Asajirus arcticus (Hartmeyer, 1923)
Eugyra glutinans (Moeller, 1842)
Eugyra peduculata Traustedt, 1886 accepted as Molgula pedunculata (Herdman, 1881)
Molgula citrina Alder & Hancock, 1848
Molgula complanata Alder & Hancock, 1870
Molgula griffithsii (MacLeay, 1825)
Molgula manhattensis (De Kay, 1843)
Molgula pedunculata (Herdman, 1881)
Molgula retortiformis Verrill, 1871
Molgula roemeri Hartmeyer, 1903 accepted as Molgula romeri Hartmeyer, 1903
Molgula romeri Hartmeyer, 1903
Molgula siphonalis Kiaer, 1896
Oligotrema arcticus Hartmeyer, 1923 accepted as Asajirus arcticus (Hartmeyer, 1923)
Rhizomolgula globularis (Pallas, 1776)