<p>A new subfamily of Scarabaeidae, †Electrorubesopsinae Bai & Wang subfam. nov., is described from Cretaceous amber of Myanmar (earliest Cenomanian, ∼100 Ma) as the possible sister group of Dynamopodinae. †<i>Electrorubesopsis beuteli</i> Bai & Wang gen. et sp. nov. is the first species of this subfamily, which has probably been long extinct. Its external morphology was analysed and compared with all known genera of Dynamopodinae. A phylogenetic analysis based on 82 morphological characters suggests its placement in a sister relationship between †<i>Electrorubesopsis</i> and <i>Orubesa</i>. The hypothesis of a close relationship between <i>Orubesa</i> (Dynamopodini) and <i>Thinorycter</i> (Thinorycterini) is challenged. †<i>Electrorubesopsis</i> likely lived in a sandy environment or forest.</p> <p><a href="http://zoobank.org/urn:lsid:zoobank.org:pub:15351B5E-337C-49D4-90F0-619269BD1E5A" target="_blank">http://zoobank.org/urn:lsid:zoobank.org:pub:15351B5E-337C-49D4-90F0-619269BD1E5A</a></p
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