[1]
Estes-Smargiassi , K. and Klompmaker , A. 2015. An enigmatic trace fossil from the Upper Triassic (Rhaetian) shales of Western Europe. Netherlands Journal of Geosciences. 94, (Jun. 2015), 271-277. DOI:https://doi.org/10.1017/njg.2015.15.