Achelia spinosa (Stimpson, 1853) (additional source)
Anoplodactylus lentus Wilson, 1878 (additional source)
Nymphon grossipes (Fabricius, 1780) (additional source)
Nymphon hirtipes Bell, 1855 (additional source)
Nymphon longitarse Krøyer, 1844 (additional source)
Nymphon stroemi Krøyer, 1844 (additional source)
Phoxichilidium femoratum (Rathke, 1799) (additional source)
Pseudopallene circularis (Goodsir, 1842) (additional source)
Pseudopallene discoidea (Krøyer, 1844) accepted as Pseudopallene circularis (Goodsir, 1842) (basis of record)
Pseudopallene hispida (Stimpson, 1853) accepted as Pseudopallene circularis (Goodsir, 1842) (basis of record)
Pycnogonum littorale (Strøm, 1762) accepted as Pycnogonum litorale (Strøm, 1762) (additional source)
Tanystylum orbiculare Wilson, 1878 (additional source)

Cobscook Bay for Achelia spinosa (Stimpson, 1853) 
Cobscook Bay for Anoplodactylus lentus Wilson, 1878 
Cobscook Bay for Nymphon grossipes (Fabricius, 1780) 
Cobscook Bay for Nymphon hirtipes Bell, 1855 
Cobscook Bay for Nymphon longitarse Krøyer, 1844 
Cobscook Bay for Nymphon stroemi Krøyer, 1844 
Cobscook Bay for Phoxichilidium femoratum (Rathke, 1799) 
Cobscook Bay for Pseudopallene circularis (Goodsir, 1842) 
Cobscook Bay for Pseudopallene discoidea (Krøyer, 1844) 
Cobscook Bay for Pseudopallene hispida (Stimpson, 1853) 
Cobscook Bay for Pycnogonum littorale (Strøm, 1762) 
Cobscook Bay for Tanystylum orbiculare Wilson, 1878