Results 21 to 30 of about 35,601 (116)

Nutrient dynamics and oceanographic features in the central Namibian upwelling region as reflected in δ15N-signals of suspended matter and surface sediments [PDF]

open access: yesFossil Record, 2011
The study deals with the modern situation of the northern Benguela Upwelling, directing particular attention to the shelf region off central Namibia (21 to 24° S).
S. Meisel, U. Struck, K.-C. Emeis
doaj   +3 more sources

The Tendaguru Formation (Late Jurassic to Early Cretaceous, southern Tanzania): definition, palaeoenvironments, and sequence stratigraphy [PDF]

open access: yesFossil Record, 2009
The well-known Late Jurassic to Early Cretaceous Tendaguru Beds of southern Tanzania have yielded fossil plant remains, invertebrates and vertebrates, notably dinosaurs, of exceptional scientific importance.
R. Bussert, W.-D. Heinrich, M. Aberhan
doaj   +3 more sources

Mass concentration of Hirnantian cephalopods from the Siljan District, Sweden; taxonomy, palaeoecology and palaeobiogeographic relationships [PDF]

open access: yesFossil Record, 2011
The Hirnantian Glisstjärn Formation (Normalograptus persculptus graptolite Biozone) is a succession of limestones and shales onlapping the Katian Boda Limestone in the Siljan District, Sweden.
B. Kröger   +3 more
doaj   +3 more sources

The ammonoids from the Dalle à Merocanites of Timimoun (Late Tournaisian–Early Viséan; Gourara, Algeria) [PDF]

open access: yesFossil Record, 2010
The ammonoids from the Early Carboniferous (Mississippian) Dalle à Merocanites of Timimoun (Gourara, Algeria) are described. The following new ammonoid taxa are introduced: subfamily Hammatocyclinae n. subfam., Hammatocyclus pollex n.
V. Ebbighausen, D. Korn, J. Bockwinkel
doaj   +3 more sources

The Early Miocene muroids (Muroidea, Rodentia) of the Ribesalbes-Alcora Basin (Spain): A thriving haven during a time of migration [PDF]

open access: yesFossil Record
The Campisano Ravine in the Ribesalbes-Alcora Basin (Spain, Early Miocene, Biozone C, MN 4) yielded a diverse and abundant assemblage of muroids, comprising five distinct taxa, and nearly 700 remains.
Vicente D. Crespo   +3 more
doaj   +3 more sources

The late Pleistocene horned crocodile Voay robustus (Grandidier & Vaillant, 1872) from Madagascar in the Museum für Naturkunde Berlin [PDF]

open access: yesFossil Record, 2009
Crocodylian material from late Pleistocene localities around Antsirabe, Madagascar, stored in the collection of the Museum für Naturkunde, Berlin, was surveyed. Several skeletal elements, including skull bones, vertebrae, ribs, osteoderms, and limb bones
C. Bickelmann, N. Klein
doaj   +3 more sources

A new weird cricket (Orthoptera, Gryllidea) from mid-Cretaceous Kachin amber in northern Myanmar [PDF]

open access: yesFossil Record
Gryllidea, one of the most species-rich groups in Orthoptera, are characterized by relatively scarce fossil records until the K-Pg extinction. This study describes a unique Mesozoic cricket, Fortigryllus xiangrui gen. et sp.
Xia Ji   +6 more
doaj   +3 more sources

Rhyacophila quadrata n. sp., a new caddisfly (Insecta, Trichoptera) from Eocene Baltic amber [PDF]

open access: yesFossil Record, 2008
Rhyacophila quadrata n. sp., a new fossil caddisfly, is described from Eocene Baltic amber. The new species belongs to the family Rhyacophilidae whose extant larvae prefer cool running-water habitats.
W. Wichard, C. Neumann
doaj   +3 more sources

The first recognition of the enigmatic fossil shark genus Megalolamna (Lamniformes, Otodontidae) from the lower Miocene of Europe and M. serotinus (Probst, 1879) as the newly designated type species for the genus [PDF]

open access: yesZitteliana
Megalolamna is an elusive extinct shark genus (Lamniformes: Otodontidae) previously known from the upper Oligocene–Miocene of the USA, Colombia, Ecuador, Peru, and Japan.
Jürgen Pollerspöck, Kenshu Shimada
doaj   +3 more sources

Berliner Geowissenschaftlerinnen an der Friedrich-Wilhelms-Universität von 1906 bis 1945, eine Fallstudie [PDF]

open access: yesFossil Record, 2003
In dieser Untersuchung werden beispielhaft die Lebenswege und Karrieren von Berliner Geowissenschaftlerinnen im Zeitraum von 1906 bis 1945 nachgezeichnet und analysiert. Ähnlich wie an anderen deutschen bzw. westlichen Universitäten, aber im Gegensatz zu
B. A. R. Mohr, A. Vogt
doaj   +3 more sources

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