Sökning: "fisködlor"

Hittade 2 uppsatser innehållade ordet fisködlor.

1. 1. Embryologi och tidig ontogeni hos mesozoiska fisködlor (Ichthyopterygia)

   Kandidat-uppsats, Lunds universitet/Geologiska institutionen

   Författare :Susanna Perneby Molin; [2016]
   Nyckelord :fisködlor; embryo; ontogeni; jura; Holzmaden; Earth and Environmental Sciences;

   Sammanfattning : Ichthyosaurs (‘fish lizards’) are a group of marine reptiles that lived during the Mesozoic Era. They are all included in the superorder Ichthyopterygia, which consists of at least 36 genera and 80 species. LÄS MER

3. 2. 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