Results 71 to 80 of about 2,224 (181)

LATE BARREMIAN-EARLY APTIAN AMMONITES FROM THE MAIOLICA FORMATION NEAR CESANA BRIANZA (LOMBARDY BASIN, NORTHERN ITALY)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2017
The ammonite faunas collected in three marly interbeds of the Maiolica limestone exposed near Cesana Brianza (Como province, Lombardy) are described in this paper. The age of the first and second interbeds is Late Barremian.
FABRIZIO CECCA, GIOVANNI LANDRA
doaj   +1 more source

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

Stratigraphical interpretation of Chalk Group macrofossils from the Hog's Back structure, Surrey [PDF]

open access: yes, 2015
This work summarises Chalk Group macrofossils, and their stratigraphical interpretation, for 69 localities across the monoclinal fold known as the ‘Hog’s Back’, between Farnham and Guildford, Surrey.
Woods, M.A.
core  

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  

Revisión de los Ammonoideos del Lías español depositados en el Museo Geominero (ITGE, Madrid) [PDF]

open access: yes, 1996
Se revisan desde el punto de vista taxonómico, los fósiles de ammonoideos correspondientes al Lías español que se encuentran depositados en el Museo Geominero.
Bernad, J., Martínez Gutiérrez, Gemma
core   +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

Giant scaphitid ammonites from the Maastrichtian of Europe [PDF]

open access: yes, 1999
Giant scaphitid ammonites from the Maastrichtian of Europe have generally been assigned to Acanthoscaphites NOWAK, 1911. Prior to the present study, this genus comprised five species: A. tridens (KNER, 1848), A. varians (LOPUSKI, 1911), A. verneuilianus (
Jagt, J.W.M.   +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

Depositional sequences and ammonoid assemblages in the upper Cenomanian-lower Santonian of the Iberian Peninsula (Spain and Portugal) [PDF]

open access: yes, 2014
A clear relationship exists between eustatic sea-level rises and falls recorded as cyclical depositional sequences and ammonite faunas during the Cenomanian-Santonian in the Iberian and West Portuguese basins.
Barroso-Barcenilla, F.   +5 more
core   +5 more sources

The first report of South American edrioasteroids and the paleoecology and ontogeny of rhenopyrgid echinoderms [PDF]

open access: yes, 2013
A new species of rhenopyrgid edrioasteroid Rhenopyrgus piojoensis sp. nov. is described form the Silurian (Lower Lud− low) Los Espejos Formation in the Precordillera of Argentina.
Heredia, Susana Emma   +3 more
core   +1 more source

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