TY - RPRT TI - Analysis of measurement for a large sample of Lepidocyclina, an Eocene orbitoid foraminifera from Isla de Margarita, Venezuela AU - T. S. Dyman AU - Stanley H. Frost PY - 1980 DO - 10.3133/ofr80900 UR - https://pubs.usgs.gov/publication/ofr80900 ID - ofr80900 ER -