First record of the subfamily Sagrinae (Coleoptera: Chrysomelidae) from the Eocene of North America

被引：2
|
作者：
Legalov, Andrei A. [1 ,2 ,3 ]
机构：
[1] Russian Acad Sci, Inst Systemat & Ecol Anim, Siberian Branch, Frunze St 11, Novosibirsk 630091, Russia
[2] Altai State Univ, Dept Ecol Biochem & Biotechnol, Lenina 61, Barnaul 656049, Russia
[3] Tomsk State Univ, Dept Forestry & Landscape Construct, Lenin Ave 36, Tomsk 634050, Russia
来源：
FOSSIL RECORD | 2021年 / 24卷 / 01期
关键词：
BEETLES COLEOPTERA; LEAF BEETLES; DONACIINAE; TRIBE;
D O I：
10.5194/fr-24-135-2021
中图分类号：
Q91 [古生物学];
学科分类号：
0709 ; 070903 ;
摘要：
A new genus, Palaeatalasis gen. nov. (type species P. monrosi sp. nov.), from the tribe Megamerini (Chrysomelidae: Sagrinae) from the early-middle Eocene Green River Formation is described and illustrated. The new genus is similar to the RecentAtalasis Lacordaire, 1845 but differs from it in the subparallel sides of the pronotum, metafemora without teeth, and non-emarginate eyes. It differs from the Eocene Eosagra Haupt, 1950 in the large, convex, non-emarginate eyes, wide elytra, and transverse pronotum. The new genus is distinguished from the Paleocene Gallopsis Legalov, Kirejtshuk et Nel, 2019 in the wide forehead and convex eyes. It is the first record of the Sagrinae from North America and the fourth known species of the family Chrysomelidae from the Green River.
引用
收藏
页码：135 / 139
页数：5
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