基金Acknowledgements The author wishes to thank Monash University School of Geosciences, and in particular Prof. Pat Vickers-Rich and Dr. Jeff Stilwell, for providing support and resources for this research this research was funded by a Monash University Research Scholarship provided to the author. Also thanked are Dr. Ken Walker （Melbourne Museum, Australia） and Dr. Ken McNamara （Cambridge University, United Kingdom） for providing advice and guidance throughout the research period. The Melbourne Museum is acknowledged for providing access to photographic equipment and collection access, as is the Western Australian Museum for fieldwork support and collection access. Thanks also are due to Dr. John Lawrence （formerly of CSIRO Entomology, Australia）, who graciously agreed to look over and discuss this material with the （at-the-time very confused） author+1 种基金 his patience and considerable experience was of great benefit. Dr. Alexandr Ponomarenko （Paleontological Institute, Russian Academy of Sciences） and Dr. Carmen Soriano （Department d＇Estratigraphia, Palaeontologica i Geociences Marines, Universitat de Barcelolona, Spain） provided suggestions and reprints that were an aid in the identification of these coleopterans Mr. Robert Beattie provided updates on the state of work at the Talbragar Fish Bed locality in New South Wales. Finally, the proprietors of Cantabilling Springs Station are thanked for allowing access to the insect locality.