Grantessa thompsoni (Lambe, 1900) accepted as Sycettusa thompsoni (Lambe, 1900)
Grantia arctica (Haeckel, 1872)
Grantia canadensis Lambe, 1896
Heteropia rodgeri Lambe, 1900
Leucosolenia botryoides (Ellis & Solander, 1786)
Leucosolenia cancellata Verrill, 1873 accepted as Clathrina cancellata (Verrill, 1873)
Leucosolenia convallaria (Haeckel, 1872) accepted as Ernstia gracilis (Haeckel, 1872) accepted as Ascilla gracilis Haeckel, 1872
Scypha ciliata (Fabricius, 1780) accepted as Sycon ciliatum (Fabricius, 1780)
Scypha protecta (Lambe, 1896) accepted as Sycon protectum Lambe, 1896 accepted as Grantia arctica (Haeckel, 1872)
Sycettusa thompsoni (Lambe, 1900)
Sycon ciliatum (Fabricius, 1780)
Sycon lambei Dendy & Row, 1913
Sycon lingua (Haeckel, 1870)
Sycon protectum Lambe, 1896 accepted as Grantia arctica (Haeckel, 1872)