Brachiomonas simplex T.E.Hazen, 1922 (basis of record)
Chlamydomonas pulsatilla H.W.Wollenweber, 1926 (basis of record)
Choanocystis (basis of record)
Choanocystis aculeata (Hertwig & Lesser) Roijackers & Siemensma, 1988 (basis of record)
Chromadorita fennica Jensen, 1979 (basis of record)
Cothurnia coarctata Kahl, 1933 (basis of record)
Dunaliella primolecta Butcher, 1959 (basis of record)
Eumonhystera filiformis (Bastian, 1865) Andrássy, 1981 (basis of record)
Holophrya haplostoma André, 1916 (basis of record)
Massisteria Larsen & Patterson, 1990 (basis of record)
Massisteria marina Larsen & Patterson, 1990 (basis of record)
Nitocra spinipes Boeck, 1865 represented as Nitocra spinipes spinipes Boeck, 1865 (basis of record)
Paracanthonchus bothnicus Schiemer et al., 1983 (basis of record)
Paraphysomonas foraminifera I.A.N.Lucas, 1967 (basis of record)
Peridiniella catenata (Levander) Balech, 1977 (additional source)
Rotalia beccarii (Linnaeus, 1758) accepted as Ammonia beccarii (Linnaeus, 1758) (basis of record)
Zoothamnium elegans d'Udekem, 1862 (basis of record)