A5088576453- Paleontology and Stratigraphy of Fossils
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Senckenberg Research Institute and Natural History Museum Frankfurt/M
2007-2022
Information Today (United States)
2013
American Museum of Natural History
2013
National Museum of Natural History
2013
Robert S. Peabody Museum of Archaeology
2013
Yale University
2013
Museum für Naturkunde
2013
Fraunhofer Institute for Laser Technology
2011
Abstract The succession of Pridolian to lower Eifelian (uppermost Silurian lowermost Middle Devonian) rhynchonelliformean brachiopod faunas from the Rhenish Massif (Germany) is described and interpreted against background sedimentary sequences facies development. predominant rhenotypic (‘Rhenish’) redefined as a neritic-siliciclastic type Devonian. It subdivided into eurhenotypic, pararhenotypic allorhenotypic subfacies, based on features specific assemblages reflecting different...
Abstract In the Eifel area (western Rheinisches Schiefergebirge), a shallow- to deep-subtidal sequence of mixed carbonates and siltstones around Kačák Event Interval close Eifelian–Givetian stage boundary was studied. An overall transgressive trend is inferred by microfacies evolution. The stratigraphic variations magnetic susceptibility in shale intervals show an decreasing evolution towards top, which fits well with trend. addition, carbon oxygen isotopes, major, trace rare earth element...
Abstract Marine Lower Devonian successions are widely exposed in the Dra Valley (Southern Anti-Atlas, Moroccan Pre-Sahara). Resulting from new studies, especially on brachiopods, conodonts, and dacryoconarid tentaculitids, chronostratigraphic assignments of formations revised. Thanks to lateral vertical facies variations, it is possible correlate pelagic neritic corresponding biostratigraphies. Pelagic conodont, goniatite faunas allow correlations dating sense Bohemian global...
Brachiopods from the upper Přídolí–lower Eifelian (uppermost Silurian–lowermost Middle Devonian) of Rhenish Massif (Rheinisches Schiefergebirge, Germany) are taxonomically revised in a long-term project. Currently, nearly 270 species have been distinguished. Stratigraphic intervals with characteristic ecological-evolutionary faunas separated by events caused interplay changing subsidence, sedimentation and eustatic sea-level, combination possible climatic factors. A detailed biostratigraphy...
The first ammonoids from the Lower Emsian (Devonian) of Belgium are described. They belong to Anetoceratinae, which show most plesiomorphic characters all ammonoids. This is second report Early within Rhenish facies Slate Mountains (Belgium, Germany), in this case Belgian part Eifel (Burg Reuland). It highlights possible importance for correlation its traditional German sense and global as delimited by GSSPs. Newly collected, age-significant brachiopods genera Arduspirifer Euryspirifer other...
Abstract A Late Devonian to (?)Early Mississippian section at Hushoot Shiveetiin gol in the Baruunhuurai Terrane of Central Asian Orogenic Belt (CAOB) exposes large parts cyclic Famennian shallow-water siliciclastic shelf deposits composed siltstones, sandstones, shales, volcaniclastics, and intercalated autochthonous carbonates. The youngest part section, possibly Early Mississippian, is represented by arkosic sandstones with plant remains. facies reflects a range from shallow-intertidal...
Abstract A new rich and diversified ostracode fauna from the Torkoz area (section Hassi Mouf South, Moroccan Anti-Atlas) is described distribution near Early/Middle Devonian boundary discussed. This of a single limestone bed yields 32 taxa compared with less-diversified an adjacent parallel section South as well published conodont-bearing sample Torkoz. All three faunas are closely related, therefore, same latest Emsian age postulated. Palynomorphs (acritarchs prasinophytes) support this...
The stringocephalid genus Paracrothyris Wu in Wang et al., 1974 is reported for the first time from Givetian beds of Western Sahara (Northwest Africa).Although only dorsal shell fragments have been found, specimens can be assigned to this with certainty due a combination preserved characters: lack median septum, and presence crural plates typical stringocephaloid morphology.The (type species P. distorta 1974) was originally described South China later Nevada, U.S.A., has age (late Middle...
Thecideide brachiopods are an anomalous group of invertebrates. In this study, we discuss the evolution thecideide from Triassic to Holocene and base our results conclusions on microstructure texture measurements gained electron backscatter diffraction (EBSD). fossil Recent shells, observe following mineral units: (1) nanometric small granules; (2) acicles; (3) fibres; (4) polygonal crystals; (5) large roundish crystals. We trace for shells change unit characteristics such as morphology,...