Results 31 to 40 of about 4,855 (225)
Did the climate changes cause the extinction of the Late Pleistocene gomphotheres in South America? [PDF]
A global wave of megafauna extinctions occurred between 50,000 and 10,000 years ago, impacting numerous large continental mammals that are crucial to ecosystem dynamics.
Evelyn N.S. Cruz +2 more
doaj +1 more source
Planktic foraminifera are commonly used for first-order age control in deep-sea sediments from low-latitude regions based on a robust tropical–subtropical zonation scheme.
Adriane R. Lam +4 more
doaj +1 more source
The Earliest Known Radiation of Pitheciine Primates. [PDF]
Right mandible and dentition of the holotype of Soriacebus ameghinorum (MACN Pv SC2), from the Early Miocene of Patagonia, compared with the living Cacajao calvus (FMNH 88813, cast), both representing extinct and extant morphologies of the Pitheciinae: Procumbent and styliform incisors and projecting canines represent a morphological complex for ...
Novo NM +3 more
europepmc +2 more sources
Dimorphism in quaternary scelidotheriinae (mammalia, xenarthra, phyllophaga) [PDF]
The contributions concerning possible cases of sexual dimorphisms in fossil and living sloths are scarce. Until now, studies in fossil ground sloth sexual dimorphism have been limited to the subfamilies Megatheriinae (Eremotherium) and Mylodontinae ...
Miño Boilini, Ángel Ramón +1 more
core +1 more source
Due to its intermediate geographical position between the Mediterranean and W Pacific, the Oligocene shallow-marine sequence of Kutch (India) is of key importance in paleobiogeographical interpretations.
György Less +5 more
doaj +1 more source
Cnemidophorus hyperythrus [PDF]
Number of Pages: 6Integrative BiologyGeological ...
Crother, Brian I. +2 more
core +1 more source
Lepidorbitoides (Foraminifera) from the lower Maastrichtian Kallankuruchchi Formation, Cauvery Basin, India: Morphometry and paleobiogeography [PDF]
The southernmost occurrence of the early Maastrichtian larger benthic foraminifera (LBF) in Tethys is known from the Kallankuruchchi Formation in the Cauvery Basin, SE India, represented by Lepidorbitoides-Siderolites assemblages.
Chandra Somappa, S. +6 more
core +1 more source
Orthophragminids from the Bartonian Fulra Limestone in Kutch, India and the coeval units in Sulaiman Range in Pakistan suggest the establishment of a significant number of endemic species in the Indian subcontinent (Eastern Tethys).
Ercan Özcan +4 more
doaj +1 more source
The Eocene South American metatherian Zeusdelphys complicatus is not a protodidelphidid but a hatcheriform: Paleobiogeographic implications [PDF]
Zeusdelphys complicatus is one of the most enigmatic metatherians from the Itaboraí Basin. The type and only known specimen was previously regarded as the upper dentition of Eobrasilia; an M4 of a new taxon; an M3 of a Kollpaniidae (now regarded as a ...
Leonardo M. Carneiro +1 more
doaj +1 more source
The Diversity of South American Equus: Did Size Really Matter?
The extant horse genus Equus originated in North America, probably during the late Miocene/early Pliocene, and its entrance into South America was possibly related to one of the last four stages of the Great American Biotic Interchange.
Helena Machado +2 more
doaj +1 more source

