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New Records of Ordovician Ostracodes from Two Genera of the Family Egorovellidae Schallreuter

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Abstract

Based on published data and material from several Ordovician sections of the Siberian Platform and northeastern Russia housed in the Paleontological Institute of the Russian Academy of Sciences, the ostracode family Egorovellidae Schallreuter, 1966 is revised. The family is of great importance for biostratigraphic correlation. The diagnosis of the genus Bodenia V. Ivanova, 1959 is clarified and two new species, B. signata sp. nov. and B. densistriata sp. nov. are described. Two species previously included in Bodenia are removed from the genus and assigned to the family Richinidae: B. aechminiformis is designated as the type species of the new genus Bodeniella gen. nov. and B. anonyma is assigned to the Siberian genus Angarallina Melnikova, 2020. Two new species of the genus Egorovella, E. porilamellata sp. nov., and E. insperata sp. nov., are also described.

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Funding

This work was supported by the Russian Foundation for Basic Research, project no. 19-04-01027, the Program of Fundamental Research of the Presidium of the Russian Academy of Sciences “Evolution of the organic world. The role and influence of planetary processes” and the Ministry of Higher Education and Science of the Russian Federation.

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Correspondence to L. M. Melnikova.

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Translated by S. Nikolaeva

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Melnikova, L.M. New Records of Ordovician Ostracodes from Two Genera of the Family Egorovellidae Schallreuter. Paleontol. J. 54, 594–599 (2020). https://doi.org/10.1134/S0031030120060052

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  • DOI: https://doi.org/10.1134/S0031030120060052

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