Results 71 to 80 of about 249 (124)

Leaf venation network evolution across clades and scales [PDF]

open access: yes
Leaf venation architecture varies greatly among living and fossil plants. However, we still have a limited understanding of when, why and in which clades new architectures arose and how they impacted leaf functioning.
Antonio, Monica   +32 more
core   +2 more sources

Dinosaur micro-remains from the Middle Jurassic of Britain [PDF]

open access: yes
In the Middle Jurassic, Great Britain was situated at ~30° north in an area of shallow seas with surrounding low-lying landmasses. Fluctuations in relative sea level resulted in emergent areas preserving snapshots of the terrestrial fauna in ...
Wills, Simon
core   +1 more source

A new mammal from the Lower Cretaceous Jehol Biota and implications for eutherian evolution. [PDF]

open access: yesPhilos Trans R Soc Lond B Biol Sci, 2022
Wang HB, Hoffmann S, Wang DC, Wang YQ.
europepmc   +1 more source

A diverse Paleoproterozoic microbial ecosystem implies early eukaryogenesis [PDF]

open access: yes
peer reviewedMicrobial interactions may lead to major events in life and planetary evolution, such as eukaryogenesis, the birth of complex nucleated cells.
Javaux, Emmanuelle
core   +1 more source

Comparative microstructural study on the teeth of Mesozoic birds and non-avian dinosaurs. [PDF]

open access: yesR Soc Open Sci, 2023
Wang Y   +11 more
europepmc   +1 more source

Scientific and Artistic Representations in avian evolution [PDF]

open access: yes
This essay explores the relationship between artistic and scientific perspectives in the depiction of birds' formal organization. It highlights how both fields converge in fundamental questions that shape the identity of avian organisms.
Buscalioni, Angela D.
core   +2 more sources

Synthetic analysis of trophic diversity and evolution in Enantiornithes with new insights from Bohaiornithidae [PDF]

open access: yes
Enantiornithines were the dominant birds of the Mesozoic, but understanding of their diet is still tenuous. We introduce new data on the enantiornithine family Bohaiornithidae, famous for their large size and powerfully built teeth and claws.
Bright, Jen A.   +4 more
core   +1 more source

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