Results 151 to 160 of about 85,756 (294)
Evolution of Insect Pollination Before Angiosperms and Lessons for Modern Ecosystems. [PDF]
Negri I, Toledo ME.
europepmc +1 more source
Tectonic-astronomical interactions in shaping late Paleozoic climate and organic carbon burial. [PDF]
Wei R +7 more
europepmc +1 more source
A compilation of information and data on the Manson impact structure [PDF]
A problem for the impact hypothesis for the Cretaceous-Tertiary (K-T) mass extinction is the apparent absence of an identifiable impact site. The Manson Impact Structure is a candidate because it is the largest recognized in the U.S.; it is relatively ...
Anderson, Raymond R., Hartung, Jack B.
core +1 more source
Earliest evolution of stipules among vascular plants documented in the late Paleozoic stem group of Marattiales. [PDF]
Zhou W +7 more
europepmc +1 more source
Intraplate deformation of Gondwana terranes and implications for the Wilson Cycle. [PDF]
Fonseca A, De Grave J.
europepmc +1 more source
A unique Sphenophyllum-mimicking insect in the Permian. [PDF]
Fu Y +7 more
europepmc +1 more source

