The first Mesozoic vertebrate coprolites from Algeria

IF 0.8 4区地球科学 Q4 PALEONTOLOGY

Ichnos-An International Journal for Plant and Animal Traces Pub Date : 2023-01-02 DOI:10.1080/10420940.2023.2187387

M. Bendella, A. Hunt, M. Benyoucef, Imad Bouchemla

引用次数: 3

Abstract

Abstract Nine morphotypes of coprolites, including Heteropolacopros texaniensis, Liassocopros isp., Hyronocopros amphipola, Eucoprus isp. 1, Eucoprus isp. 2, Morphotype 1, Morphotype 2, Morphotype 3, and Morphotype 4, are distinguished from the basal Late Cretaceous (Lower Cenomanian) of the ‘Continental Intercalaire’ deposits at Gara Samani (Sahara, southern Algeria). This coprofauna is the first to be identified, described and illustrated from the Mesozoic of Algeria. It adds new information on the trace-fossil assemblages previously reported from the Cretaceous localities of North Africa. The Gara Samani coproassociation marks the youngest occurrence of the ichnogenera Heteropolacopros and Hyronocopros. Most coprolites were produced by ichthyophagous carnivores, such as crocodiles, theropods (Spinosaurus) and different kinds of fish.

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阿尔及利亚发现第一批中生代脊椎动物粪化石

摘要粪化石有9种形态类型，包括Heteropolacopros texaniensis、Liassocopros isp。，海螺双翼，桉叶。1、桉树;2、形态型1、形态型2、形态型3和形态型4分别与Gara Samani(阿尔及利亚南部撒哈拉地区)“Continental Intercalaire”沉积的基底晚白垩世(下Cenomanian)相区别。这是阿尔及利亚中生代首次发现、描述和图解的粪动物群。它为之前报道的北非白垩纪地区的化石组合增加了新的信息。加拉萨马尼共亲和标志着最年轻的鱼类学属Heteropolacopros和Hyronocopros的出现。大多数粪化石是由食鱼的食肉动物产生的，如鳄鱼、兽脚亚目动物(棘龙)和不同种类的鱼类。

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

Ichnos-An International Journal for Plant and Animal Traces PALEONTOLOGY-

CiteScore

2.50

自引率

12.50%

发文量

审稿时长

>12 weeks

期刊介绍： The foremost aim of Ichnos is to promote excellence in ichnologic research. Primary emphases center upon the ethologic and ecologic significance of tracemaking organisms; organism-substrate interrelationships; and the role of biogenic processes in environmental reconstruction, sediment dynamics, sequence or event stratigraphy, biogeochemistry, and sedimentary diagenesis. Each contribution rests upon a firm taxonomic foundation, although papers dealing solely with systematics and nomenclature may have less priority than those dealing with conceptual and interpretive aspects of ichnology. Contributions from biologists and geologists are equally welcome. The format for Ichnos is designed to accommodate several types of manuscripts, including Research Articles (comprehensive articles dealing with original, fundamental research in ichnology), and Short Communications (short, succinct papers treating certain aspects of the history of ichnology, book reviews, news and notes, or invited comments dealing with current or contentious issues). The large page size and two-column format lend flexibility to the design of tables and illustrations. Thorough but timely reviews and rapid publication of manuscripts are integral parts of the process.

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