TY - RPRT TI - The origin and paleoecologic significance of the trace fossil Asteriadtes in the Pennsylvanian of Kansas and Missouri AU - M. Gabriela Mángano AU - L.A. Buatois AU - R.R. West AU - C.G. Maples PY - 1999 DO - 10.1111/j.1502-3931.1999.tb00577.x UR - https://pubs.usgs.gov/publication/70021610 ID - 70021610 ER -