1. A New Ichnospecies of Gyrolithes from the Austin Chalk, Upper Cretaceous, Texas, USA. Issue 1 (2nd January 2019) Authors: Morgan, Ryan F. Journal: Ichnos Issue: Volume 26:Issue 1(2019) Page Start: 1 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗