íntimamente relacionados con las condiciones de depósito y con los procesos de diagénesis temprana.
Fernández López, Sixto Rafael   +1 more
core   +2 more sources

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