Results 31 to 40 of about 7,462,788 (258)

An Oligocene giant rhino provides insights into Paraceratherium evolution

open access: yesCommunications Biology, 2021
Deng et al. report a new species of giant rhino, Paraceratherium linxiaense, from specimens of the upper Oligocene Jiaozigou Formation in China with an age of 26.5 Ma. Morphological analysis of the completely preserved skull with articulated mandible and
Tao Deng   +6 more
doaj   +1 more source

INEVITABLE HUMANS: SIMON CONWAY MORRIS'S EVOLUTIONARY PALEONTOLOGY [PDF]

open access: yesZygon: Journal of Religion and Science, 2005
Abstract. Simon Conway Morris, noted Cambridge University paleontologist, argues that in evolutionary natural history humans (or beings rather like humans) are an inevitable outcome of the developing speciating processes over millennia; humans are “inherent” in the system.
Rolston, Holmes, 1932-, author   +1 more
openaire   +3 more sources

A new toothless pterosaur from the Early Cretaceous Jehol Biota with comments on the Chaoyangopteridae

open access: yesScientific Reports, 2023
The Chaoyangopteridae is a clade of azhdarchoid pterosaurs that stands out in China, particularly in the Jehol Biota, as a Cretaceous group of medium-sized and high-crested pterosaurs. Herein, we describe a new species, Meilifeilong youhao gen.
Xiaolin Wang   +13 more
doaj   +1 more source

Bony-fish-like scales in a Silurian maxillate placoderm

open access: yesNature Communications, 2023
Major groups of jawed vertebrates exhibit contrasting conditions of dermal plates and scales. But the transition between these conditions remains unclear due to rare information on taxa occupying key phylogenetic positions.
Xindong Cui   +4 more
doaj   +1 more source

Morphology of an Early Oligocene beaver Propalaeocastor irtyshensis and the status of the genus Propalaeocastor [PDF]

open access: yesPeerJ, 2017
The Early to Late Oligocene Propalaeocastor is the earliest known beaver genus from Eurasia. Although many species of this genus have been described, these species are defined based on very fragmentary specimens.
Lüzhou Li   +3 more
doaj   +2 more sources

Race and the odd history of human paleontology [PDF]

open access: yesThe Anatomical Record Part B: The New Anatomist, 2006
AbstractAlthough the late 17th century witnessed the recognition of fossils as the remains of extinct organisms—because they could be incorporated into the creation story embodied in the Great Chain of Being—acceptance of human antiquity through the indisputable demonstration of the contemporaneity of human bones, stone tools, and accepted fossils was ...
openaire   +2 more sources

A new long-snouted marine reptile from the Middle Triassic of China illuminates pachypleurosauroid evolution

open access: yesScientific Reports, 2023
Sauropterygia is the largest, most successful group of Mesozoic marine diapsids, spanning from the late Early Triassic to the Late Cretaceous. Plesiomorphic for sauropterygians, pachypleurosauroids are important for our understanding on the early ...
Guang-Hui Xu   +7 more
doaj   +1 more source

The first dinosaurs from the Early Cretaceous Hami Pterosaur Fauna, China

open access: yesScientific Reports, 2021
The Early Cretaceous Hami Pterosaur Fauna in Northwest China preserves a large number of specimens of the sexually dimorphic pteranodontoid pterosaur Hamipterus tianshanensis, including 3D eggs and embryos.
Xiaolin Wang   +6 more
doaj   +1 more source

A new genus of sinogaleaspids (Galeaspida, stem-Gnathostomata) from the Silurian Period in Jiangxi, China [PDF]

open access: yesPeerJ, 2020
Galeaspids are an endemic clade of jawless stem-gnathostomes known as ostracoderms. Their existence illuminates how specific characteristics developed in jawed vertebrates.
Xianren Shan   +5 more
doaj   +2 more sources

Origin, evolution and biogeographic dynamics of the European rabbit (Oryctolagus cuniculus) in Southwestern Europe

open access: yesThe Anatomical Record, EarlyView.
Abstract The Pleistocene is a key period for understanding the evolutionary history and palaeobiogeography of the European rabbit (Oryctolagus cuniculus). The species was first documented in southeastern Iberia at the beginning of the Middle Pleistocene and appears to have rapidly spread throughout Southwestern Europe, where it was found in numerous ...
Maxime Pelletier
wiley   +1 more source

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