Results 81 to 90 of about 13,318 (257)
The geology of Texas : upper Paleozoic ammonites and fusulinids
, 1912 Accompanied by 7 plates and figures. Plates 72, 76, 77, 78, 80, 81 : Illustrations of fusulinidae. Figure 88 : Chart showing the stratigraphic occurrences of the Carboniferous ammonites in the Mid-ContinentUT ...
Sellards, E. H. (Elias Howard), 1875-1961
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Albian ammonites from northern Pakistan
, 2014 The occurrence of rich Albian ammonite faunas in what is now northern Pakistan has been known for more than 80 years, but there has been no comprehensive account of the assemblages present. A total of 36 taxa are described below.
W. Kennedy, A. N. Fatmi
semanticscholar +1 more source
Historia del conocimiento de los Ammonites del jurásico de España: II. Los Ammonites del jurásico de España desde 1800 hasta 1900 [PDF]
, 1996 The knowledge about Ammonites in Spain, between Torrubia (1754) and the beginning of the XIXth, is analyshed together with an evaluation of possibility for the existence of a real palaeontological research.
Tavera Benítez, José María +10 more
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, 1998 Ce classeur intitulé "Les ammonites" est destiné à l'Association des Professeurs de Biologie Géologie de France (APBG, Paris) : 74 p.
Reboulet, Stéphane
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Carnets de Géologie, 2007 Généralement considéré comme une période chaude, le Crétacé supérieur témoigne d'une extension maximale des domaines marins. Les optima transgressifs du Cénomanien et du Turonien inférieur induisent la création de nouveaux domaines de mer épicontinentale
Courville Philippe
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Ammonites and stratigraphy of a Lower Bajocian (Middle Jurassic) section in Sierra Chacaico (Neuquén Basin, Argentina) [PDF]
, 2012 A Lower Bajocian section from southern Neuquén Basin (Argentina), with 3 faunal horizons (sphaeroceroides, submicrostoma and giebeli horizons) in the Singularis and Giebeli zones, is described.
Dietze, Volker +5 more
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About the stratigraphic position of the Lower Aptian Roloboceras hambrovi (Ammonoidea) level
Carnets de Géologie, 2008 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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, 2020 The present contribution provides a taxonomic reassessment of the Lower Cretaceous ammonite species Ammonites crassicostatus d'Orbigny (type species of Colombiceras Spath) and Ammonites gargasensis d'Orbigny (type species of Gargasiceras Casey) from the ...
Pictet, Antoine +2 more
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2376: 4 Ammonites in Matrix Fossil Mesozoic, Cretaceous
This fossil is a great example of a heteromorph ammonites. Heteromorph ammonites have uncoiled shells. Ammonites, related to the modern-day nautilus, are from a group of extinct marine mollusks in the subclass Ammonoidea.
ZUHL
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Carnets de Géologie, 2010 The study of more than 40 sections in the "Creniceras renggeri marls" of the French Jura Range (Lower Oxfordian) has found: * a precise biochronostratigraphic subdivison of 16 successive populations or associations which appears to be stable over the ...
Jardat Rémi
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