New insects from the Jurassic Talbragar Fish Bed, Australia

Publication Type:Conference Paper
Year of Publication:2016
Authors:Beattie, R, Frese, M, Oberprieler, S, Oberprieler, R
Conference Name:The 7th International Conference on Fossil Insects, Arthropods and Amber
Date Published:26/04/2016
Publisher:Siri Scientific Press
Conference Location:National Museum of Scotland, Edinburgh
Abstract:

Fieldwork at the Talbragar Fish Bed, over the period 2006–2015, has yielded at least nine orders of insects, the most abundant being Hemiptera and Coleoptera. Talbragar insect fossils tend to be small, but recently the wings of a large undescribed orthopteroid have been discovered. Ten insects and one spider species have been formally described since 2012 and others are currently under study. Particularly, the fossil Diptera and Coleoptera have enhanced our understanding of the trophic relationships in this freshwater lake palaeoecosystem and the interactions between these insects and the fringing terrestrial plants. The Talbragar site probably represents the junction of terrestrial and an oligotrophic shoreline habitat. The fossil site continues to yield further taxa with the potential to provide an opportunity for a reconstruction of this Jurassic palaeoecosystem. This presentation updates the 2012 reconstruction of the Talbragar palaeoecosystem and our knowledge of the diversity and composition of the entomofauna.

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