The ammonite genus Diaziceras Spath, 1921, from the Campanian of KwaZulu-Natal, South Africa, and Madagascar [PDF]
The ammonite genus Diaziceras Spath, 1921, and the type species, D. tissotiaeforme are revised and referred to the subfamily Lenticeratinae Hyatt, 1900, of the family Sphenodiscidae Hyatt, 1900.
Kennedy, William James +1 more
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RAIMONDICERAS RAIMONDII (GABB, 1877) (AMMONOIDEA): ESTUDIO TAXONÓMICO PRELIMINAR
De una colección taxonómica de referencia depositada en el Departamento de Paleontología del Museo de Historia Natural “Vera Alleman Haeghebaert” de la Universidad Ricardo Palma, Lima, Perú, se identifi có, registró y describió diez y siete ejemplares del género Raimondiceras Spath, 1924, de los cuales doce ejemplares fueron atribuidos a la especie ...
openaire +3 more sources
Spatial distribution of oncocerid cephalopods on a Middle Devonian bedding plane suggests semelparous life cycle. [PDF]
Pohle A, Fuchs D, Korn D, Klug C.
europepmc +1 more source
Excursion Le Crétacé de l'Arc de Castellane (SE France) (25- 28 août 2010)
International audienceLe développement de la stratigraphie événementielle (événements anoxiques océaniques globaux, " crises tectoniques ", eustatisme, renouvellement biologiques, etc.), conduit à la recherche de référentiels de terrain.
Bulot, Luc Georges +2 more
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Stratigraphical interpretation of Chalk Group macrofossils from Sheet 266 (Marlborough) : May 2011 [PDF]
Macrofossils from surface and outcrop exposures of the Chalk Group on Sheet 266 (Marlborough) were collected in May 2011 in connection with the resurvey of that district.
Woods, M.A.
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La posición sistemática del orden Ammonoidea
Si quisiéramos comprobar la influencia de la especialización profesional sobre la orientación mental de dos clases distintas de estudiosos, podríamos preguntar a un geólogo y a un zoólogo: —¿Qué se entiende por Ammonites? Con toda probabilidad, el geólogo respondería algo así: —Los ammonites son conchas fósiles, generalmente simétricas y regularmente ...
openaire +2 more sources
Ammonites from the latest Aalenian-earliest Bathonian of La Baume (Castellane area, SE France): palaeontology and biostratigraphy [PDF]
Middle Jurassic strata are naturally exposed around the village called La Baume, near Castellane (Alpes de Haute Provence, SE France). We have realized both a detailed log and a bed-by-bed sampling for ammonite biostratigraphy in a 68 metres thick ...
Cecca, Fabrizio +3 more
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Dienerian (Early Triassic) ammonoids from the Candelaria Hills (Nevada, USA) and their significance for palaeobiogeography and palaeoceanography [PDF]
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
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Vertical escape tactics and movement potential of orthoconic cephalopods. [PDF]
Peterman DJ, Ritterbush KA.
europepmc +1 more source
The ammonite septum is not an adaptation to deep water: re-evaluating a centuries-old idea. [PDF]
Lemanis R.
europepmc +1 more source

