Đặt câu với từ "maastrichtian"

1. Five families have both Maastrichtian and Paleocene fossil representatives.

2. Alluvial floodplain mudstones of the late Maastrichtian Whitemud Formation of southern Saskatchewan contain abundant vertebrate faecal remains preserved as siderite and Fe-hydroxides.

3. Planktonic and larger Benthonic foraminifers of the Upper Cretaceous (Santonian–Maastrichtian)-Lower Tertiary (Danian) rock units from north, northwest and central Anatolian fore-arc basins have

4. Sp., which were preserved by biomuration, were found on the lower face of the base of the cyclostomatous BryozoonIdmidronea macilenta (v.Hag.) from the Upper Maastrichtian Chalk-Tuff of Maastricht (Netherlands)

5. There is no evidence that late Maastrichtian non-avian dinosaurs could burrow, swim, or dive, which suggests they were unable to shelter themselves from the worst parts of any environmental stress that occurred at the K–Pg boundary.

6. At present the most informative sequence of dinosaur-bearing rocks in the world from the K–Pg boundary is found in western North America, particularly the late Maastrichtian-age Hell Creek Formation of Montana.

7. Belemnites are particularly important in the biostratigraphy of the Boreal chalks of Campanian and Maastrichtian range, with the genera Gonioteuthis, Belemnitella and Belemnella displaying evolutionary changes which permit development of a refined zonation (Combemorel and …

8. Belemnitida (or Belemnites) is an extinct order of cephalopods which existed during the Mesozoic era, from the Hettangian age of the Lower Jurassic to the Maastrichtian age of the Upper Cretaceous.The Belemnite is the state fossil of Delaware

9. The new species holds an intermediate position between the other species of this genus andVautrinia, a Maastrichtian radiolite of Syria. — Starting from the microstructure of the shell the function of primary and secondary pillars, oscules, folds of the valve brim, and of the «siphonal» bands S and E of Hippuritidae and Radiolitidae are discussed.