"Paleontología Mioceno." . . "Puerto Rico." . . "From 10 to 40 million years ago" . . "Paleontología Oligoceno." . . "Paleontology Virgin Islands Saint Croix." . . "Foraminíferos fósiles Islas Vírgenes americanas Santa Cruz." . . . . . . . . . . . . . . . . . . . . . . "Smaller Foraminifera from deep wells on Puerto Rico and St. Croix : planktonic and benthonic Foraminifera (about 230 species) from the Miocene and the Oligocene in three test wells along the south-central coast of Puerto Rico ; Middle Miocene age of beds in 3 test wells on St. Croix based on restudy of their planktonic Foraminifera (42 species)" . "Smaller Foraminifera from deep wells on Puerto Rico and St. Croix"@en . "Smaller Foraminifera from deep wells on Puerto Rico and St. Croix" . "Smaller Foraminifera from Deep Wells on Puerto Rico and St. Croix : Planktonic and benthonic Foraminifera (about 230 species) from the Miocene and the Oligocene in three test wells along the south-central coast of Puerto Rico; Middle Miocene age of beds in three test wells on St. Croix based on restudy of their planktonic Foraminifera (42 species)" . . . . . . . . "Planktonic and benthonic Foraminifera (about 230 species) from Miocene and Oligocene in three test wells along south-central coast of Puerto Rico, Middle Miocene age of beds in three test wells on St. Croix based on restudy of their planktonic Foraminifera (42 species)." . . . . . . . . . . "Smaller foraminifera from deep wells on Puerto Rico and St. Croix" . . . "Foraminifera, Fossil." . . "Paleontology Miocene." . . "Paleontology Puerto Rico." . . "Geological Survey (U.S.)," . . "Paleontology." . . "Oligocene Geologic Epoch." . . . . "Foraminíferos fósiles Puerto Rico." . . "United States Virgin Islands" . . "Paleontology Oligocene." . . "Miocene Geologic Epoch." . .