帽贝的分类

IF 0.8 4区 地球科学 Q4 PALEONTOLOGY
S. Donovan
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引用次数: 0

摘要

帽贝是一组腹足类动物,它们会产生独特的痕迹——它们的归巢疤痕——它们的壳会被捕食者和无脊椎动物筑巢。最近发现的林奈髌骨壳显示出一种独特而不寻常的保存方式。它是从英格兰南部怀特岛的北海岸(索伦特)收集的,来自维多利亚女王的私人沐浴海滩奥斯本之家。标本只保留了壳的下三分之一,靠近孔。破碎的表面密集地寄生着u形的无聊的Caulostrepsis taeniola Clarke,通常是像Polydora spp这样的蛛形多毛类的孢子。推断的埋藏历史是,死壳的下三分之一被埋在沉积物中保护,而顶端则被密集的无聊的蛛形孢子所破坏。这种保存是非常独特的,在化石记录中可能无法识别,因为在石化岩石表面只能看到二维的贝壳。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Taphonomy of a limpet
Abstract Limpets are a group of gastropods that generate distinctive traces – their homing scars – and whose shells are bored both by predators and invertebrates forming domiciles. A Recent shell of Patella vulgata Linnaeus shows a distinctive and unusual preservation. It was collected from the north (Solent) coast of the Isle of Wight, southern England, from Queen Victoria’s private bathing beach, Osborne House. The specimen preserves only the lower third of the shell, adjacent to the aperture. The surface of breakage is densely infested by the U-shaped boring Caulostrepsis taeniola Clarke, commonly the spoor of spionid polychaetes such as Polydora spp. The inferred taphonomic history is that the lower third of the dead shell was protected by burial in sediment while the apex was destroyed by a dense infestation of boring spionids. Such preservation is highly distinctive and might not be recognized in the fossil record when shells are only seen in two dimensions in a lithified rock surface.
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来源期刊
CiteScore
2.50
自引率
12.50%
发文量
0
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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