Amauropsis anderssoni (Strebel, 1906) (additional source)
Amauropsis aureolutea (Strebel, 1908) (additional source)
Amauropsis powelli Dell, 1990 (additional source)
Euspira constricta (Dall, 1908) (additional source)
Euspira falklandica (Preston, 1913) accepted as Falsilunatia falklandica (Preston, 1913) (additional source)
Euspira patagonica (R. A. Philippi, 1845) (basis of record)
Euspira strebeli (Dall, 1908) (additional source)
Falsilunatia soluta (A. Gould, 1847) (status source)
Kerguelenatica bioperculata Dell, 1990 accepted as Kerguelenatica delicatula (E. A. Smith, 1902) (additional source)
Natica dilecta A. Gould, 1848 (status source)
Natica limbata A. d'Orbigny, 1839 accepted as Falsilunatia limbata (d'Orbigny, 1839) (additional source)
Natica magellanica Hombron & Jacquinot, 1854 accepted as Euspira patagonica (R. A. Philippi, 1845) (source of synonymy)
Natica obturata R. A. Philippi, 1855 accepted as Tectonatica impervia (R. A. Philippi, 1845) (source of synonymy)
Natica recognita Mabille & Rochebrune, 1889 accepted as Euspira patagonica (R. A. Philippi, 1845) (source of synonymy)
Natica subantarctica Preston, 1913 accepted as Euspira patagonica (R. A. Philippi, 1845) (source of synonymy)
Notocochlis isabelleana (A. d'Orbigny, 1841) (additional source)
Polinices (Euspira) vaginatus Dall, 1908 accepted as Euspira patagonica (R. A. Philippi, 1845) (source of synonymy)
Tectonatica impervia (R. A. Philippi, 1845) (additional source)

 Status

 for Euspira strebeli (Dall, 1908)

Natica dilecta Gould, 1848 may be an earlier name for this species [details]

 Status

 for Natica dilecta A. Gould, 1848

Possibly an older name for Euspira strebeli (Dall, 1908). [details]

 Taxonomic remark

 for Euspira patagonica (R. A. Philippi, 1845)

Considered a synonym of Falsilunatia soluta by Torigoe & Inaba, 2011 - but see detailed study of Pastorino, 2005 [details]

 Taxonomic remark

 for Falsilunatia patagonica (R. A. Philippi, 1845)

Torigoe & Inaba, 2011 considered Euspira patagonica and Falsilunatia soluta to be synonyms - see the detailed study ... [details]