Results 11 to 20 of about 22,860 (301)
Abstract In birds, the neural canal houses a variety of anatomical structures including the spinal cord, meninges, spinal vasculature, and respiratory diverticula. Among these, paramedullary diverticula and the extradural dorsal spinal vein may leave behind osteological correlates in the form of pneumatic foramina and fossae, and a bilobed geometry of ...
Atterholt, Jessie +5 more
openalex +3 more sources
The Osmium Isotope Signature of Phanerozoic Large Igneous Provinces
Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Alexander J. Dickson +2 more
wiley +6 more sources
Introduction Granitoids are the main rock units in the continental crust. Study of granitoids reveals significant information on tectonic mantle and upper crust.
Ramin Samadi +2 more
doaj +1 more source
Diversity of chondrostean fish Coccolepis from the Late Jurassic Solnhofen Archipelago, Southern Germany [PDF]
Late Jurassic marine vertebrates are extraordinarily well preserved in several Plattenkalk Lagerstätten in central Europe. Among them, the Solnhofen Archipelago has yielded the very rare fish Coccolepis bucklandi, which was the first fossil ...
ADRIANA LÓPEZ-ARBARELLO, MARTIN EBERT
doaj +1 more source
Three dimensional calcitic casts of a two-seeded compound cone are described from the Upper Jurassic Brushy Basin Member of the Morrison Formation based on specimens from Colorado and Utah. Cones of Bassitheca hoodiorum gen. et sp. nov.
Steven R. Manchester +4 more
doaj +1 more source
Evolution and identity of synapsid carpal bones [PDF]
To date there is little information on carpal bone homology in late Palaeozoic and Mesozoic Synapsida. Crucial to the understanding of homology in synapsid carpal elements is the fact that different nomenclatures are used for the carpals of non ...
Susanna Kümmell +3 more
doaj +1 more source
Origen i reconstrucció paleoambiental dels jaciments d'icnites de Titanosaure de Fumanya
Els jaciments de Fumanya (Berguedà) han estat tristament notícia degut a l’esllavissada del passat 10 de maig de 2016, que ha suposat una gran pèrdua patrimonial, científica i turística.
Josep Marmi
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An early Eocene pan-gekkotan from France could represent an extra squamate group that survived the K/Pg extinction [PDF]
In this paper we describe a new lizard from the early Eocene of the Cos locality in the Quercy region (near the Caylus village, Southwest France). The age of the Cos deposit has been proposed as the MP 10–11 interval, close to the transition of the ...
ANDREJ ČERŇANSKÝ +4 more
doaj +1 more source
The eastern Junggar has experienced multistage intra-continental deformations since the late Paleozoic. The checkerboard structure is one of the most notable features of the Junggar Basin, especially the eastern Junggar Basin, and its formation and ...
REN Xincheng +5 more
doaj +1 more source
Research on Polish Mesozoic macroflora has remarkably changed over the last 100 years. Compared with traditional nineteenth-century taxonomical and evolutionary studies, modern research also investigates of fossil plant diversity, plant interactions with
Maria Barbacka +2 more
doaj +1 more source

