Sökning: "Treptichnus"

Hittade 1 avhandling innehållade ordet Treptichnus.

1. 1. The Evolutionary Significance of Cambrian Ecdysozoan Trace Fossils

   Författare :Giannis Kesidis; Graham Budd; Liam Herringshaw; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Cambrian; trace fossil; Cruziana; Rusophycus; Treptichnus; Ecdysozoa;

   Sammanfattning : The origin of most of the animal phyla is tied to the Cambrian explosion, a rapid diversification event that took place from about 540 million years ago. This diversification is coupled with a great number of concurrent metazoan body plan innovations such as the development of the coelom, antagonistic muscles and a through-gut. LÄS MER