BIOTIC INTERACTIONS BETWEEN CONULARIIDS AND EPIBIONTS FROM THE SILURIAN WAUKESHA BIOTA

IF 1.5 4区地球科学 Q2 GEOLOGY Palaios Pub Date : 2022-11-23 DOI:10.2110/palo.2022.027

April A. Miller, J. Huntley, Evan P. Anderson, Sarah M. Jacquet

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引用次数: 2

Abstract

Abstract: Here we describe an epibiont association between conulariids and holdfast producers, with attachment scars resembling those of the tubular epibiont, Sphenothallus, from the Silurian (late Telychian Series) Brandon Bridge Formation, Wisconsin. The conulariid population represents the most abundant sessile organisms in the Waukesha Biota and consists of two species, Conularia niagarensis Hall, 1852 and Metaconularia cf. manni (Roy, 1935). Attachment scars present on the conulariid test offer a unique glimpse into the paleoecology of this Silurian benthic assemblage. However, body fossils of the attached epibiont are scarce and have not been observed attached or near conulariid specimens. This study evaluates the identity and paleoecological relationship between the conulariids and their enigmatic epibionts. Statistical analyses of attachment trace size, frequency, and distribution on the conulariid test gives insight to the nature of their symbiotic relationship. Our results did not find any significant support for a parasitic relationship. However, commensalism cannot be ruled out and serves as an alternative explanation for the relationship between these two organisms.

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志留系WAUKESHA生物群圆锥虫与表生生物的生物相互作用

摘要：在这里，我们描述了圆锥虫和固着生产者之间的表生体联系，其附着疤痕类似于威斯康辛州志留纪（晚期Telychian系列）Brandon Bridge组的管状表生体Sphenotallus的附着疤痕。圆锥虫种群代表了沃克沙生物群中最丰富的无柄生物，由两个物种组成，即鸟孔虫（Conularia niagarensis Hall），1852年和偏圆锥虫（Metaconularia cf.manni）（Roy，1935）。圆锥岩测试上的附着痕为了解志留纪海底生物组合的古生态提供了一个独特的视角。然而，附着表生物的身体化石很少，也没有在圆锥虫的附着标本或附近观察到。本研究评估了圆锥虫与其神秘的表生生物之间的身份和古生态关系。圆锥虫试验中附着痕迹大小、频率和分布的统计分析可以深入了解它们共生关系的性质。我们的研究结果没有发现任何显著的支持寄生关系。然而，共生现象不能被排除，它可以作为这两种生物之间关系的另一种解释。

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来源期刊

Palaios 地学-地质学

CiteScore

2.80

自引率

12.50%

发文量

审稿时长

6 months

期刊介绍： PALAIOS is a monthly journal, founded in 1986, dedicated to emphasizing the impact of life on Earth''s history as recorded in the paleontological and sedimentological records. PALAIOS disseminates information to an international spectrum of geologists and biologists interested in a broad range of topics, including, but not limited to, biogeochemistry, ichnology, paleoclimatology, paleoecology, paleoceanography, sedimentology, stratigraphy, geomicrobiology, paleobiogeochemistry, and astrobiology. PALAIOS publishes original papers that emphasize using paleontology to answer important geological and biological questions that further our understanding of Earth history. Accordingly, manuscripts whose subject matter and conclusions have broader geologic implications are much more likely to be selected for publication. Given that the purpose of PALAIOS is to generate enthusiasm for paleontology among a broad spectrum of readers, the editors request the following: titles that generate immediate interest; abstracts that emphasize important conclusions; illustrations of professional caliber used in place of words; and lively, yet scholarly, text.