克里米亚的下盖诺曼尼亚(上白垩纪)的放射虫。第1部分。Spumellaria

IF 0.7 Q4 PALEONTOLOGY REVUE DE MICROPALEONTOLOGIE Pub Date : 2020-07-01 DOI:10.1016/j.revmic.2020.100425

Liubov Bragina, Nikita Bragin

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引用次数: 3

摘要

保存完好的晚白垩世(早Cenomanian)放射虫在克里米亚的两个部分:Bodrak河和Sel -Bukhra山部分被发现。认识和研究了丰富多样的刺虫目代表植物。放射虫新种四种:白蝇(Becus naidini 11 . sp)、牛头蝇(b.t uricus 11 . sp)、前经济虫(preeconcaryomma ?bodrakensis 11 . sp.和Savaryella?11月11日被描述。此外，还明确了Archaeospongoprunum sphaericum Bragina、Crucella lata (Lipman)、Patellula cognata O 'Dogherty、P. verteroensis (Pessagno)、Spongodiscus quasipersenex Bragina的地层范围(下限扩展至下Cenomanian)。“Cenodiscus”alievi Pessagno的地层范围上限扩展到下Cenomanian。结果表明，在特提斯地区首次报道了两个稀有分类群“Cenodiscus”alievi Pessagno(加利福尼亚海岸山脉)和Spongodiscus quasipersenex Bragina(西萨哈林山脉)。

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Radiolaria from the lower Cenomanian (Upper Cretaceous) of Crimea. Part 1. Spumellaria

Well-preserved Late Cretaceous (early Cenomanian) radiolarians were recovered from two sections in Crimea: Bodrak River and Sel’-Bukhra Mountain sections. Abundant and diverse representatives of order Spumellaria were recognized and studied. Four new radiolarian species: Becus naidini nov. sp., B. tauricus nov. sp., Praeconocaryomma? bodrakensis nov. sp., and Savaryella? nikishini nov. sp. were described. Moreover, stratigraphical ranges of species Archaeospongoprunum sphaericum Bragina, Crucella lata (Lipman), Patellula cognata O’Dogherty, P. verteroensis (Pessagno), Spongodiscus quasipersenex Bragina were exactly defined (their lower limits are expanded to the lower Cenomanian). The upper limit of stratigraphic range of "Cenodiscus" alievi Pessagno is expanded to the lower Cenomanian. Our results suggest that two rare taxa "Cenodiscus" alievi Pessagno (California Coast Ranges) and Spongodiscus quasipersenex Bragina (West Sakhalin Mountains) are reported for the first time in the Tethyan regions.

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来源期刊

REVUE DE MICROPALEONTOLOGIE PALEONTOLOGY-

CiteScore

2.50

自引率

0.00%

发文量

期刊介绍： La Revue de micropaléontologie publie 4 fois par an des articles de intérêt international, consacrés à tous les aspects de la micropaléontologie. Les textes, en anglais ou en français, sont des articles originaux, des résultats de recherche, des synthèses et mises au point, des comptes rendus de réunions scientifiques et des analyses de ouvrages. La revue se veut résolument ouverte à tous les aspects de la micropaléontologie en accueillant des travaux traitant de la systématique des microfossiles (et de leurs équivalents actuels), des bactéries aux microrestes de vertébrés, et de toutes leurs applications en sciences biologiques et géologiques.