This has suggested that when the earth was divided into two supercontinents, Laurasia
and Gondwana, thyreophorans were more common and diverse in Laurasia
First described by Melchior Neumayr in 1885 (3) as a Jurassic seaway, the Tethys Ocean was the large ocean body between the ancient continents of Gondwana and Laurasia
. Displaced by plate tectonics over many millennia, the Black, Caspian, and Aral seas are thought to be the surviving remnants of the Tethys.
The evolution of tetrapods - four legged vertebrates- from fishes was a key event in human ancestry and for a long time scientists have assumed that they had originated in Laurasia
- the smaller supercontinent which included modern day North America, Greenland and Europe.
However, similar pollen has also been reported from Southern Laurasia
, where the climate was cooler (subtropical?) and more humid, including the Barremian of England, as Barremian-r/ng (Hughes, 1994), and the Albian of Hungary, as Transitoripollis (Goczan & Juhasz, 1984).
100 million years ago, the supercontinent Pangea was in the process of separating itself into the northern and southern continents of Laurasia
The spiders that ended up on the northern continent of Laurasia
(which became North America, Europe and Asia) eventually went extinct.
Pangea primero se habria separado en dos grandes masas (Laurasia
y Gondwana) que habrian continuado fragmentandose y derivando hasta alcanzar sus configuracion y posiciones actuales (Hongn y Garcia, 2011; Rabassa, 2010).
The second volume focuses on the Laurasiatheria, placental mammals that originated on the northern supercontinent of Laurasia
. ([umlaut] Ringgold, Inc., Portland, OR)
During the Maastrichtian time, the globe can be tectonically divided into two distinct hemispheres; one dominated by deep oceanic basin of the Pacific and the other consisting of well-dispersed continents originated form Laurasia
and Gondwana (Hunter et al., 2008).
that have been become distributed worldwide presumably by human activities, all members of the tribe are exclusively found in Laurasia
(Deharveng et al.
The Northern Hemisphere was largely shaped by another supercontinent called Laurasia
. Both continents once formed a single supercontinent called Pangaea before breaking apart.
In "The Cartographer's Paradox", Samanta becomes a mapmaker, transforming the current world into the historical Gondwana and Laurasia
, creating an atlas with nations without borders, where he floats without restrictions (figure 4).