Evgeny V. Popov

Dental Morphology of Prickly and Bramble Sharks (Echinorhinidae)

Nicolas Straube, Tamara Friedenberger, Sivanpillai Sureshkumar, Iris Feichtinger et autres

Echinorhiniformes and Echinorhinidae are a distinct order and family of sharks comprising two species showing several outstanding morphological characteristics, such as their tooth morphologies. Their teeth display unique shapes among sharks with main and secondary cusps which also allow tracking the fossil …

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First Record of Chimaeroid Fish (Holocephali: ’Edaphodontidae’) from the Lower Cretaceous of the Middle Volga Region

Evgeny V. Popov, Yulia V. Zenina

The record of a mandibular tooth plate of the chimaeroid fish Ischyodus sp. from the Lower Cretaceous deposits of the north of the Saratov Volga River Right Bank is described. The presumed age of the find is the Lower Aptian. This is …

The first record of the pachycormid fish Bonnerichthys in Eurasia marks a global distribution of Late Cretaceous suspension-feeding giants

Alina Kanarkina, N. G. Zverkov, Evgeny V. Popov

The giant Late Cretaceous suspension-feeding pachycormid Bonnerichthys has puzzled researchers since it was named, as its geographic distribution is confined to the USA, which contrasts with other widespread Jurassic and Cretaceous pachycormid genera. Here we describe fin fragments of Bonnerichthys from the …

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Associated Petroleum Gas Combustion for in Situ Hydrogen Generation: Experimental and Numerical Study

Tatiana Alekhina, Aysylu Askarova, Aliya Mukhametdinova, Evgeny V. Popov et autres

ABSTRACT Hydrogen production from hydrocarbon reservoirs has become a topic of growing interest in recent years. Both experimental and numerical studies have demonstrated the significant potential of this approach to produce reasonable amount of hydrogen. This research focuses on evaluating the feasibility …

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Sustainable hydrocarbon recovery from immature organic-rich shales: Large-scale thermal experiment and field application

Elena Mukhina, А. В. Смирнов, Evgeniya Leushina, Evgeny V. Popov et autres

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Legislative activity of the government in the field of resettlement policy in the 80s–90s of the XIX century

Evgeny V. Popov

The article presents the main legislative initiatives of the 80–90s of the XIX century, identifies controversial issues, and describes the management system of the resettlement business. The directions of de velopment of resettlement policy at the level of government bodies are indicated, …

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Influence of catalyst variation on underground hydrogen generation in gas reservoirs: Impact on hydrogen yield and alteration of catalyst structure and rock properties

Tatiana Alekhina, Aliya Mukhametdinova, Alina Khayrullina, Pavel A. Afanasev et autres

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In Situ Combustion in High Water Saturation Natural Gas Reservoirs

Elena Mukhina, Aysylu Askarova, Alia Mukhametdinova, Evgeny V. Popov et autres

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In situ hydrogen generation in subsurface reservoirs of fossil fuels by thermal methods: Reaction mechanisms, kinetics, and catalysis

Chengdong Yuan, Pavel A. Afanasev, Aysylu Askarova, Evgeny V. Popov et autres

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Polar Records of Chimaeroid Fishes (Holocephali, Chimaeroidei) from the Upper Cretaceous of Eastern Siberia

Evgeny V. Popov, Mikhail Rogov

Abstract We describe the discovery of five fragments of chimaeroid tooth plates from the Lower Coniacian deposits (Volviceramus subinvolutus Zone) of the Yangoda River, Krasnoyarsk Krai (Eastern Siberia). The material is identified as the ‘edaphodontid’ Edaphodon sp. and the long-nosed chimaera Harriotta …

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On a record of cow shark’ tooth (Neoselachii, Hexanchidae) from the Upper Cretaceous of Saratov Volga region

Evgeny V. Popov, Vladimir A. Lopyrev, Vladimir B. Seltser

The discovery of a tooth of the cow shark Hexanchus microdon (Ag., 1835) from carbonate deposits of the Karsun Formation in the ‘Krasny Oktyabr’ quarry (Volsk, Saratov Volga River Right Bank) is described. Based on the associated foraminifera complex, the stratigraphic position …

A New Genus of Kitefin Sharks (Squaliformes, Dalatiidae) from the Berezovaya Strata (Lower Paleocene) of the Lower Volga Region

Evgeny V. Popov, Vladimir A. Lopyrev, A. A. Yarkov

Abstract A new genus and species of kitefin sharks (Squaliformes: Dalatiidae), Danodalatias ochevi gen. et sp. nov., is described based on isolated teeth from the lower part of the Berezovaya Strata (Lower Paleocene, Danian Stage) in the vicinity of the farmstead of …

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