Results 1 to 10 of about 69,912 (302)

Multiple origins of dorsal ecdysial sutures in trilobites and their relatives

eLife
Euarthropods are an extremely diverse phylum in the modern, and have been since their origination in the early Palaeozoic. They grow through moulting the exoskeleton (ecdysis) facilitated by breaking along lines of weakness (sutures).
Kun-sheng Du, Jin Guo, Sarah R Losso, Stephen Pates, Ming Li, Ai-lin Chen   +5 more
doaj   +1 more source

Stratigraphy and Palaeontology of Trilobites in Kuhbanan Formation in the Akbar-Abad Section (North of Kerman) [PDF]

Journal of Sciences, Islamic Republic of Iran, 2010
Cambrian sedimentary facies are exposed throughout north part of Kerman region. Trilobites’ faunas are the most common invertebrate fossils within the Cambrian strata. The section is made of 217 m of sandstone, shale, limestone and dolomite.
H. Ameri
doaj  

Seismogeological structure model of the Anabar-Olenek region

Georesursy
The velocity characteristics of the Upper Proterozoic-Phanerozoic sedimentary cover of the AnabarOlenek region were studied, in particular, the bimodal character of the distribution interval P-wave velocities was established.
I. A. Gubin, V. A. Kontorovich
doaj   +1 more source

The endemic radiodonts of the Cambrian Stage 4 Guanshan Biota of South China [PDF]

Acta Palaeontologica Polonica, 2021
Jiao, D.-G., Pates, S., Lerosey-Aubril, R., Ortega-Hernández, J., Yang, J., Lan, T., Zhang, X.-G.   +6 more
doaj  

Transformation processes of Hetian paleo-uplift in southwestern Tarim Basin and its geological significance

Shiyou shiyan dizhi
The southwestern Tarim Basin experienced a complex construction and transformation process during the Paleozoic era. The unclear understanding of the superimposed transformation processes of the paleo-uplifts has restricted its oil and gas exploration ...
Shilin LIU, Mingzhe DENG, Pengrui CAI, Rizhou CAO, Yushuang ZHOU, Xuguang SHA   +5 more
doaj   +1 more source

Deep-buried Lower Paleozoic oil and gas systems in eastern Siberian Platform: geological and geophysical characteristics, estimation of hydrocarbon resources

Записки Горного института
The study of deep-buried oil and gas systems is a promising trend in the preparation of hydrocarbon resources. The study of the factors determining oil and gas potential is extremely important.
Aleksei E. Kontorovich, Lev M. Burshtein, Igor A. Gubin, Tatyana M. Parfenova, Pavel I. Safronov   +4 more
doaj  

An Increase in Animal Diversity was Facilitated by Ecologically-Driven Brain Complexity Throughout the Cambrian. [PDF]

Bioessays
Chipman AD.
europepmc   +1 more source

Uniqueness and predictability in evolution and the history of mollusks. [PDF]

Proc Natl Acad Sci U S A
Vermeij GJ, Thomson TJ.
europepmc   +1 more source

Geochemical Characteristics of Meso-Neoproterozoic-Cambrian Potential Shale Source Rocks and Oil Source Correlation for Paleo-Reservoirs in the Cambrian Formations of the Zhongtiaoshan Area in Southern East of the Ordos Basin. [PDF]

ACS Omega
Liu H, Li C, Feng S, Ma G, Chen X, Huang X.   +5 more
europepmc   +1 more source

Earth system instability explains redox paradox during late Cambrian SPICE event. [PDF]

Sci Adv
Sheng K, Li ZH, Zhou JL, Lin YB, Xiong GL, Ren GY, Chen ZQ, Lenton TM, Shen SZ, Zhang F.   +9 more
europepmc   +1 more source