A reappraisal of the Italian record of the Cretaceous pachycormid fish Protosphyraena Leidy, 1857 [PDF]
, 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
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Investigating bio-events and time expansion of Calcareous nannofossils in the upper part of the Gurpi Formation and lower part of the Pabdeh Formation, northwestern Shiraz [PDF]
Journal of Stratigraphy and Sedimentology Researches, 2020 In this study, calcareous nannofossils are investigated in the upper part of the Gurpi Formation and lower part of the Pabdeh Formation at the Par-e Nobar section located in the northwest of Shiraz. The thickness of the studied section is about 41 m. The
Saeedeh Senemari, Behzad Saeedi razavi
doaj +1 more source
Digit-only sauropod pes trackways from China - evidence of swimming or a preservational phenomenon? [PDF]
, 2016 For more than 70 years unusual sauropod trackways have played a pivotal role in debates about the swimming ability of sauropods. Most claims that sauropods could swim have been based on manus-only or manus-dominated trackways.
C Gierliński +49 more
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A taxonomic and phylogenetic review of the anhanguerid pterosaur group Coloborhynchinae and the new clade Tropeognathinae [PDF]
Acta Palaeontologica Polonica, 2020 Anhanguerids are a particular group of pterodactyloid pterosaurs, characterized mainly by their rostral sagittal crests, well laterally expanded jaw tips and enlarged anterior teeth.
Borja Holgado, Rodrigo V. Pêgas
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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
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Molecular and fossil evidence place the origin of cichlid fishes long after Gondwanan rifting. [PDF]
, 2013 Cichlid fishes are a key model system in the study of adaptive radiation, speciation and evolutionary developmental biology. More than 1600 cichlid species inhabit freshwater and marginal marine environments across several southern landmasses.
Alex Dornburg +9 more
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Výskyt spodnokriedových magmatických hornín medzi Podbrančom a Myjavou [PDF]
Geologické práce. Správy, 2020 Occurrences of magmatic rocks were identifid north of the settlement Belanskovci (part of Myjava town), on the ridge of the elevation point 464 m a. s. l. east of the settlement Podzámok (part of the Podbranč village).
Tamás Csibri +2 more
doaj
Evidence of Quaternary tectonics along Río Grande valley, southern Malargüe fold and thrust belt, Mendoza, Argentina [PDF]
, 2019 The Malargüe fold and thrust belt is developed in the Argentinian Andes between 34° and 37° S, through the tectonic inversion of Upper Triassic and Lower Jurassic depocenters of the Neuquén Basin, with an uplift history since the Cretaceous.
Colavitto, Bruno +4 more
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Textural and Lithologic Differences of Cretaceous, Tertiary, and Quaternary Gravels of South Arkansas [PDF]
, 1987 Stream gravels have been derived from the Ouachita Mountains since at least Cretaceous times. Past studies have assigned ages to gravel deposits in the basins of the Saline and Little Missouri Rivers on the basis of altitude above local floodplains. This
Wood, Lesli
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Cenozoic evolution of the eastern Black Sea: a test of depth-dependent stretching models [PDF]
, 2008 Subsidence analysis of the eastern Black Sea basin suggests that the stratigraphy of this deep, extensional basin can be explained by a predominantly pure-shear stretching history.
Edwards, Glyn R.H. +6 more
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