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首页> 外文期刊>Journal of Systematic Palaeontology >Redescription of Barbus megacephalus Giinther, 1876 and Thynnichthys amblyostoma von der Marck, 1876 (Cypriniformes: Cyprinidae) from probable Eocene deposits of Southeast Asia, and an assessment of their taxonomic positions
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Redescription of Barbus megacephalus Giinther, 1876 and Thynnichthys amblyostoma von der Marck, 1876 (Cypriniformes: Cyprinidae) from probable Eocene deposits of Southeast Asia, and an assessment of their taxonomic positions

机译：Barbus Megacephalus Giinther的重新设计，1876年和Thynnichthys Amblyostoma von der Marck，1876年（Cypriniformes：cyprinidae）来自东南亚可能的eocene沉积物，以及对分类职位的评估

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摘要

Two cyprinid fishes from fossil deposits of Sumatra, Indonesia, were briefly described and named in 1876 as new species in extant genera. These taxa, despite being important early records for the family, have been excluded from later studies, probably because the cursory descriptions and lack of illustrations provided little data for other researchers. These two fish, Barbus megacephalus Gunther and Thynnichthys amblyostoma von der Marck, are here fully described and illustrated. They are both removed from the extant genera and each is given its own new genus, as Sundabarbus megacephalus and Padangia amblyostoma. Both are assigned to the subfamily Barbinae (equivalent to the tribe Barbini). These two species are some of the oldest known members of the family, coming from deposits that are believed to be Eocene in age.
机译：来自印度尼西亚苏门答腊州的化石沉积物的两条胞质鱼类在1876年作为现存属的新物种简要描述和命名。这些分类群尽管是家庭的重要早期记录，但已被排除在以后的研究中，可能是因为柯萨格描述和缺乏插图为其他研究人员提供了很少的数据。这两条鱼，芭巴顶巨型鱼枪枪和尘埃阵容amblyostoma von der Marck在这里充分描述和说明了。它们都从扩大的属中移除，每个都被赋予自己的新属，作为Sundabarbus megacephalus和padangia嗜睡瘤。两者都被分配给亚家族百拉内（相当于部落芭芭尼）。这两个物种是来自众议院的最古老的知名成员，据信在年龄的休息。

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