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A revised generic taxonomy for Far East Asian minnow Rhynchocypris and dace Pseudaspius
Ichthyological Research ( IF 0.6 ) Pub Date : 2020-01-27 , DOI: 10.1007/s10228-019-00726-5
Harumi Sakai , Katsutoshi Watanabe , Akira Goto

The Far East Asian dace and minnow clade Pseudaspininae of Leuciscidae sensu stricto, as recognized by molecular phylogeny, comprises three genera, viz. Oreoleuciscus, Rhynchocypris (removed from Phoxinus), and Pseudaspius (including hitherto Tribolodon spp.). Descriptions of Rhynchocypris and Pseudaspius are revised following comparison with Oreoleuciscus as well as with two Eurasian genera Leuciscus and Phoxinus. Eurasian Leuciscus is distinguished from the other genera by having fewer than 60 longitudinal scales and Phoxinus by having a comb-like scale patch between the pectoral fin and opercle. Far East Asian Oreoleuciscus is unique in having a single pharyngeal teeth row, Rhynchocypris in having the anal fin base originating under the posterior end of the dorsal fin base, and Pseudaspius in having axillary scales on pelvic fin base.

中文翻译:

远东鲦鱼Rhynchocypris和dace Pseudaspius的修订通用分类法

严格意义上的 Leuciscidae Sensu 的远东亚科鲦鱼和鲦鱼进化枝 Pseudaspininae,由分子系统发育学确认,包括三个属,即。Oreoleuciscus、Rhynchocypris(从 Phoxinus 中移除)和 Pseudaspius(包括迄今为止的 Tribolodon spp.)。在与 Oreoleuciscus 以及两个欧亚属 Leuciscus 和 Phoxinus 进行比较后,对 Rhynchocypris 和 Pseudaspius 的描述进行了修订。Eurasian Leuciscus 与其他属的区别在于纵向鳞片少于 60,而 Phoxinus 则在胸鳍和鳃盖之间有一个梳状鳞片。远东的Oreoleuciscus 独特的有单一的咽齿排,Rhynchocypris 的臀鳍基部起源于背鳍基部的后端,而Pseudaspius 的骨盆鳍基部有腋鳞。
更新日期:2020-01-27
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