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Psammosphaera fusca Campos Basin, Brazil recent recent recent  | Psammosphaera fusca Schulze, 1875 Challenger Station 122, Brazil recent recent recent  | Psammosphaera fusca Schulze, 1875 Challenger Station 122, Brazil recent recent recent  |
Psammosphaera fusca Schulze, 1875 Challenger Station 23, Anguilla recent recent recent  | Psammosphaera fusca Schulze, 1875 Challenger Station 285to286, off territorial waters recent recent recent  | Psammosphaera fusca Schulze, 1875 Challenger Station 323, off territorial waters recent recent recent  |
Psammosphaera fusca Schulze, 1875 Challenger Station 323, off territorial waters recent recent recent  | Psammosphaera fusca Greenland Sea, Greenland recent recent recent  | Psammosphaera fusca Schulze, 1875 Muertos Trough, off territorial waters recent recent recent  |
Psammosphaera fusca Schulze, 1875 Muertos Trough, off territorial waters recent recent recent  | Psammosphaera fusca Schulze, 1875 Muertos Trough, off territorial waters recent recent recent  | Psammosphaera fusca Schulze, 1875 Porcupine Station 16 to 17, off territorial waters recent recent recent  |
Psammosphaera fusca see text, Antarctica recent recent recent  | Psammosphaera fusca Schulze, 1875 South China Sea, off territorial waters recent recent recent  | Psammosphaera fusca Schulze, 1875 South China Sea, off territorial waters recent recent recent  |
Psammosphaera parva Faroe-Shetland Channel, Denmark recent recent recent  | Psammosphaera sp. --- Weddell Sea, Antarctica recent recent recent  | Psammosphaera sp. --- Weddell Sea, Antarctica recent recent recent  |
Psammosphaera sp. --- Weddell Sea, Antarctica recent recent recent  | Psammosphaera sp. --- Kobrow, Germany Chattian Oligocene Paleogene  | Psammosphaera sp. --- Missouri and Illinois, USA Lower Mississippian Mississippian Carboniferous  |
Psammosphaera sp. --- Missouri and Illinois, USA Lower Mississippian Mississippian Carboniferous  |