Abstract

The ship-timber beetle Cretoquadratus engeli gen. et sp.n. has been described and classified based on a moderately well-preserved fossil specimen found inside mid-Cretaceous amber from the Hukawng Valley in northern Myanmar. The newly created taxon is placed within Atractocerinae, and the new species can be easily distinguished from all other extinct and recent members of the subfamily due to the presence of media veins and branches, including M1, M₂, M₃, and M₄. Cretoquadratus engeli is the oldest known representative of (Atractocerinae) Lymexylidae, with the exception of Cratoatractocerus grimaldii Wolf-Schwenninger, 2011, which was deposited in the Lower Cretaceous of Brazil. The palaeobiomigratory significancehas been briefly discussed.

中文翻译：

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缅甸北部白垩纪中期琥珀色天蛾科（昆虫纲：鞘翅目）的新属和种

摘要

船用甲虫Cretoquadratus engeli gen。等 根据缅甸北部Hukawng谷在白垩纪中部琥珀内部发现的中度保存良好的化石标本，对其进行了描述和分类。新创建的分类单元位于白术内，由于存在中脉和分支，包括M1，M ₂，M ₃和M ₄，因此可以容易地将新物种与亚家族的其他所有已灭绝物种区分开。危地马拉Cretoquadratus engeli是（Atractocerinae）Lymexylidae的最古老的代表，除了Cratoatractocerus grimaldii沃尔夫·施温宁格，2011年，沉积在巴西下白垩统。简要讨论了古生物迁移的意义。