• Heterocapsa arctica Horiguchi, 1997
• Heterocapsa chattonii (Biecheler) P.H. Campbell, 1973
• Heterocapsa circularisquama Horiguchi, 1995
• Heterocapsa horiguchii Iwataki, Takayama & Matsuoka, 2002
• Heterocapsa illdefina (Herman & Sweeney) Morrill & A.R. Loeblich III, 1981
• Heterocapsa kollmeriana M.J. Swift & McLaughlin, 1970
• Heterocapsa lanceolata Iwataki & Fukuyo, 2002
• Heterocapsa minima A.J. Pomroy, 1989
• Heterocapsa niei (A.R. Loeblich III) Morrill & A.R. Loeblich III, 1981
• Heterocapsa orientalis Iwataki, Botes & Fukuyo, 2003
• Heterocapsa ovata Iwataki & Fukuyo, 2003
• Heterocapsa pacifica Kofoid, 1907
• Heterocapsa psammophila Tamura, Iwataki & Horiguchi, 2006
• Heterocapsa pseudotriquetra Iwataki, G. Hansen & Fukuyo, 2002
• Heterocapsa pygmaea A.R. Loeblich III, R.J. Schmidt & Sherley, 1981
• Heterocapsa quadridentata Stein
• Heterocapsa quinquecuspidata Massart, 1920 accepted as
• Heterocapsa rotundata (Lohmann) G. Hansen, 1995
• Heterocapsa triquetra (Ehrenberg) F. Stein, 1883
• Heterocapsa umbilicata Stein, 1883
• Liasidium variabile Drugg, 1978 †
• Parvocysta bjaerkei M. Smelror, 1987 †
• Reutlingia gochtii Drugg, 1978 †
• Susadinium serofoides Dörhöfer & Davies, 1980 †