中美洲特有鱼类深鳍鱼属和大鳍鱼属的重新描述和诊断

IF 2 4区 生物学 Q1 ZOOLOGY Neotropical Ichthyology Pub Date : 2023-02-20 DOI:10.1590/1982-0224-2022-0089
Sara E. Domínguez-Cisneros, O. Domínguez‐Domínguez, E. Velázquez-Velázquez, R. Pérez‐Rodríguez
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引用次数: 1

摘要

直到最近,深草属被划分为深草科的两个亚属:深草属和Tlaloc亚属。新发现的分子数据已被用来证明这些亚属向属的提升。然而形态学分析诊断这两个属是缺乏的。本研究的目的是在形态学的基础上提供一种属诊断和分类学的关键。Tlaloc属是根据5个独特的特征来诊断的,其中有突出的椭圆形介筛,超过了蝶体的后缘;副棘突的前部与中筛接触并延伸到中筛中心以外;和减少的自噬窝。深结节的诊断基于以下特征:筛孔小,呈月牙形,不超出结节边缘;副蝶状骨的前部刚好接触到中筛但没有延伸到中筛中心以外;一个大的自噬窝。对于每个属,提供了描述和分布范围以及物种识别的关键。
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Redescription and diagnoses of the genera Profundulus and Tlaloc (Cyprinodontiformes: Profundulidae), Mesoamerican endemic fishes
Abstract Until recently, the genus Profundulus was classified in two subgenera, Profundulus and Tlaloc, the sole members of the family Profundulidae. Newly discovered molecular data have been used to justify the elevation of these subgenera to genera. Yet morphological analyses to diagnose the two genera are lacking. The aim of this study is to provide a generic diagnosis and a taxonomic key to the species within the family Profundulidae based on morphology. The genus Tlaloc is diagnosed on the basis of five unique characters, among which are the prominent and oval-shaped mesethmoid, exceeding the posterior margins of the vomer; the anterior portion of the parasphenoid making contact with the mesethmoid and extend beyond the center of the mesethmoid; and a reduced autopterotic fossa. Profundulus is diagnosed here based on the following characters: the mesethmoid is small, crescent-shaped, and does not extend beyond the margins of the vomer; the anterior portion of the parasphenoid just contacting the mesethmoid and not extending beyond the center of the mesethmoid; a large autopterotic fossa. For each genus, description and distribution ranges are provided as well as a key for identification of the species.
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来源期刊
Neotropical Ichthyology
Neotropical Ichthyology 生物-动物学
CiteScore
2.80
自引率
17.60%
发文量
24
审稿时长
6-12 weeks
期刊介绍: Neotropical Ichthyology is the official journal of the Sociedade Brasileira de Ictiologia (SBI). It is an international peer-reviewed Open Access periodical that publishes original articles and reviews exclusively on Neotropical freshwater and marine fishes and constitutes an International Forum to disclose and discuss results of original research on the diversity of marine, estuarine and freshwater Neotropical fishes. -Frequency: Four issues per year published only online since 2020, using the ‘rolling pass’ system, which posts articles online immediately as soon as they are ready for publication. A searchable and citable Digital Object Identifier (DOI) is assigned to each article immediately after online publication, with no need to await the issue’s closing. -Areas of interest: Biology, Biochemistry and Physiology, Ecology, Ethology, Genetics and Molecular Biology, Systematics. -Peer review process: The Editor-in-Chief screens each manuscript submitted to Neotropical Ichthyology to verify whether it is within the journal’s scope and policy, presents original research and follows the journal’s guidelines. After passing through the initial screening, articles are assigned to a Section Editor, who then assigns an Associate Editor to start the single blind review process.
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