| Specimen ID | 4870 |
| Group | Crustaceans-Crabs |
| Genus | Carcinus |
| Species | maenas |
| Common Name | green crab |
| State | CT |
| County | New Haven |
| Locality | Long Island Sound drainage |
| Mapping Accuracy | Centroid |
| Centroid Type | HUC8 |
| HUC8 Name | Long Island Sound |
| HUC8 Number | 02030203 |
| Map | |
| Collection Day | 29 |
| Collection Month | 8 |
| Collection Year | 1874 |
| Year Accuracy | Actual |
| Potential Pathway | shipping |
| Status | established |
| Comments | This record is from the U.S. National Museum under the name Carcinides maenas. |
| Record Type | Personal communication |
| Disposal | preserved |
| Museum Cat Number | USNM |
| Freshwater/Marine | Marine |
| Number Collected | 13 |
| Year Class | juvenile |
