吸血鲇属Paracanthopoma Giltay，1935年的分类学综述（志留目毛滴虫科），附9个新种的描述和该属的订正诊断

Q3 Agricultural and Biological Sciences

Papeis Avulsos de Zoologia Pub Date : 2022-11-04 DOI:10.11606/1807-0205/2022.62.072

M. D. De Pinna, F. P. Dagosta

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引用次数: 6

摘要

对Paracanthopoma属进行了分类修订，该属可能是目前已知最少的vandelline属。该作品基于世界各地博物馆中的大部分材料，并对该属的知识进行了重大扩展。根据9个假定的突触形态特征，副斑蝥被界定为一个单系群。为Paracanthopoma和Paravandellia作为姐妹群提供了证据，并对这两个属进行了比较诊断。Paracanthopoma共识别出13个物种，其中9个是新物种，1个从Paravandellia转移而来：Pc.ahriman，新种，Pc.alleyeni（Henschel et al.，2021），Pc.carrapata，新种。，2021，卡佩塔，新种，守护进程，新种，刺激物，新种，马来虫，新种，细小虫，吉尔泰，1935，沙奇-达戈斯塔和德-平纳，2021，沙塔尼卡，新种，特鲁昆塔，新种和吸血鬼，新种。不同物种表现出高度的表型差异，并根据外部和内部解剖的传统和新形态特征进行诊断。绘制了每个物种的地理分布图，并提供了识别密钥。初步证据表明副斑蝥体内存在四个主要亚支。第一个子条款包括Pc.ahriman、Pc.cangussu和Pc.irritans。第二子条款包括Pc.carrapata、Pc.daemon、Pc.parva，第三个分支包括马列虫属和沙塔虫属，第四个分支包括阿氏虫属和瓦姆皮拉虫。最后一个分支缺乏Paracanthopoma所有其他成员的一些假定的突触形态，似乎是该属其他成员的姐妹群。capeta和saci的关系并不清楚，但有一些证据表明前者与第一款有关，后者与第二款有关。

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A taxonomic review of the vampire catfish genus Paracanthopoma Giltay, 1935 (Siluriformes, Trichomycteridae), with descriptions of nine new species and a revised diagnosis of the genus

A taxonomic revision is presented of the genus Paracanthopoma, probably the least-known vandelliine genus at present. The work is based on most of the material available in museums worldwide and includes a major expansion in the knowledge about the genus. Paracanthopoma is circumscribed as a monophyletic group on the basis of nine putatively synapomorphic characters. Evidence is provided for Paracanthopoma and Paravandellia as sister groups and the two genera are comparatively diagnosed. A total of 13 species are recognized in Paracanthopoma, of which nine are new and one is transferred from Paravandellia: Pc. ahriman, new species, Pc. alleynei (Henschel et al., 2021), Pc. carrapata, new species, Pc. cangussu Henschel et al., 2021, Pc. capeta, new species, Pc. daemon, new species, Pc. irritans, new species, Pc. malevola, new species, Pc. parva Giltay, 1935, Pc. saci Dagosta & de Pinna, 2021, Pc. satanica, new species, Pc. truculenta, new species, and Pc. vampyra, new species. Different species display a high degree of phenotypic divergence and are diagnosed on the basis of traditional as well as new morphological characters of both external and internal anatomy. Geographical distributions are mapped for each species and an identification key is provided. Preliminary evidence suggests the existence of four main subclades within Paracanthopoma. The first one includes Pc. ahriman, Pc. cangussu, and Pc. irritans. A second subclade comprises Pc. carrapata, Pc. daemon, Pc. parva, and Pc. truculenta. A third clade includes Pc. malevola and Pc. satanica and a fourth comprises Pc. alleynei and Pc. vampyra. The last clade lacks some putative synapomorphies of all other members of Paracanthopoma and seems to be the sister group to the rest of the genus. Relationships of Pc. capeta and Pc. saci are not as clear, but some evidence exists for the former being related to the first subclade and the latter to the second subclade.

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来源期刊

Papeis Avulsos de Zoologia Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

8 weeks

期刊介绍： Papéis Avulsos de Zoologia to publish original contributions in systematics, paleontology, evolutionary biology, ecology, taxonomy, anatomy, behavior, functional morphology, molecular biology, ontogeny, faunistic studies, and biogeography. Its abbreviated title is Pap. Avulsos de Zool. (São Paulo), which should be used in bibliographies, footnotes and bibliographical references and strips.