Results 81 to 90 of about 77,140 (256)

Osteology and relationships of Rhinopycnodus gabriellae gen. et sp. nov. (Pycnodontiformes) from the marine Late Cretaceous of Lebanon [PDF]

open access: yes, 2013
The osteology of Rhinopycnodus gabriellae gen. and sp. nov., a pycnodontiform fish from the marine Cenomanian (Late Cretaceous) of Lebanon, is studied in detail.
Capasso, Luigi, Taverne, Louis
core   +3 more sources

Mitochondrial phylogenomics supports a Carboniferous origin of Xenonomia

open access: yesThe European Zoological Journal
Polyneoptera includes some of the best-known insect species, such as grasshoppers and cockroaches. While the evolutionary history of many Polyneoptera orders has been thoroughly explored, others have been partially overlooked.
N. Righetti, G. Forni, A. Luchetti
doaj   +1 more source

A Titanothere from the Type Sespe of California [PDF]

open access: yes, 1938
In previous papers [1], published mostly in these PROCEEDINGS, have appeared some of the paleontological results of explorations conducted in the Sespe deposits of Southern California.
Stock, Chester
core  

Epiplastral and geographic variation in Echmatemys, a geoemydid turtle from the Eocene of North America: A multi-tiered analysis of epiplastral shape complexity [PDF]

open access: yes, 2020
Numerous geoemydid turtle fossils from the extinct genus Echmatemys have been recovered from the middle Eocene Uinta Formation, Uinta Basin, Utah over the past several decades.
Adrian, Brent   +4 more
core  

Paleontology in the 21st Century

open access: yesBiology, 2023
For much of its 300+ year history, “modern” paleontology has been a descriptive science, firmly housed within geological sciences [...]
openaire   +3 more sources

A reappraisal of the Italian record of the Cretaceous pachycormid fish Protosphyraena Leidy, 1857 [PDF]

open access: yes, 2017
The genus Protosphyraena is known mainly from partial remains, consisting of isolated blade-like teeth, conical rostra and scythe-like pectoral fins. This paper provides a new insight into partial specimens of the genus Protosphyraena from the Cretaceous
Amalfitano, Jacopo   +3 more
core   +3 more sources

Geological workshop for primary schools

open access: yesGeologija, 2010
Systematical teaching of geology is (yet) not established in primary and secondary school in Slovenia. In primaryschool, geological topics are divided among numerous subjects and levels therefore they receive more attention onlyif alternative courses or ...
Nina Rman
doaj  

Separating sexual dimorphism from other morphological variation in a specimen complex of fossil marine reptiles (Reptilia, Ichthyosauriformes, Chaohusaurus). [PDF]

open access: yes, 2018
The Early Triassic Chaohu Fauna from Anhui Province, China, contains the oldest record of Mesozoic marine reptiles, such as Cartorhynchus and Sclerocormus.
Hu, Yuan-Chao   +7 more
core   +2 more sources

Proteins from the past

open access: yeseLife, 2016
Some fragments of ancient protein are less prone to degradation because they bind strongly to the surfaces of minerals.
Adam F Wallace, James D Schiffbauer
doaj   +1 more source

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