Sökning: "ammonites"

Hittade 1 uppsats innehållade ordet ammonites.

  1. 1. Testing the Cretaceous Diversity of Ichthyosaurs and Their Extinction Hypotheses Using a Quantitative Approach

    Master-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Naz Acikkol; [2015]
    Nyckelord :diversity; ichthyosaurs; extinction; belemnites; ammonites; prey; predator; rock record; sampling bias; Cretaceous; mångfald; utdöende; fisködlor; belemniter; rovdjur; byte;

    Sammanfattning : As portrayed in Before the Dinosaur: the Historical Significance of the Fossil Marine Reptiles, ichthyosaurs, as other Mesozoic marine amniotes, have been unfairly overshadowed by dinosaurs in both popular culture and the field of vertebrate palaeontology. Yet by the effort of dedicated researchers, work on these fish-like marine reptiles had never died out, and in fact a second wave of interest emerged in the late 20th century. LÄS MER