俄罗斯萨拉托夫州别洛埃奥泽罗附近上白垩纪（CAMPANIAN）RYBUSHKA组的海洋鱼类（软骨鱼类、全头目、放线鱼类）

IF 1.6 3区地球科学 Q2 GEOLOGY

Rivista Italiana Di Paleontologia E Stratigrafia Pub Date : 2022-03-31 DOI:10.54103/2039-4942/16954

Jun A. Ebersole, S. V. Solonin, D. Cicimurri, M. Arkhangelsky, N.V. Martynovich

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引用次数: 3

摘要

俄罗斯萨拉托夫州萨拉托夫市附近暴露的Rybushka组的Campanian上部存在多种鱼类古动物群。已经鉴定了20个分类群，包括两个全头类（Ischyodus biculus和Amylodon karamysh），12个蓝鳃类（Synechodus sp.，Cederstroemia sp.，Cretalamna cf.C.borealis，C.cf.C.saroportheta，Archeolamna kopingensis，Eostaramia segedini，E.venusta，Pseudocorax laevis，Squalicorax kaupi，Squalicoratx morphotype 1，Squalidae indet和Squatirina sp.），和六种硬骨鱼（Pachyrhizodus sp.、Saurocephalus lanciformis、Paralbula casei、Enchodus cf.E.dirus、E.cf.E.gladiolus和E.petrosus）。这些分类群中的许多是俄罗斯坎帕尼亚鱼类记录中的新分类群，该组合表明Rybushka组古动物群与北美的古动物群之间存在显著的分类学重叠。

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MARINE FISHES (CHONDRICHTHYES, HOLOCEPHALI, ACTINOPTERYGII) FROM THE UPPER CRETACEOUS (CAMPANIAN) RYBUSHKA FORMATION NEAR BELOE OZERO, SARATOV OBLAST, RUSSIA

A diverse fish paleofauna occurs in the upper Campanian portion of the Rybushka Formation exposed near Saratov city in the Saratov Oblast, Russia. Twenty taxa have been identified, including two holocephalans (Ischyodus bifurcatus and Amylodon karamysh), twelve elasmobranchs (Synechodus sp., Cederstroemia sp., Cretalamna cf. C. borealis, C. cf. C. sarcoportheta, Archaeolamna kopingensis, Eostriatolamia segedini, E. venusta, Pseudocorax laevis, Squalicorax kaupi, Squalicorax morphotype 1, Squalidae indet., and Squatirhina sp.), and six teleosts (Pachyrhizodus sp., Saurocephalus lanciformis, Paralbula casei, Enchodus cf. E. dirus, E. cf. E. gladiolus, and E. petrosus). Many of these taxa are new to the Campanian fish record of Russia, and the assemblage demonstrates that there is significant taxonomic overlap between the Rybushka Formation paleofauna and that of North America.

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来源期刊

Rivista Italiana Di Paleontologia E Stratigrafia 地学-地质学

CiteScore

3.60

自引率

4.30%

发文量

审稿时长

>12 weeks

期刊介绍： The Rivista Italiana di Paleontologia e Stratigrafia was founded in 1895. It publishes original papers dealing with all fields of paleontology and of stratigraphy, from Italy and the Mediterranean to the Tethys, as well across the globe from China to North America.