Abstract
New finds of fishes in the lower uppermost Famennian (Upper Devonian) of Сentral Russia and habitats of the Khovanshchinian vertebrate assemblages
Highlights
For a long time, the Andreyevka-2 locality in the Tula Region (Central Russia) was the only source of information on vertebrates from the lower uppermost Famennian Khovanshchinian Regional Stage (RS)
The Khovanshchinian basin within the Moscow Syneclise was populated by foraminifers, ostracods, gastropod and bivalve molluscs, brachiopods, ‘serpulid worms’, charophytes, conodonts, as well as various fishes and early tetrapods; it is characterized by numerous stromatolitic structures (Reutlinger 1960; Rodionova et al 1995) (Fig. 2)
New arthrodire remains are the first record of these fishes in the Khovanshchinian basin of Central Russia, as well as in the uppermost Famennian of the East European Platform in general
Summary
The Andreyevka-2 locality in the Tula Region (Central Russia) was the only source of information on vertebrates from the lower uppermost Famennian Khovanshchinian Regional Stage (RS). Grishin had found the bone in the Voskresenskoye quarry in the Lipetsk Region (Central Russia) (Fig. 1). A. Aristov (GIN RAS) identified conodonts from the matrix around the specimen. Aristov (GIN RAS) identified conodonts from the matrix around the specimen Those turned out to be characteristic of the Famennian Ozerkian–Khovanshchinian interval of Central Russia. As the matrix block which yielded fossils was similar in its lithological features to the Khovanshchinian part of the section and disposed only slightly below apparently Malevkian strata in this quarry, the age of the specimens described in this paper is regarded to be Khovanshchinian rather than Ozerkian. No arthrodires had been known from the Khovanshchinian vertebrate localities of Central Russia before
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