| Main Ref. | Anonymous, 2000 (Ref. 35508) |
|---|---|
| Name used | Umbra pygmaea |
| Catalog No. | ZMH 12 |
| Locality | Baggerkuhle, bei Vaale (bei Wilster) |
| Year | 1953 |
| Collector | Joachim Grimm leg. X.1947-I.1948, Duncker ded. 12.X.1953 |
| Museum | ZMH |
| Date | 1953-12-10 |
| Sea Drainage | Europa |