Origination, diversity, and extinction metrics essential for analysis of mass biotic crisis events: An example from cretaceous ammonoidea [PDF]
Traditional mass extinction research has predominently concentrated on statistically demonstrating that mass extinction intervals are significantly above background levels of familial and generic extinction in terms of extinction percentage, extinction ...
Collom, Christopher J.
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Revisión de los Ammonoideos del Lías español depositados en el Museo Geominero (ITGE, Madrid) [PDF]
, 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
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Upper Cretaceous Cephalopoda from offshore deposits off the Natal South coast, South Africa [PDF]
, 1985 Dredge samples off the Natal South Coast yielded an Upper Cretaceous cephalopod fauna consisting of Eutrephoceras sphaericum geinitzi Wiedmann, 1960, Phylloceras (Hypophylloceras) woodsi woodsi Van Hoepen, 1921, Partschiceras umzambiense (Van Hoepen ...
Klinger, Herbert C
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La posición sistemática del orden Ammonoidea
Revista del Museo de La Plata, 1936 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
Stratigraphical interpretation of Chalk Group macrofossils from the Hog's Back structure, Surrey [PDF]
, 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.
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Nouveaux biohorizons et propositions pour le découpage biozonal ammonitique du Barrémien supérieur du Sud-Est de la France [PDF]
, 2008 International audienceUn nouveau découpage biozonal ammonitique du Barrémien supérieur du Sud-Est de la France est proposé. Il tient compte des renouvellements fauniques, des données séquentielles ainsi que des données historiques.
Bersac, Stéphane +2 more
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Excursion Le Crétacé de l'Arc de Castellane (SE France) (25- 28 août 2010)
, 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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The Staffelegg Formation: a new stratigraphic scheme for the Early Jurassic of northern Switzerland [PDF]
, 2018 The deposits of the Early Jurassic in northern Switzerland accumulated in the relatively slowly subsiding transition zone between the southwestern part of the Swabian basin and the eastern part of the Paris basin under fully marine conditions ...
Jordan, Peter +3 more
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