Mecaster texanus (Echinoidea) from Turonian-Coniacian strata in the Sergipe-Alagoas Basin, Brazil

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2017-12-24 DOI:10.4267/2042/64287

C. L. C. Manso, W. Souza-Lima

引用次数: 3

Abstract

The spatangoid echinoid Mecaster texanus (Roemer) was first described from the Austin Chalk in Texas (USA). In northeast Brazil, this species was recorded from the Upper Cretaceous (Turonian-Coniacian) Jandaira Formation in the Potiguar Basin. Here we extend the palaeogeographical distribution of M. texanus southwards to the Sergipe-Alagoas Basin, where this species occurs in the Turonian-Coniacian Cotinguiba Formation. A key to identification of spatangoids from the Cretaceous-Cenozoic sequence at Sergipe-Alagoas is added and considerations about other spatangoid species from that basin are presented.

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巴西Sergipe-Alagoas盆地Turonia-Coniacian地层的Mecaster texanus（Echinoidea）

蛛形棘足类Mecaster texanus (Roemer)首次在美国德克萨斯州的Austin Chalk被发现。在巴西东北部，该物种记录于Potiguar盆地上白垩统(Turonian-Coniacian) Jandaira组。在这里，我们将M. texanus的古地理分布向南扩展到Sergipe-Alagoas盆地，该物种出现在Turonian-Coniacian Cotinguiba组。本文补充了Sergipe-Alagoas盆地白垩纪-新生代层序中蛛形类的鉴定要点，并对该盆地其他蛛形类的鉴定提出了考虑。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.