@misc{indiciaebe5734bee57c, title = {The origin of Chubutolithes Ihering, ichnofossils from the Eocene and Oligocene of Chubut Province, Argentina.}, author = {T.M. Brown and B.C. Ratcliffe}, year = {2016}, doi = {10.1017/s0022336000029802}, url = {https://pubs.usgs.gov/publication/70014863}, note = {Source identifier: 70014863} }