TY  - RPRT
TI  - Late Ordovician-Early Silurian chitinozoans from north-eastern and western Illinois, USA
AU  - A. Butcher
AU  - Donald G. Mikulic
AU  - Joanne Kluessendorf
PY  - 2010
DO  - 10.1016/j.revpalbo.2009.11.002
UR  - https://pubs.usgs.gov/publication/70035549
ID  - 70035549
ER  -