Results 51 to 60 of about 202 (155)
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
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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
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About the stratigraphic position of the Lower Aptian Roloboceras hambrovi (Ammonoidea) level
In the stratotype of the Lower Aptian substage the position of the assemblage that includes Roloboceras spp. and Megatyloceras spp. has been clearly established as being in the middle part of the upper Bedoulian. Some authors have erected this horizon as
Conte Gabriel +3 more
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Early cephalopod evolution clarified through Bayesian phylogenetic inference. [PDF]
Pohle A +8 more
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LARDAROCERAS GEN. N., A NEW LATE ANISIAN AMMONOID GENUS FROM THE PREZZO LIMESTONE (SOUTHERN ALPS)
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
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Flexispinites nov. gen. (Taramelliceratinae, Ammonoidea)
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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Paleozoic ammonoid ecomorphometrics test ecospace availability as a driver of morphological diversification. [PDF]
Whalen CD, Hull PM, Briggs DEG.
europepmc +1 more source
Jaws, radula, and crop of Arnioceras (Ammonoidea)
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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Gastropods underwent a major taxonomic turnover during the end-Triassic marine mass extinction event. [PDF]
Ferrari M, Hautmann M.
europepmc +1 more source
La posición sistemática del orden Ammonoidea
Si quisiéramos comprobar la influencia de la especialización profesionalsobre la orientación mental de dos clases distintas de estudiosos, podríamospreguntar a un geólogo y a un zoólogo: ? ¿Qué se entiende por Ammonites?
Enrique Fossa Mancini
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