Results 1 to 10 of about 410 (112)
First detection of porcine circovirus 4 (PCV-4) in Europe [PDF]
Porcine circovirus 4 (PCV-4) is a novel virus recently discovered (2019) in domestic pigs from China, although several studies have proven its circulation since 2008.
Rocío Holgado-Martín +7 more
doaj +2 more sources
Reconstruction of pectoral musculature in non-avialan paravians and basal birds: implications in the acquisition of flapping flight [PDF]
Several studies analyzed the origin of flapping birds, but only a few of them explored the scapular girdle myology in early birds and non-avian paravians.
Gastón E. Lo Coco +3 more
doaj +2 more sources
First monotreme from the Late Cretaceous of South America [PDF]
An isolated tooth from the Late Cretaceous of Argentina indicates a monotreme presence in South America by the end of the Mesozoic.
Nicolás R. Chimento +6 more
doaj +2 more sources
Significant Detection of Porcine Circovirus 3 and Porcine Circovirus 4 in Wild Boars from Mid-Western Spain Without Apparent Sanitary Consequences [PDF]
PCV-3 and PCV-4 are novel viruses that can infect domestic pigs and wild boars. Both viruses are associated with multiple disorders in domestic pigs (reproductive failure, respiratory damage, etc.).
Rocío Holgado-Martín +6 more
doaj +2 more sources
The Sublingua of Lemur catta and Varecia variegata: Only a Cleaning Function? [PDF]
The sublingua is an anatomical structure located under the tongue. This rare organ can be present in some animals as a rudimentary structure, but among prosimian primates, such as lemurs and lorises, it is fully developed.
Juan Francisco Pastor +6 more
doaj +2 more sources
A new late Cretaceous squamate from Patagonia sheds light on Gondwanan diversity [PDF]
The fossil record of Mesozoic terrestrial squamates is very poor in the Southern Hemisphere. Currently recognised species represent less than 6% of the number described for Laurasian landmasses.
Federico L. Agnolín +9 more
doaj +2 more sources
A large therian mammal from the Late Cretaceous of South America [PDF]
Theria represent an extant clade that comprises placental and marsupial mammals. Here we report on the discovery of a new Late Cretaceous mammal from southern Patagonia, Patagomaia chainko gen. et sp.
Nicolás R. Chimento +5 more
doaj +2 more sources
Reply to: “Patagomaia could be a gondwanatherian” [PDF]
Nicolás R. Chimento +2 more
doaj +2 more sources
In 1976 John Ostrom published an enlightening paper about the anatomical transformations in the shoulder girdle and forelimb elements along the origin of birds.
Fernando E. Novas +6 more
doaj +1 more source
Megaraptora is a theropod clade known from former Gondwana landmasses and Asia. Most members of the clade are known from the Early to Late Cretaceous (Barremian–Santonian), with Maastrichtian megaraptorans known only from isolated and poorly informative ...
Alexis M. Aranciaga Rolando +5 more
doaj +1 more source

