Results 161 to 164 of about 3,539 (164)

Developmental biology of Spiralicellula and the Ediacaran origin of crown metazoans. [PDF]

Proc Biol Sci
Sun W, Yin Z, Liu P, Zhu M, Donoghue P.
europepmc   +1 more source

Organic and Inorganic Geochemical Investigation of the Silurian Shale of Qusaiba Formation, Tayma Area, Northwestern Saudi Arabia: Implications for Oxidation and Leaching of Organic Matter. [PDF]

ACS Omega
Lashin A, Hakimi MH, AlGhamdi F, Matthew Amao A, AlQuraishi A, Laboun A, Abdel Fattah K.   +6 more
europepmc   +1 more source

What the earliest evidence for life tells us about the early evolution of the biosphere. [PDF]

Philos Trans R Soc Lond B Biol Sci
Westall F.
europepmc   +1 more source

The great catastrophe: causes of the Permo-Triassic marine mass extinction. [PDF]

Natl Sci Rev
Wignall PB, Bond DPG.
europepmc   +1 more source