TY  - RPRT
TI  - Awell-preserved conodont fauna from the Pennsylvanian Excello Shale of Iowa, U. S. A.
AU  - Merlynd K. Nestell
AU  - Bruce R. Wardlaw
AU  - John P. Pope
PY  - 2016
UR  - https://pubs.usgs.gov/publication/70188432
ID  - 70188432
ER  -