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small inlet of North Bay; San Juan Island in the San Juan Archipelago, Washington, USA
latitude: 48.521667 48 31.3 N
longitude: -123.010002 123 0.6 W
Precision of location: Listed in reference
Site Named Here: Exact location from reference
| Raphidophallus actuosus | summer 1961, 1962; fall 1964 | intertidal | muddy sandy or gravel | from washings of Ulva |
| Diatomovora amoena | summer 1961, 1962; fall 1964 | intertidal | gravel mixed with muddy sand | from washings of Ulva, "samples collected at tide levels ranging from -1 to +4 feet generally contain" this species |
| Haploposthia erythrocephala | 2000 or earlier | gravel and muddy sand | from sediment washed from thalli of Ulva fenestrata and other algae at 0.5 and 1.5 above mean lower low water in inlet of North Bay. Holotype USNM 185987. |