TY  - RPRT
TI  - The origin of Chubutolithes Ihering, ichnofossils from the Eocene and Oligocene of Chubut Province, Argentina.
AU  - T.M. Brown
AU  - B.C. Ratcliffe
PY  - 2016
DO  - 10.1017/s0022336000029802
UR  - https://pubs.usgs.gov/publication/70014863
ID  - 70014863
ER  -