Abstract
The proposed new ichnotaxon Linckichnus terebrans n. ig. et isp., is a small test-tube shaped boring produced by insects in a sphenophyte stem and occurs in Upper Triassic (Keuper) terrestrial deposits.
ACKNOWLEDGEMENTS
Many thanks are due to Conrad C. Labandeira for helpful comments on Linckichnus. Special thanks to Gerd Geyer for fruitful discussions. M. Gabriela Mangáno and an anonymous reviewer are gratefully acknowledged for their constructive criticism.