法国Menat古新世Archaeoheilus Legalov属一新种(鞘翅目:Curculionidae)

IF 1.2 4区地球科学 Q3 PALEONTOLOGY

Comptes Rendus Palevol Pub Date : 2022-04-04 DOI:10.5852/cr-palevol2022v21a12

undefined Andrei A. LEGALOV, undefined Alexander G. KIREJTSHUK, A. Nel

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引用次数: 2

摘要

本文描述了法国Menat古新世的一新种Archaeoheilus gallicus n. sp.。新种与A. provectus (Scudder, 1876)、A. scudderi Legalov(2018)、A. ovalis Legalov(2018)、A. lacoei (-Scudder, 1893)相似，分别来自始新世早中期的绿河组和始新世晚期的Florissant组。但它与它们的不同之处在于狭窄的鞘翅间隙。新种还不同于A. scudderi在更厚的喙部，更大的体型和更宽的跗骨2和3;在较薄的喙部也来自A. provectus、A. ovalis和A. lacoei;来自体型较小的A. provectus和A. lacoei，以及体型较大的A. ovalis和触角状的鳞片到达眼睛。给出了2018年Archaeoheilus Legalov属的种号。讨论了古近纪美洲和欧洲象鼻虫动物群之间的联系。

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A new species of the genus Archaeoheilus Legalov, 2018 (Coleoptera: Curculionidae) from the Paleocene of Menat (France)

A new molytine species, Archaeoheilus gallicus n. sp. from the Paleocene of Menat (France) is described and illustrated. The new species is similar to A. provectus (Scudder, 1876), A. scudderi Legalov, 2018, A. ovalis Legalov, 2018 from the early-middle Eocene Green River Formation, and A. lacoei (Scudder, 1893) from the late Eocene Florissant Formation. But it differs from them in the narrow elytral interstriae. The new species differs also from A. scudderi in the thicker rostrum, larger body size, and wider tarsomeres 2 and 3; and also from A. provectus, A. ovalis, and A. lacoei in the thinner rostrum; from A. provectus and A. lacoei in the smaller body size, and from A. ovalis in the larger body size and antennal scrobes reaching eyes. The key to species of the genus Archaeoheilus Legalov, 2018 is given. The links between the weevil faunas of America and Europe in the Paleogene are discussed.

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来源期刊

Comptes Rendus Palevol 地学-古生物学

CiteScore

2.10

自引率

0.00%

发文量

审稿时长

17.6 weeks

期刊介绍： Comptes Rendus Palevol is a fully electronic and peer-reviewed journal, with a continuous publication stream, devoted to palaeontology, prehistory and evolutionary sciences. It publishes original research results, in French or English, in the following domains: systematic and human palaeontology, prehistory, evolutionary biology and macroevolution, and history of sciences. Thematic issues may also be published under the responsibility of a guest editor. All articles published in Comptes Rendus Palevol are compliant with the different nomenclatural codes. A copyright assignment will be signed by the authors before publication.