Abstract

Lower Cretaceous beetles belonging to the extant tribe Ommatini (Coleoptera: Cupedidae: Ommatinae) are revised and six new species proposed in the extinct Eurasian genusCionocoleus:Cionocoleus tanaesp. n.,Cionocoleus olympicussp. n. (Yixian Formation, China);Cionocoleus elizabethaesp. n.,Cionocoleus watsonisp. n.,Cionocoleus minimussp. n. (Weald Clay Group, UK); andCionocoleus jepsonisp. n. (Purbeck Limestone Group, UK). New morphological data is provided forCionocoleus magicusandCionocoleus cervicalisstat. n. of whichCionocoleus planiusculusis considered a synonym (Yixian Formation).Cionocoleus punctatuscomb. n. is considered the oldest record (Upper Jurassic; Kazakhstan) of this presumably xylophagous, warm climate genus. A simple key is provided to all known species ofCionocoleus.

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