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  • Ostracoda
  • Paleogeneral
  • Ostracoda
  • Paleogeneral
  • Bell
  • Sohn, I. G.
  • Bell
  • Sohn, I. G.
  • Fall River County
  • North America
  • South Dakota
  • United States
  • Fall River County
  • North America
  • South Dakota
  • United States
  • 1950s
  • NMNH - Paleobiology Dept.
  • Arthropoda
  • Arthropoda
  • Ostracoda
  • Ostracoda
  • Cypridea (Pseudocypridina) inornata Peck
  • Cypridea (Pseudocypridina) inornata Peck
  • Cretaceous
  • Cretaceous
  • Chilson Mbr
  • Chilson Mbr