TY - JOUR A1 - Meek, F. B. A1 - Worthen, A. H. JO - Illinois Geological Survey SP - 289 EP - 565 C1 - 3: 289-565 TI - Paleontology of Illinois UR - https://www.irmng.org/aphia.php?p=sourcedetails&id=201707 VL - 3 PY - 1868 Y2 - 2024-03-28 ER -