e8879099618e52f6eea4a84b60253359

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Umbonellina Koken & Perner, 1925

Source

Rank

genus

Names

1

Mém. Acad. Sci. Russie, (8) 37, no. 1, 203.

Craspedostomatidae Wenz, 1938
- Umbonellina Koken & Perner, 1925
  - Umbonellina infrasilurica