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Brazil 2019 "Prehistoric animals of Parana region"

Issue Date 12.12.2019
ID Michel: Stanley Gibbons: UPU: Category: pR
Author Luciano Vidal
Stamps in set 2
Value 1o Porte Carta Comercial (1,95r) -  Vespersaurus paranaensis
1o Porte Carta Comercial (1,95r)  -  Caiuajara debruskii
Size
(width x height)
Layout Two mini sheets of 12  stamps each
Products None
Paper
Perforation
Print Technique
Printed by
Quantity
Issuing Authority Correios Brazil
Tyrannosaurus Trix on personalized stamps of Netherlands 2016

On December 12, 2019 Brazilian Post issued a set of two personalized stamps "Prehistoric animals of Parana region",  that printed in two mini-sheets of 12 stamps each with increased image on the top. Both stamps designed by young Brazilian paleoartist Luciano Vidal. One of the stamps depicting dinosaur Vespersaurus paranaensis , another one shows pterosaur Caiuajara debruskii  whose fossils were found in Paraná region.

Vespersaurus paranaensis dinosaur on personalized stamp of Brazil 2019 A small, carnivorous dinosaur with short arms and a biped - whose body weight is supported on the central toe. This is Vespersaurus paranaensis (on the left) , an unprecedented specimen in the world, found in the Cruzeiro do Oeste region, a municipality of 21 thousand inhabitants in the Northwest of Paraná. The discovery of the fossil was announced at a news conference in June this year (2019), as a result of research done by the State University of Maringá (UEM), University of São Paulo (USP) and the Paleontological Museum of Cruzeiro do Oeste. The study on the first dinosaur “100% Paraná” was published in the scientific journal Scientific Reports.
The name came from the junction of vesper (west, in Latin; homage to the city in which it was found) and saurus (lizard, also in Latin).
Caiuajara debruskiion pterosaur on personalized stamp of Brazil 2019
The new dinosaur, which would have lived 90 million years ago, in the Cretaceous period, was found in the same paleontological site where numerous individuals of the pterosaur Caiuajara debruskii (on the right) had already been discovered . 
Among the main anatomical characteristics that made them deserve a new classification, differentiating them from the known species of pterosaur, is the fact that they have the “beak”, that is, the final part of the mandible, more inclined downwards than the others.
In addition, the animals have concavities in the roof of the mouth and in the lower arch, the latter being more pronounced, and whose usefulness the researchers have not yet discovered. Researchers estimate that the animal lived in the Upper Cretaceous period, some 80 million years ago.
The importance of this discovery, in addition to being a new species, lies in the accumulation of fossils at the site. This is the first accumulation of pterosaurs found in the country, and the third worldwide. The first occurred in Argentina, in the 1990s, and the second in China, in 2014. Among the three, Paraná accumulation is the one with the highest number of individuals identified so far.
A possible explanation for this concentration is the fact that the Cruzeiro do Oeste region was a desert at the time when these animals inhabited the place. For this reason, pterosaurs probably concentrated around some type of oasis, which would explain the conditions in which the bones were found (dismantled and mixed).


Products
Mini Sheets Used letters
Mini Sheets with Dinosaurs from Parana personalized stamps of Brazil 2019 Dinosaurs from Parana personalized stamps of Brazil 2019 on circulated letter to Germany
Artwork of Luciano Vidal (paleoartist and the stamps designer)
Caiuajara debruskiion pterosaur on artwork of Luciano Vidal


References:  http://blog.correios.com.br/   Veja   Luciano Vidal


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