Taxonomic Composition of Gastropods from the Mandrikovka Beds of the Upper Eocene of Ukraine: Species List
- 作者: Amitrov O.1
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隶属关系:
- Borissiak Paleontological Institute, Russian Academy of Sciences
- 期: 卷 52, 编号 11 (2018)
- 页面: 1292-1333
- 栏目: Article
- URL: https://journals.rcsi.science/0031-0301/article/view/167935
- DOI: https://doi.org/10.1134/S0031030118110023
- ID: 167935
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详细
The results of long-term collecting and investigation by the author of the composition of Upper Eocene gastropods from the Mandrikovka Beds in the vicinity of Dnepr (former Dnepropetrovsk) are generalized in the form of table. The mollusk assemblage from these beds exceeds in richness and preservation all other Paleogene assemblages of the former USSR. Gastropod assemblages from two main localities of the Mandrikovka Beds, the village of Mandrikovka and Rybalsky granite quarry, are compared. The collection of the Rybalsky assemblage is divided by years to examine features of their distribution in enclosing deposits. The last assemblage is richer, with the considerable prevalence of small-sized species obtained by washing in sieves. This method of collecting is the main cause of a greater diversity of this assemblage. However, large species, which only occur in one locality, are also present. The extremely rich Paleogene fauna from these strata undoubtedly needs further revision. The table contains the data on the revision of particular groups, including that performed by the author; references to published figures; comparisons with the species names in the monograph of Klucznikov (1958). The text provides comparisons with the richest Eocene assemblages.
作者简介
O. Amitrov
Borissiak Paleontological Institute, Russian Academy of Sciences
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