Amphorellopsis Kofoid & Campbell, 1929 (original description)
Bursaopsis Kofoid & Campbell, 1929 (original description)
Codonellopsidae Kofoid & Campbell, 1929 (original description)
Codonellopsis gaussi (Laackmann, 1907) (new combination reference)
Codonellopsis glacialis (Laackmann, 1907) Kofoid & Campbell, 1929 (new combination reference)
Dadayiella Kofoid & Campbell, 1929 (original description)
Daturella Kofoid & Campbell, 1929 (basis of record)
Daturella Kofoid & Campbell, 1929 (original description)
Epiplocylididae Kofoid & Campbell, 1939 (original description)
Laackmanniella Kofoid & Campbell, 1929 (original description)
Laackmanniella naviculaefera (Laackmann, 1907) Kofoid & Campbell, 1929 (new combination reference)
Metacylididae Kofoid & Campbell, 1929 (original description)
Petalotrichidae Kofoid & Campbell, 1929 (additional source)
Proplectella Kofoid & Campbell, 1929 (original description)
Proplectella claparedei (Entz, 1885) (new combination reference)
Protocymatocylis Kofoid & Campbell, 1929 (original description)
Ptychocylididae Kofoid & Campbell, 1929 (original description)
Ptychocylis ostenfeldi Kofoid & Campbell, 1929 (original description)
Ptychocylis wailesi Koifoid & Campbell, 1929 (original description)
Rhabdonellidae Kofoid & Campbell, 1929 (basis of record)
Salpingella acuminatoides (Laackmann) Kofoid & Campbell, 1929 (new combination reference)
Tintinnina (original description)
Undellidae Kofoid & Campbell, 1929 (original description)
Xystonellidae Kofoid & Campbell, 1929 (original description)