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Middle Jurassic (Bajocian) ammonites from eastern Oregon [PDF]
Professional Paper, 1973 openaire +1 more source
The osteology, taxonomy, and phylogenetic affinities of the Early Jurassic plesiosaur <i>Lusonectes sauvagei</i>. [PDF]
PeerJSachs S, Madzia D.
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Quantitative characterization and optimization of fracability in continental shale reservoirs. [PDF]
Sci RepCheng L, Gao H, Li H.
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Middle Jurassic Biostratigraphyof Argentina
Geobios, 1994Abstract The Middle Jurassic of west-central Argentina comprises several stratigraphic sequences characterized on thebasis of ammonoids, bivalves, brachiopods, foraminifers and ostracods. Aalenian and Bajocian ammonoids belong in the Bredyia manflasensis, “Zurcheria” groeberi Puchenquia malarguensis, Pseudotoites singularis, Emileia giebeli ...
Alberto C. Riccardi +3 more
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About the Middle Asia Jurassic flora
Journal of Palaeosciences, 1976The Jurassic flora of Middle Asia is widely spread. In this region the deposits of the Lower part of Lower Jurassic, Upper part of Lower Jurassic, Aalenian-Bajocian and Bajocian-Bathonian containing fossil plants are known. In these Jurassic deposits the higher plants are represented by lycopods, horsetails, ferns and gymnosperms.
N.P. Gomolitzky, R.Kh. Khudaiberdyev
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Middle Jurassic turtles from southern Thailand
Geological Magazine, 2002A new genus and species of primitive cryptodiran turtle, Siamochelys peninsularis n. g. n. sp., from the Middle Jurassic Mab Ching locality, in the southern peninsula of Thailand, is described on the basis of complete shells. They are characterized by a combination of primitive features (the presence of a pair of mesoplastra meeting on the midline ...
HAIYAN TONG +2 more
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A Middle Jurassic mammal from Madagascar
Nature, 1999The lower molars of tribosphenic mammals (marsupials, placentals and their extinct allies) are marked, primitively, by a basined heel (talonid) acting as the mortar to the pestle of a large inner cusp (protocone) on the opposing upper teeth. Here we report the earliest tribosphenic mammal found so far, three lower teeth in a jaw fragment from Middle ...
John J. Flynn +4 more
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Ecological patterns in middle Jurassic
2005Gryphaea is a typical oyster, sensitive and reactive to the environment and thus variable in aspects of form, such as the size of the attachment area. Nevertheless, there are regular relationships between form and specific properties of the environment, at both the intra- and inter-specific levels and for various stratigraphic horizons throughout the ...
Ulf Bayer +2 more
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Middle Jurassic inoceramids from Argentina
Journal of Paleontology, 1990Extensive collections from stratigraphically controlled sections allow reassessment and systematic revision of Middle Jurassic inoceramids from Argentina. Two species are doubtfully referred toParainoceramusVoronetz, includingP.?westermannin. sp. Five species ofRetroceramusKoshelkina, includingR.cf.R. marwicki(Speden),R.
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