| Specimen ID | 252579 |
| Group | Tunicates |
| Genus | Didemnum |
| Species | vexillum |
| Common Name | a colonial sea squirt |
| State | MA |
| County | Dukes |
| Locality | Atlantic Ocean, Nantucket Sound at Oak Bluffs Harbor on Marthas Vineyard |
| Mapping Accuracy | Accurate |
| HUC8 Name | Cape Cod |
| HUC8 Number | 01090002 |
| HUC10 Name | Martha's Vineyard |
| HUC10 Number | 0109000206 |
| HUC12 Name | Martha's Vineyard-Vineyard Sound |
| HUC12 Number | 010900020601 |
| Map | |
| Collection Day | 22 |
| Collection Month | 1 |
| Collection Year | 2004 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 24162 |
| Author: | USGS - Woods Hole Science Center. |
| Date: | 2008 |
| Title: | Marine Nuisance Species, Didemnum, a colonial tunicate; ascidian; sea squirt - New England Coast Location Table. |
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| Comments | 1-2 ft depth; on ropes and steel bulkhead |
| Record Type | Literature |
| Freshwater/Marine | Marine |
