Cliona vastifica Hancock, 1849 accepted as Pione vastifica (Hancock, 1849) (additional source)
Halichondria panicea (Pallas, 1766) represented as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Halichondria sitiens (Schmidt, 1870) represented as Halichondria (Eumastia) sitiens (Schmidt, 1870) (additional source)
Halisarca dujardinii Johnston, 1842 (additional source)
Isodictya deichmannae (de Laubenfels, 1949) (additional source)
Isodictya palmata (Ellis & Solander, 1786) (additional source)
Leucosolenia botryoides (Ellis & Solander, 1786) (additional source)
Microciona prolifera (Ellis & Solander, 1786) accepted as Clathria (Clathria) prolifera (Ellis & Solander, 1786) (additional source)
Mycale ovulum (Schmidt, 1870) accepted as Amphilectus ovulum (Schmidt, 1870) (additional source)
Polymastia robusta Bowerbank, 1862 accepted as Polymastia boletiformis (Lamarck, 1815) (additional source)
Scypha ciliata (Fabricius, 1780) accepted as Sycon ciliatum (Fabricius, 1780) (additional source)
Suberites ficus (Johnston, 1842) (additional source)
Sycon ciliatum (Fabricius, 1780) (additional source)

Cobscook Bay for Cliona vastifica Hancock, 1849 
Cobscook Bay for Iophon nigricans (Bowerbank, 1858) 
Cobscook Bay for Isodictya deichmannae (de Laubenfels, 1949) 
Cobscook Bay for Isodictya palmata (Ellis & Solander, 1786) 
Cobscook Bay for Leucosolenia botryoides (Ellis & Solander, 1786) 
Cobscook Bay for Microciona prolifera (Ellis & Solander, 1786) 
Cobscook Bay for Polymastia robusta Bowerbank, 1862 
Cobscook Bay for Scypha ciliata (Fabricius, 1780) 
Gulf of Maine/Bay of Fundy for Halichondria sitiens (Schmidt, 1870) 
Gulf of Maine/Bay of Fundy for Leucosolenia botryoides (Ellis & Solander, 1786) 
Gulf of Maine/Bay of Fundy for Suberites ficus (Johnston, 1842)