| Specimen ID | 621146 |
| Group | Coelenterates-Hydrozoans |
| Genus | Blackfordia |
| Species | virginica |
| Common Name | Black Sea jellyfish |
| State | CA |
| County | Sonoma |
| Locality | San Pablo Bay - Petaluma River |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Pablo Bay |
| HUC8 Number | 18050002 |
| HUC10 Name | San Pablo Bay |
| HUC10 Number | 1805000208 |
| HUC12 Name | San Pablo Bay |
| HUC12 Number | 180500020802 |
| Map | |
| Collection Day | 1 |
| Collection Month | 1 |
| Collection Year | 1974 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Reference 1 |
| Ref. Number: | 26266 |
| Author: | California Department of Fish and Game. |
| Date: | 2009 |
| Title: | California Aquatic Non-native Organism Database (CANOD). |
| Publisher: | California Department of Fish and Game, Office of Spill Prevention and Response. |
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| Record Type | Literature |
| Freshwater/Marine | Marine |
