Robuta

https://data.bnf.fr/temp-work/28a1f443e93ecd91e7797d281b69cbce/
Toutes les informations de la Bibliotheque Nationale de France sur : Trace fossils, biology and taphonomy - Richard Granville Bromley
trace fossilsbiologytaphonomy
https://www.uky.edu/KGS/fossils/fossil-trace-Ichnofacies.php
Information about the geology of Kentucky and the Kentucky Geological Survey
kentucky geological surveytrace fossilsichnofaciesuniversity
https://scirp.org/journal/papercitationdetails?paperid=30362&JournalID=587
Continental ichnology has been taking an ever increasing importance in stratigraphy. In this paper, Continental Trace Fossils in Semnan area have been studied....
trace fossilsnorthern irancontinentalsemnanarea
https://www.bas.ac.uk/data/our-data/publication/trace-fossils/
british antarctic surveytrace fossilspublication
https://www.usgs.gov/publications/arthrophycus-silurian-alabama-usa-and-problem-compound-trace-fossils
Arthrophycus brongniartii (Harlan, 1832) is common in marginal-marine deposits in the Silurian Red Mountain Formation of Alabama. The ichnospecies, the second...
silurianalabamausaproblem