TY  - RPRT
TI  - Conodont index fossil Hindeodus changxingensis Wang fingers greatest mass extinction event
AU  - I. Metcalfe
AU  - R.S. Nicoll
AU  - B. R. Wardlaw
PY  - 2007
DO  - 10.1016/j.palwor.2007.01.001
UR  - https://pubs.usgs.gov/publication/70032769
ID  - 70032769
ER  -