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State of Oklahoma, USA
Arbitrary point to represent the State.
latitude: 35.490002
longitude: -97.529999
Precision of location: Gauged from chart or map
Site Named Here: By name of sea, gulf, or country named in source publication
| Dendrocoelopsis americana | 1939 or earlier | Caves and springs in Oklahoma and Arkansas. | ||
| Bipalium kewense | 1954 or earlier |