ON THE STRATIGRAPHIC POSITION OF THE FAMENNIAN AND TOURNAISIAN FOSSIL VERTEBRATE BEDS IN ANDREYEVKA, TULA REGION, CENTRAL RUSSIA

被引:28
作者
ALEKSEEV, AA
LEBEDEV, OA
BARSKOV, IS
BARSKOVA, MI
KONONOVA, LI
CHIZHOVA, VA
机构
[1] Palaeontology Department, Geology Faculty, Moscow State Lomonosov University, Moscow
[2] Palaeontological Institute, Russian Academy of Sciences, Moscow, 117647
[3] All-Russian Oil and Gas Scientific Research Institute, Moscow, 125422
关键词
D O I
10.1016/S0016-7878(08)80137-X
中图分类号
P5 [地质学];
学科分类号
0709 ; 081803 ;
摘要
The find of the earliest tetrapod Tulerpeton curtum Lebedev in the unique Andreyevka-2 vertebrate locality (close to Andreyevka village, Tula Region, Central Russia) made the establishment of the precise age of the fossiliferous deposits of this and the neighbouring sites most important. The dating was carried out with the help of the ostracod and conodont studies. In addition to this tetrapod, acanthodians, antiarch placoderms, porolepiforms, osteolepiforms, dipnoans, struniiforms and actinopterygians are found in the Andreyevka-2 locality. The ostracod complex here is of Khovanshchina age and points to a correlation with the Strunian (Fa 2d(?) of the Franco-Belgium basin). The greater part of the Malyovka Formation and the lower third of the Upa Formation belong to the Patrognathus variabilis zone and the conodonts from the ANE-3 and ANE-6 sites close to Andreyevka-2 are characteristic of it. The fish list includes chondrichthyans, acanthodians, osteolepiforms, rhizodontiforms and actinopterygians. The age of the fish assemblage in the ANE-4 (Andreyevka-1) site is based upon the ostracods of a single species, Glyptolichwinella cf. limbata Posner, that is characteristic of the zone R. latior-Ps. venulosa-Sh. microphtalma of both the Malyovka and Upa formations. The fish assemblage consists of diploselachiids, dipnoans, osteolepidids, rhizodontids and actinopterygians.
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页码:41 / 52
页数:12
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