Andvakia Danielssen, 1890 (additional source)
Anemonactis Andres, 1881 (additional source)
Antholoba achates (Drayton in Dana, 1846) (additional source)
Calamactis praelonga Carlgren, 1951 (additional source)
Halcampoides Danielssen, 1890 (additional source)
Haloclava Verrill, 1899 (additional source)
Harenactis argentina Lauretta, Rodríguez & Penchaszadeh, 2011 (original description)
Harenactis attenuata Torrey, 1902 (additional source)
Metridium senile lobatum (Carlgren, 1899) accepted as Actinothoe lobata (Carlgren, 1899) (additional source)
Neoparacondylactis haraldoi Zamponi, 1974 (additional source)
Parabunodactis imperfecta Zamponi & Acuña, 1992 (additional source)
Parahalcampa antarctica Carlgren, 1927 (additional source)
Peachia hastata Gosse, 1855 (additional source)
Peachia koreni McMurrich, 1893 (additional source)
Pelocoetes Annandale, 1915 (additional source)
Phytocoetes Annandale, 1915 (additional source)
Phytocoetopsis accepted as Phytocoeteopsis Panikkar, 1936 (additional source)
Scolanthus intermedius (McMurrich, 1893) (additional source)
Stephensonactis Panikkar, 1936 (additional source)

Argentinean Exclusive Economic Zone for Antholoba achates (Drayton in Dana, 1846) 
Argentinean Exclusive Economic Zone for Harenactis argentina Lauretta, Rodríguez & Penchaszadeh, 2011 
Argentinean Exclusive Economic Zone for Harenactis argentina Lauretta, Rodríguez & Penchaszadeh, 2011 
Argentinean Exclusive Economic Zone for Metridium senile lobatum (Carlgren, 1899) 
Argentinean Exclusive Economic Zone for Parabunodactis imperfecta Zamponi & Acuña, 1992 

Paratype MLP 8791, geounit Argentinean Exclusive Economic Zone, identified as Harenactis argentina Lauretta, Rodríguez & Penchaszadeh, 2011
Holotype MACN IN 39376, geounit Argentinean Exclusive Economic Zone, identified as Harenactis argentina Lauretta, Rodríguez & Penchaszadeh, 2011
Nontype AMNH not given, geounit Argentinean Exclusive Economic Zone, identified as Harenactis argentina Lauretta, Rodríguez & Penchaszadeh, 2011