TY - JOUR A1 - Marsh, W. A. JO - The Nautilus IS - 1 SP - 1 EP - 2 C1 - 5(1): 1-2 TI - Description of two new species of Unio, from Arkansas UR - http://biodiversitylibrary.org/page/12565967 VL - 5 PY - 1891 Y2 - 2024-03-28 ER -