NEOICHNOLOGICAL ANALYSIS OF MOLE CRICKET BURROWS: IMPLICATIONS OF SUBSTRATE MOISTURE CHANGES ON PRESERVATION AND MORPHOLOGY

IF 1.5 4区地球科学 Q2 GEOLOGY

Palaios Pub Date : 2024-01-29 DOI:10.2110/palo.2023.028

Daniel Sedorko, Diego L. Nascimento, Noelia Carmona, Renata G. Netto, Caio César Rangel, Kimberly Silva Ramos, Luciano Alessandretti

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引用次数: 0

Abstract

The morphology and architectural design of trace fossils are strongly influenced by substrate characteristics, organism anatomy, and burrowing behavior. In this study, we explore the influence of substrate moisture on preservation variants of mole cricket burrows and discuss its correspondence to previously described ichnogenera. Field observations were conducted on clayey and sandy substrates; burrows were described and photographed in situ, and laboratory analyses were performed on collected samples. Mole cricket burrows consist of branched, straight to sinuous tunnels with circular to semicircular cross sections and exhibit distinctive features on the inner walls that are influenced by substrate moisture and texture. Morphotypes were identified based on substrate characteristics, including well-developed pelletized roofs, subtle scratch traces, collapsed roofs, and lateral fringes. Understanding the impact of substrate moisture changes on the preservation and morphology of mole cricket burrows is essential for interpreting trace fossils in paleoenvironmental reconstructions. Besides providing insights into the modes of preservation and substrate conditions of mole cricket burrows, this study also compares their preservation variants with those of Protovirgularia and Sphaerapus.

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蝼蛄洞穴的新生物学分析：基质湿度变化对保存和形态的影响

痕迹化石的形态和建筑设计深受基质特征、生物解剖学和穴居行为的影响。在本研究中，我们探讨了基质湿度对蝼蛄洞穴保存变异的影响，并讨论了其与之前描述的偶人属的对应关系。我们在粘土和沙质基质上进行了实地观察；对洞穴进行了描述和现场拍照，并对采集的样本进行了实验室分析。鼹形蟋蟀的洞穴由分枝、笔直或蜿蜒的隧道组成，横截面呈圆形或半圆形，内壁受基质湿度和质地的影响而呈现出独特的特征。根据基质特征确定了形态类型，包括发达的颗粒状顶盖、细微的划痕、塌陷的顶盖和横向边缘。了解基质湿度变化对蝼蛄洞穴保存和形态的影响，对于解释古环境重建中的痕量化石至关重要。本研究除了揭示蝼蛄洞穴的保存模式和基质条件外，还将其保存变异与原蝼蛄（Protovirgularia）和Sphaerapus的保存变异进行了比较。

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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.