新泽西州纽瓦克盆地最上层斯托克顿组(晚三叠世)河流沉积物中的化石痕迹

IF 0.8 4区地球科学 Q4 PALEONTOLOGY

Ichnos-An International Journal for Plant and Animal Traces Pub Date : 2020-01-17 DOI:10.1080/10420940.2019.1697259

R. Metz

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引用次数: 5

摘要

摘要:美国新泽西州中西部纽瓦克盆地晚三叠世斯托克顿组上部河流沉积中发现了一组微量化石。以穴居动物为主的标本包括:长舌蜗(Cochlichnus anguineus)、蛇尾螺(Helminthoidichnites tenuis)、beverleyplanolites、Scoyenia gracilis)、海绵虫(sponeliomorpha carlsbergi)、双叉treptichus bifurcus、pollardi treptichus)、植物遗骸和一种未确定的脊椎动物化石。该组合属于斯科耶尼亚相。根据层理和原始沉积构造，认为该层为曲流环境下的沉积。昆虫幼虫、蠕虫样和节肢动物可能是在潮湿或潮湿的河道、洪泛平原和点坝沉积物中暴露于地面的大多数动物痕迹的原因。

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Trace fossils in fluvial deposits of the uppermost Stockton Formation (Late Triassic), Newark Basin, New Jersey

Abstract Fluvial deposits of the uppermost Stockton Formation (Late Triassic), Newark Basin, west-central New Jersey have yielded an assemblage of trace fossils. Dominated by burrows, specimens include Cochlichnus anguineus, Helminthoidichnites tenuis, Planolites beverleyensis, Scoyenia gracilis, Spongeliomorpha carlsbergi, Treptichnus bifurcus, Treptichnus pollardi, plant remains, and an undetermined vertebrate trace fossil. The assemblage belongs to the Scoyenia ichnofacies. On the basis of stratification and primary sedimentary structures, the beds are interpreted as deposits in a meandering stream environment. Larval insects, wormlike forms, and arthropods are probably responsible for most of the animal traces in wet or moist channel, floodplain, and point bar sediments subject to subaerial exposure.

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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.