Results 51 to 60 of about 231,770 (260)
Shark and ray teeth from the Hauterivian (Lower Cretaceous) of north-east England [PDF]
, 1999 Sampling of hiatal horizons within the Hauterivian part of the Speeton Clay Formation of north-east England has produced teeth of several species of sharks and rays, four of which are previously unnamed.
Mitchell, S.F. +2 more
core +1 more source
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
core +1 more source
Tip dating supports novel resolutions of controversial relationships among early mammals [PDF]
, 2020 The estimation of the timing of major divergences in early mammal evolution is challenging due to conflicting interpretations of key fossil taxa. One contentious group is Haramiyida, the earliest members of which are from the Late Triassic.
Beck, RMD, King, B
core +2 more sources
Rifts, orogens, cratons, and global tectonics: Introduction
Геодинамика и тектонофизика, 2017 A key role in developing the Earth theory is played by comparative studies of orogens, rifts, and platforms in the equatorial, middle and high latitudes of Asia and the adjacent Arctic regions.
S. V. Rasskazov
doaj +1 more source
IV.—Cretaceous Gasteropoda [PDF]
Geological Magazine, 1876 In September, 1875, Decade II. Vol. II. p. 394, of this Magazine, I was enabled, after having previously described them in detail, to group all the known British Cretaccous Aporrhaidæ together into four genera; and in March, 1876, I added a fifth genus.
openaire +2 more sources
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
core +2 more sources
Nikolay Ivanovitch Karakash - an outstanding scientist-naturalist
Известия высших учебных заведений: Геология и разведка, 2015 The 2016 year is a year of the 100th anniversary of the death of the outstanding Russian geologist and paleontologist, one of the first investigators of Cretaceous deposits of Crimea and Caucasus, Nikolay Ivanovitch Karakash.
V. N. Komarov
doaj +1 more source
Upper Cretaceous Mollusca from Southern California [PDF]
, 1937 One new genus and thirteen new species of Mollusca are described from the Upper Cretaceous fauna of the Santa Ana Mountains, southern California. New generic assignments based upon discovery and study of previously unobserved structural features are ...
Popenoe, Willis Parkison
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Faunal change in Cretaceous endemic shallow-marine bivalve genera/subgenera of the northeast Pacific [PDF]
, 2020 Endemic shallow-marine Cretaceous bivalves in the northeast Pacific region (NEP), extending from southwestern Alaska to the northern part of Baja California Sur, Mexico, are tabulated and discussed in detail for the first time.
Squires, Richard L.
core