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9e5965b8c9d9af845350c58374132953

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Geisina Johnson, 1936

Source

Rank

genus

Names

1

species:4806757

Pap. Nebraska Geol. Surv. , no. 11, 21.

Classification

Geisinidae
- Geisina Johnson, 1936
  - Geisina retiferiformis
  - Geisina victoriana Krömmelbein, 1954