一种来自瓜达鲁阶晚期（二叠纪中期）的异常双顶端毛囊（Albailellaria），可能是放射虫双重畸形的最古老证据

IF 4.1 3区地球科学 Q1 PALEONTOLOGY

Journal of Micropalaeontology Pub Date : 2017-03-30 DOI:10.1144/jmpaleo2016-016

Tsuyoshi Ito, Y. Kitagawa, A. Matsuoka

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引用次数: 4

摘要

在日本中部Mino地体Kamiaso单元的Guadalupian（中二叠纪）上部燧石块体中发现了一个异常的双峰Follicucullus标本（Albailellaria，Radiolaria）。如果这个标本是在双重畸形的情况下形成的，它将是放射虫中最古老的这种现象记录，也是Albailellaria中第一个此类记录。

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An aberrant bi-apical Follicucullus (Albaillellaria) from the late Guadalupian (Middle Permian), with the possible oldest evidence of double malformation in radiolarians

An aberrant bi-apical Follicucullus specimen (Albaillellaria, Radiolaria) has been discovered from an upper Guadalupian (Middle Permian) chert block of the Kamiaso Unit of the Mino terrane, central Japan. If this specimen was formed with double malformation, it would be the oldest record of this phenomenon in radiolarians and the first record of its kind in Albaillellaria.

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来源期刊

Journal of Micropalaeontology 生物-古生物学

CiteScore

4.30

自引率

5.00%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Micropalaeontology (JM) is an established international journal covering all aspects of microfossils and their application to both applied studies and basic research. In particular we welcome submissions relating to microfossils and their application to palaeoceanography, palaeoclimatology, palaeobiology, evolution, taxonomy, environmental change and molecular phylogeny.