巴西东北部里约热内卢Mearim和里约热内卢Parnaíba盆地特征蝇三新种描述(裸子目:胸蝇科)

IF 2 4区 生物学 Q1 ZOOLOGY
G. Dutra, T. Ramos, N. Menezes
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引用次数: 3

摘要

摘要本文报道了三叶蝇属(E. trilineata)三新种。第一种来自于里约热内卢Mearim盆地,可以通过局限于身体后三分之二的侧线条纹、上中侧条纹、174 - 205条直鳍鳍线、侧线以上10-15排鳞片、109-125排侧线鳞片、19-23颗上颌前牙、20-29颗牙、6-10颗翼内齿和13-14块前椎骨来诊断。第二种来自上里约热内卢Parnaíba,可以通过限制在身体后三分之二的侧线条纹,ii, 11-13条胸鳍线,180-196条直鳍线,12-15排鳞片,10-14颗上颌前牙,15-21颗牙,8-10颗鳍内齿和14根前椎骨来诊断。第三种广泛分布于里约热内卢Parnaíba盆地,可通过无侧线条纹、无上中侧线条纹、无182 ~ 228条甲鳍线、侧线以上12 ~ 15排鳞片、107 ~ 131排鳞片、32 ~ 34颗上颌前牙、35 ~ 44颗嵌齿、9 ~ 12颗翼内齿和13根尾前椎骨诊断。给出了三种植物的分类键和保护现状。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Description of three new species of Eigenmannia (Gymnotiformes: Sternopygidae) from the rio Mearim and rio Parnaíba basins, Northeastern Brazil
Abstract Three new species of Eigenmannia belonging to the E. trilineata species-group are described. The first species is described from rio Mearim basin and can be diagnosed by lateral line stripe restricted to last two thirds of body, superior midlateral stripe present, 176–205 anal-fin rays, 10–15 scales rows above lateral line, 109–125 lateral line scales, 19–23 premaxillary teeth, 20–29 dentary teeth, 6–10 endopterygoid teeth, and 13–14 precaudal vertebrae. The second species is described from upper rio Parnaíba, and can be diagnosed by lateral line stripe restricted to last two-thirds of body, ii,11–13 pectoral-fin rays, 180–196 anal-fin rays, 12–15 scales rows above lateral line, 10–14 premaxillary teeth, 15–21 dentary teeth, 8–10 endopterygoid teeth, and 14 precaudal vertebrae. The third species is widespread in rio Parnaíba basin, and can be diagnosed by absence of lateral line stripe, absence of superior midlateral stripe, 182–228 anal-fin rays, 12–15 scales rows above lateral line, 107–131 lateral line scales, 32–34 premaxillary teeth, 35–44 dentary teeth, 9–12 endopterygoid teeth, and 13 precaudal vertebrae. A dichotomous key and the conservation status for the three species are provided.
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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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