Biemna variantia (Bowerbank, 1858) (additional source)
Clathrina cancellata (Verrill, 1873) (additional source)
Clathrina coriacea (Montagu, 1814) (additional source)
Cliona celata Grant, 1826 (additional source)
Cliona lobata Hancock, 1849 (additional source)
Cliona vastifica Hancock, 1849 accepted as Pione vastifica (Hancock, 1849) (additional source)
Craniella cranium (Müller, 1776) (additional source)
Grantia canadensis Lambe, 1896 (additional source)
Halichondria bowerbanki Burton, 1930 represented as Halichondria (Halichondria) bowerbanki Burton, 1930 (additional source)
Halichondria panicea (Pallas, 1766) represented as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Haliclona oculata (Linnaeus, 1759) represented as Haliclona (Haliclona) oculata (Linnaeus, 1759) (additional source)
Halisarca dujardinii Johnston, 1842 (additional source)
Iophon hyndmani (Bowerbank, 1858) (additional source)
Leucosolenia botryoides (Ellis & Solander, 1786) (additional source)
Myxilla fimbriata (Bowerbank, 1866) represented as Myxilla (Myxilla) fimbriata (Bowerbank, 1866) (additional source)
Myxilla incrustans (Johnston, 1842) represented as Myxilla (Myxilla) incrustans (Johnston, 1842) (additional source)
Phakellia ventilabrum (Linnaeus, 1767) (additional source)
Polymastia mamillaris (Müller, 1806) (additional source)
Polymastia robusta Bowerbank, 1862 accepted as Polymastia boletiformis (Lamarck, 1815) (additional source)
Prosuberites epiphytum sensu Topsent, 1900 accepted as Protosuberites denhartogi van Soest & de Kluijver, 2003 (additional source)
Sycon ciliatum (Fabricius, 1780) (additional source)

Celtic Seas for Biemna variantia (Bowerbank, 1858) 
Celtic Seas for Clathrina cancellata (Verrill, 1873) 
Celtic Seas for Clathrina coriacea (Montagu, 1814) 
Celtic Seas for Cliona celata Grant, 1826 
Celtic Seas for Cliona lobata Hancock, 1849 
Celtic Seas for Cliona vastifica Hancock, 1849 
Celtic Seas for Craniella cranium (Müller, 1776) 
Celtic Seas for Grantia canadensis Lambe, 1896 
Celtic Seas for Halichondria bowerbanki Burton, 1930 
Celtic Seas for Halichondria panicea (Pallas, 1766) 
Celtic Seas for Halisarca dujardinii Johnston, 1842 
Celtic Seas for Iophon hyndmani (Bowerbank, 1858) 
Celtic Seas for Leucosolenia botryoides (Ellis & Solander, 1786) 
Celtic Seas for Myxilla fimbriata (Bowerbank, 1866) 
Celtic Seas for Myxilla incrustans (Johnston, 1842) 
Celtic Seas for Phakellia ventilabrum (Linnaeus, 1767) 
Celtic Seas for Polymastia mamillaris (Müller, 1806)  (inaccurate)
Celtic Seas for Polymastia robusta Bowerbank, 1862 
Celtic Seas for Sycon ciliatum (Fabricius, 1780) 

 Distribution

 for Clathrina cancellata (Verrill, 1873)

Type Locality: Casco Bay, Atlantic Ocean, USA. Reported from Roscoff, Atlantic coast of France by Borojevic et al. ... [details]