Un fossile de Luangwa trouvé au Brésil renforce la théorie de la Pangée
Zulu
Researchers from Rio Grande do Sul showed Tuesday that the fossil of about 240
million years of the skull of a cynodont, reptile very common to be found in Africa.
According to the team of the Lutheran University of Brazil (Ulbra), the discovery,
made in the municipality of Dona Francisca, in the central region of the state,
strengthening the theory that South America and Africa were connected by land.
he species, named Luangwa, has similar characteristics to the mammals of today. The
scientific name was given in tribute to the first description of a cynodont discovery
in the valley of the Luangwa, Zambia.
“The existence of two fossils of the same group in regions so far reinforces our
theory that the continents were united by a single block of land (Pang),” said
biologist Roberto da Silva Lucio, one of the researchers responsible of the finding,
along paleontologist with Sérgio Furtado Cabreira.
According to the team, the good condition of the fossil will facilitate research on
the biology of the animal. “Around 90% of the skull is very well preserved in
relation to other materials found, as jaws and teeth, which are well fragmented,”
said the biologist.
Cynodonts
Analysis of the fossil’s teeth so far indicate that the cynodonts could be omnivores,
herbivores and carnivores. Luangwa was an omnivorous group, which is fed with a
varied diet of plants, invertebrates and small vertebrates. One could measure a few
centimeters in height, but also reach up to 2 m.
http://www.whataboutbrazil.com/fossil-reinforces-the-theory-of-link-between-africa-and-america/
Jacques_Lavau
Wow ! Un putain de précurseur !
Avant séparation du Gondwana, le Gondwana était réuni !
Le scoop !
Pascal Boulerie
article en français serait bienvenu ici sur fr.sci.geosciences
lucien.coste
"Pascal Boulerie" <Pascal....@gmail.com> a écrit dans le message de
news: 4a0bb83e-906a-4109...@r36g2000prf.googlegroups.com...
Merci à Zulu pour cette information, mais un texte ou un lien vers un
article en français serait bienvenu ici sur fr.sci.geosciences
et en Colombie on vient de découvrir les restes fossilisés du plus gros
serpent connu : 13 mètres de long, une tonne. L'article figure encore
aujourd'hui sur le site de La Repubblica. Il est postérieur à l'xtinction
K-T.
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Lucien COSTE