47
1
January
1
12
10.1111/j.0031-0239.2004.00343.x
PIRRIE, D., FELDMANN, R. M., BUATOIS, L. A. 2004. A new decapod trackway from the Upper Cretaceous, James Ross Island, Antarctica. Palaeontology, 47, 1, 1–12.
Duncan Pirrie, Rodney M. Feldmann and Luis A. Buatois A new trace fossil, Foersterichnus rossensis igen. nov. and isp. nov., is described from the Coniacian Hidden Lake Formation, James Ross Island, Antarctica. The trace fossil is a trackway comprising straight, or slightly curving, paired rows of elongate to tear-shaped impressions, parallel or slightly inclined to the long axis of the trackway. Foersterichnus is interpreted to be the trackway of a brachyuran decapod crustacean. It occurs in transgressive shallow marine deposits formed above the storm wave base in a shelf setting. Preservation of the trackway may have been linked to a rapid deoxygenation event during drowning that led to cessation of bioturbation allowing preservation of mixed layer trackways. Wiley Online Library