Molluscan systematics: historical perspectives and the way ahead.

IF 11 1区 生物学 Q1 BIOLOGY Biological Reviews Pub Date : 2024-11-06 DOI:10.1111/brv.13157
Biyang Xu, Lingfeng Kong, Jin Sun, Junlong Zhang, Yang Zhang, Hao Song, Qi Li, Juan E Uribe, Kenneth M Halanych, Chenyang Cai, Yun-Wei Dong, Shi Wang, Yuanning Li
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Abstract

Mollusca, the second-most diverse animal phylum, is estimated to have over 100,000 living species with great genetic and phenotypic diversity, a rich fossil record, and a considerable evolutionary significance. Early work on molluscan systematics was grounded in morphological and anatomical studies. With the transition from oligo gene Sanger sequencing to cutting-edge genomic sequencing technologies, molecular data has been increasingly utilised, providing abundant information for reconstructing the molluscan phylogenetic tree. However, relationships among and within most major lineages of Mollusca have long been contentious, often due to limited genetic markers, insufficient taxon sampling and phylogenetic conflict. Fortunately, remarkable progress in molluscan systematics has been made in recent years, which has shed light on how major molluscan groups have evolved. In this review of molluscan systematics, we first synthesise the current understanding of the molluscan Tree of Life at higher taxonomic levels. We then discuss how micromolluscs, which have adult individuals with a body size smaller than 5 mm, offer unique insights into Mollusca's vast diversity and deep phylogeny. Despite recent advancements, our knowledge of molluscan systematics and phylogeny still needs refinement. Further advancements in molluscan systematics will arise from integrating comprehensive data sets, including genome-scale data, exceptional fossils, and digital morphological data (including internal structures). Enhanced access to these data sets, combined with increased collaboration among morphologists, palaeontologists, evolutionary developmental biologists, and molecular phylogeneticists, will significantly advance this field.

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软体动物系统学:历史展望与未来之路。
软体动物门是种类第二多的动物门,据估计有超过 10 万个活体物种,其遗传和表型具有极大的多样性,化石记录丰富,对进化具有重要意义。早期的软体动物系统学研究以形态学和解剖学研究为基础。随着寡聚基因桑格测序技术向尖端基因组测序技术的过渡,分子数据得到越来越多的利用,为重建软体动物系统发育树提供了丰富的信息。然而,软体动物大多数主要类群之间和类群内部的关系长期以来一直存在争议,原因往往是遗传标记有限、分类群取样不足和系统发育冲突。幸运的是,近年来软体动物系统学取得了重大进展,揭示了主要软体动物类群的演化过程。在这篇软体动物系统学综述中,我们首先综述了目前在较高分类水平上对软体动物生命树的理解。然后,我们讨论了体型小于 5 毫米的成年个体--微型软体动物如何为了解软体动物的巨大多样性和深层系统发育提供了独特的视角。尽管最近取得了一些进展,但我们对软体动物系统学和系统发育的了解仍有待完善。软体动物系统学的进一步发展将源于综合数据集,包括基因组尺度数据、特殊化石和数字形态学数据(包括内部结构)。加强对这些数据集的获取,同时加强形态学家、古生物学家、进化发育生物学家和分子系统论专家之间的合作,将极大地推动这一领域的发展。
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来源期刊
Biological Reviews
Biological Reviews 生物-生物学
CiteScore
21.30
自引率
2.00%
发文量
99
审稿时长
6-12 weeks
期刊介绍: Biological Reviews is a scientific journal that covers a wide range of topics in the biological sciences. It publishes several review articles per issue, which are aimed at both non-specialist biologists and researchers in the field. The articles are scholarly and include extensive bibliographies. Authors are instructed to be aware of the diverse readership and write their articles accordingly. The reviews in Biological Reviews serve as comprehensive introductions to specific fields, presenting the current state of the art and highlighting gaps in knowledge. Each article can be up to 20,000 words long and includes an abstract, a thorough introduction, and a statement of conclusions. The journal focuses on publishing synthetic reviews, which are based on existing literature and address important biological questions. These reviews are interesting to a broad readership and are timely, often related to fast-moving fields or new discoveries. A key aspect of a synthetic review is that it goes beyond simply compiling information and instead analyzes the collected data to create a new theoretical or conceptual framework that can significantly impact the field. Biological Reviews is abstracted and indexed in various databases, including Abstracts on Hygiene & Communicable Diseases, Academic Search, AgBiotech News & Information, AgBiotechNet, AGRICOLA Database, GeoRef, Global Health, SCOPUS, Weed Abstracts, and Reaction Citation Index, among others.
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Molluscan systematics: historical perspectives and the way ahead. Issue Information Insect immunity in the Anthropocene. The cryptonephridial/rectal complex: an evolutionary adaptation for water and ion conservation. Automatic detection for bioacoustic research: a practical guide from and for biologists and computer scientists.
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