Zobrazeno 1 - 4
of 4
pro vyhledávání: '"O. P. Shilovsky"'
Publikováno v:
Powder Diffraction. 34:S14-S17
This paper is devoted to the X-ray diffraction study of bone fragments of Permian parareptile Deltavjatia vjatkensis obtained from the Kotelnich vertebrate fossil site, one of the richest of the Permian period, which is characterized by the excellent
Publikováno v:
PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference.
A crystal of authigenic calcite filling the pores of Deltavjatia vjatkensis pareiasaur bone (Kotelnich pareiasaur site, Vyatka River, Russia) was investigated by LA-ICP-MS. Laser and mass-spectrometer operational parameters for trace element analysis
Publikováno v:
Paleontological Journal. 48:1331-1414
A diverse assemblage of Kazanian nautiloids and ammonoids from two localities in the Kirov Region and the Mari El Republic is studied and described for the first time. The biostratigraphic potential of the cephalopod assemblage, and its ecological an
Autor:
T. B. Leonova, O. P. Shilovsky
Publikováno v:
Paleontological Journal. 41:28-38
The evolution of the Permian ammonoid family Spirolegoceratidae is discussed and a new phylogenetic reconstruction is proposed based on new data. Two subfamilies are recognized within the family Spirolegoceratidae: Spirolegoceratinae Nassichuk and Sv