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Mackerel Cove, Swan's (Swans) Island, Maine, USA
latitude: 44.178001
longitude: -68.422096
Precision of location: Gauged from chart or map
Site Named Here: By name of island, bay, strait, lake, river, or stream, etc., named in source publication
| Isodiametra pulchra | 1991 or earlier | mid tide level | muddy sand | Top 2cm of sediment removed for collecting specimens. |