TY  - RPRT
TI  - Systematics, environment, and biogeography of some Late Cambrian and Early Ordovician trilobites from eastern New York State
AU  - Michael E. Taylor
AU  - Robert B. Halley
PY  - 1974
DO  - 10.3133/pp834
UR  - https://pubs.usgs.gov/publication/pp834
ID  - pp834
ER  -