Results 61 to 70 of about 77,140 (256)
Acta Societatis Botanicorum Poloniae, 2020 The present article has two primary objectives. First, the article provides a historical overview of graphical tools used in the past centuries for summarizing the classification and phylogeny of plants.
János Podani
doaj +1 more source
Two new Miocene limpets (Fissurellidae) from southern California, with notes on other fossil occurrences of the family in northwestern North America [PDF]
, 2019 Two new fissurellid limpets (Mollusca: Gastropoda: Fissurellidae), Fissurella? stantoni n. sp. and Scelidotoma aldersoni n. sp., are described from Miocene deposits in southern California. Fissurella? stantoni is described from a single specimen from the
Geiger, Daniel L. +1 more
core
New ophthalmosaurid ichthyosaurs from the European lower cretaceous demonstrate extensive ichthyosaur survival across the Jurassic–Cretaceous boundary [PDF]
, 2012 Background Ichthyosauria is a diverse clade of marine amniotes that spanned most of the Mesozoic. Until recently, most authors interpreted the fossil record as showing that three major extinction events affected this group during its history: one ...
A Sirotti +91 more
core +6 more sources
Pararhabdodon Isonensis and Tsintaosaurus Spinorhinus: A New Clade of Lambeosaurine Hadrosaurids from Eurasia [PDF]
, 2009 We present new anatomical information showing that Koutalisaurus kohlerorum, from the Maastrichtian of Lleida Province, northeastern Spain, is most probably the junior synonym of Pararhabdodon isonensis from the same region.
Prieto-Marquez, Aalbert +1 more
core +1 more source
The Dinosaur Renaissance 1960s-80s: A Foundational Episode for the Historiography of Paleoart
HoST, 2023 The “Dinosaur Renaissance” is known as a crucial event in the study of dinosaurs. From sluggish and lizard-like, they came to be conceived and represented as more dynamic animals.
Monnin Victor
doaj +1 more source
Известия высших учебных заведений: Геология и разведка, 2019 The 350th anniversary of the publication of Nicholas Stenon's treatise «On the solid, naturally contained in the solid» is marked in 2019. This work proves possibility of interpretation of spatial relations of layers of rocks from the point of view of ...
L. V. Novgorodova +3 more
doaj +1 more source
Известия высших учебных заведений: Геология и разведка, 2015 The 250th anniversary of death of generous Russian scientist M.V. Lomonosov is celebrated in April 2015. His work «About the Earth’s layers» is the most important geological work of Lomonosov, which ideas were ahead of time and concerned different ...
V. N. Komarov
doaj +1 more source
Vertebrate Footprints and Invertebrate Traces from the Cadronian(Late Eocene) of Trans-Pecos Texas [PDF]
, 1994 Contents: Abstract -- Introduction -- Methods -- Acknowledgments -- Systematic Paleontology -- Vertebrate Footprints -- Invertebrate Traces -- Conclusions -- Plates -- ReferencesCeratomorph remains found in Eocene and Oligocene deposits of Trans-Pecos ...
Langston Jr, Wann +1 more
core
PALEONTOLOGY AND EVOLUTIONARY THEORY [PDF]
Evolution, 1974 In the introduction to the recently published collection Models in Paleobiology, Schopf (1972, p. 4) says, "We look with awe at the results which have followed the application of fundamental chemistry in a geochemical context, and the use of cartesian methodology in molecular biology.
openaire +3 more sources
Joseph Leidy between two paradigms of Paleontology
Boletim do Museu Paraense Emílio Goeldi. Ciências Humanas, 2012 With the acceptance of the methods and research program developed by Georges Cuvier for the study of fossils, Paleontology had its first Kuhnian paradigm installed.
Felipe Faria
doaj