Results 11 to 20 of about 90,744 (294)

The palaeontological collection stored in the Department of Geology of the National Museum of Natural History NAS of Ukraine as a scientific heritage

open access: yesGeo&Bio, 2019
The palaeontological collection of the Geological Department of the National Museum of Natural History NAS of Ukraine (NMNH NASU) is among the most valuable objects of the national scientific and cultural heritage. The article presents a brief analytical
G. V. Anfimova   +3 more
doaj   +1 more source

Variation and process of life history evolution in insular dwarfism as revealed by a natural experiment

open access: yesFrontiers in Earth Science, 2023
Islands are a classic focus for evolutionary studies. One topic of great interest has been the evolution of “dwarfs,” significantly smaller island mammals relative to their continental counterparts.
Shoji Hayashi   +9 more
doaj   +1 more source

The Clicking Elateroidea from Chinese Mesozoic Deposits (Insecta, Coleoptera)

open access: yesInsects, 2020
Recent molecular studies have suggested that the clicking beetle families Elateridae, Eucnemidae, Throscidae, and Cerophytidae evolved in the Jurassic and diversified in the Cretaceous.
Jyrki Muona, Huali Chang, Dong Ren
doaj   +1 more source

Analisis Sisa Gajah Dari Kecamatan Tamban, Kabupaten Batola (Kalimantan Selatan): Suatu Pengumuman

open access: yesBerkala Arkeologi, 1989
Dalam tahun 1987 Pusat Penelitian Arkeologi Nasio­nal diminta untuk mengoreksi suatu temuan yang baru dilakukan oleh Bidang Permuseuman Sejarah dan Purba­kala Kantor Wilayah Departemen Pendidikan dan Kebu­dayaan Propinsi Kalimantan Selatan.
Rokus Due Awe
doaj   +1 more source

How Technology Has Thrown Us Out of Balance with Nature and Why We Need to Get Back In

open access: yesMolecular Frontiers Journal, 2020
We have created a technology-based environment in an effort to control our world, but we need to understand that the biological forces that shaped us continue to play a role in our future. As more and more species go extinct because of human activity, we
Donald Johanson
doaj   +1 more source

Fossil–Lagerstätten [PDF]

open access: yesGeology Today, 2008
Possibly every palaeontologist, before and after Charles Darwin, has been well aware that the fossil record is very incomplete. Only a tiny percentage of the plants and animals alive at any one time in the past get preserved as fossils, both in terms of numbers of individuals and in terms of numbers of species.
Nudds, J.R., Selden, P.A.
openaire   +2 more sources

Preservation of Arctic dinosaur remains from the Prince Creek Formation (Alaska, USA): A reply to Fiorillo (2016) [PDF]

open access: yesActa Palaeontologica Polonica, 2016
We thank Anthony Fiorillo (2016) for the concerns he raised regarding our characterizations of the Liscomb bonebed fossils in our paper describing Ugrunaaluk kuukpikenis from the Prince Creek Formation of Alaska, USA (Mori et al. 2016). We did not
Hirotsugu Mori   +2 more
doaj   +1 more source

A Revised Phylogenetic Classification for Viola (Violaceae)

open access: yesPlants, 2022
The genus Viola (Violaceae) is among the 40–50 largest genera among angiosperms, yet its taxonomy has not been revised for nearly a century. In the most recent revision, by Wilhelm Becker in 1925, the then-known 400 species were distributed among 14 ...
Thomas Marcussen   +5 more
doaj   +1 more source

Fossil cells [PDF]

open access: yesCurrent Biology, 2020
Philip Donoghue introduces the fossil record of cells.
openaire   +2 more sources

High-energy synchrotron-radiation-based X-ray micro-tomography enables non-destructive and micro-scale palaeohistological assessment of macro-scale fossil dinosaur bones

open access: yesJournal of Synchrotron Radiation, 2023
Palaeohistological analysis has numerous applications in understanding the palaeobiology of extinct dinosaurs. Recent developments of synchrotron-radiation-based X-ray micro-tomography (SXMT) have allowed the non-destructive assessment of ...
Takuya Imai   +3 more
doaj   +1 more source

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