Abstract
The taxonomy of the fossil species Garumnaster michaleti, G. (Duncaniaster) luppovi, and Basseaster rostratus from the Lower Paleocene of the Mangyshlak Peninsula has been emended. Based on a comparison of morphological characters and the results of statistical analysis, Duncaniaster luppovi is assigned to the genus Garumnaster. The genera Garumnaster and Basseaster are assigned to the family Garumnasteridae.
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ACKNOWLEDGMENTS
The author expresses deep gratitude to A.N. Solov’ev, who supported and developed my interest in paleontology and sea urchins, taught me the basics and provided material for my work. Special thanks to A.V. Markov for his help in interpreting the data at the final stages of the work and the initial stages of writing this article and S.V. Rozhnov for valuable comments on the previous versions of the paper. The author is grateful to the reviewers G.V. Mirantsev and A.N. Mironov for constructive advice and comments. I thank S.V. Bagirov for photographs of the samples; to the staff of the Institute of Oceanology (IO RAS) A.N. Mironov and K.V. Minin for providing information on the morphology of modern urechinids; employee of the Department of Biological Evolution of the Faculty of Biology of Moscow State University S.N. Lysenkov for advice on statistical analysis.
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Tkacheva, G.S. Morphology, Classification and Lineage of the Genera Garumnaster Lambert, 1907 and Basseaster Lambert, 1936 (Echinoidea: Holasteroida, Urechinina) from the Cretaceous–Paleogene Deposits of the Mangyshlak Peninsula. Paleontol. J. 55, 1084–1099 (2021). https://doi.org/10.1134/S0031030121100099
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DOI: https://doi.org/10.1134/S0031030121100099