New Mesozoic water scavenger beetles from the Yixian Formation in China (Coleoptera, Hydrophiloidea)

Abstract

One new fossil genus and four new fossil species are described from the Late Tithonian-Berriasian Yixian Formation (Huangbanjigou) in China: Sinosperchopsis silinae gen. et sp. nov., Hydrophilopsia shatrovskiyi sp. nov., H. hydraenoides sp. nov. and H. gracilis sp. nov. (Coleoptera: Hydrophiloidea). The genus Sinosperchopsis is compared with all Mesozoic hydrophiloid genera known so far.

Keywords

• Coleoptera
• Hydrophiloidea
• new genus
• new species
• fossil
• Mesozoic
• Jurassic-Cretaceous boundary
• Tithonian
• Berriasian
• China