TY  - RPRT
TI  - Some problems concerning the distribution of the late Paleozoic gastropod Omphalotrochus
AU  - E. L. Yochelson
PY  - 1954
DO  - 10.1126/science.120.3110.233
UR  - https://pubs.usgs.gov/publication/70010698
ID  - 70010698
ER  -