Acmaea subrugosa A. d'Orbigny, 1841 accepted as Lottia subrugosa (A. d'Orbigny, 1841) (original description)
Alecto eburnea d'Orbigny, 1842 accepted as Stomatopora eburnea (d'Orbigny, 1842) (original description)
Arca americana A. d'Orbigny, 1846 accepted as Lamarcka imbricata (Bruguière, 1789) (original description)
Arca sowerbyi A. d'Orbigny, 1846 accepted as Anadara biangulata (G. B. Sowerby I, 1833) (original description)
Bicellaria puelcha d'Orbigny, 1841 accepted as Scrupocellaria puelcha (d'Orbigny, 1841) (original description)
Bulla acuta A. d'Orbigny, 1841 accepted as Volvulella minuta (K. J. Bush, 1885) (original description)
Bursa thomae (A. d'Orbigny, 1847) accepted as Lampasopsis thomae (A. d'Orbigny, 1847) (original description)
Canda patagonica d'Orbigny, 1842 accepted as Caberea patagonica (d'Orbigny, 1842) (original description)
Cardita laticosta A. d'Orbigny, 1845 accepted as Cardites laticostatus (G. B. Sowerby I, 1833) (original description)
Cardita malouinae A. d'Orbigny, 1845 accepted as Carditopsis malvinae (A. d'Orbigny, 1842) (original description)
Cellaria ornata d'Orbigny, 1842 (original description)
Chemnitzia cora A. d'Orbigny, 1840 accepted as Turbonilla cora (A. d'Orbigny, 1840) (original description)
Chemnitzia fasciata A. d'Orbigny, 1840 accepted as Turbonilla fasciata (A. d'Orbigny, 1840) (original description)
Chiton bicostatus A. d'Orbigny, 1841 accepted as Callistochiton pulchellus (Gray, 1828) (original description)
Chiton inca A. d'Orbigny, 1841 accepted as Ischnochiton stramineus (G. B. Sowerby I, 1832) (original description)
Chiton isabellei A. d'Orbigny, 1841 accepted as Chaetopleura (Chaetopleura) isabellei (A. d'Orbigny, 1841) represented as Chaetopleura isabellei (A. d'Orbigny, 1841) (original description)
Columbella sordida A. d'Orbigny, 1841 accepted as Alia unifasciata (G. B. Sowerby I, 1832) (original description)
Crepidula protea A. d'Orbigny, 1841 (original description)
Criserpia dichotoma d'Orbigny, 1842 accepted as Diastopora dichotoma (d'Orbigny, 1842) (original description)
Crisia patagonica d'Orbigny, 1841 (original description)
Crisidia edwardsiana d'Orbigny, 1841 accepted as Bicrisia edwardsiana (d'Orbigny, 1841) (original description)
Donacilla chilensis A. d'Orbigny, 1845 accepted as Mesodesma donacium (Lamarck, 1818) (original description)
Donacilla solenoides A. d'Orbigny, 1845 accepted as Amarilladesma mactroides (Reeve, 1854) (original description)
Donax obesa A. d'Orbigny, 1845 accepted as Donax obesus A. d'Orbigny, 1845 (original description)
Dynamena pulchella d'Orbigny, 1842 accepted as Amphisbetia operculata (Linnaeus, 1758) (original description)
Escharina alvareziana d'Orbigny, 1842 accepted as Umbonula alvareziana (d'Orbigny, 1842) (original description)
Escharina armata d'Orbigny, 1842 accepted as Microporella diademata (Lamouroux, 1825) (original description)
Escharina bougainvillei d'Orbigny, 1842 accepted as Antarctothoa bougainvillei (d'Orbigny, 1842) (original description)
Escharina brongniartiana d'Orbigny, 1842 accepted as Celleporella hyalina (Linnaeus, 1767) (original description)
Escharina chilina d'Orbigny, 1842 accepted as Celleporella chilina (d'Orbigny, 1842) (original description)
Escharina cornuta d'Orbigny, 1841 accepted as Fenestrulina cornuta (d'Orbigny, 1841) (original description)
Escharina costata d'Orbigny, 1842 (original description)
Escharina edwardsiana d'Orbigny, 1841 accepted as Buffonella edwardsiana (d'Orbigny, 1841) (original description)
Escharina elegans d'Orbigny, 1841 (original description)
Escharina isabelleana d'Orbigny, 1842 accepted as Schizoporella isabelleana (d'Orbigny, 1842) (original description)
Escharina peruviana d'Orbigny, 1842 accepted as Micropora peruviana d'Orbigny, 1842 (original description)
Escharina regularis d'Orbigny, 1842 accepted as Microporella regularis (d'Orbigny, 1842) (original description)
Escharina rimulata d'Orbigny, 1842 accepted as Smittoidea reticulata (MacGillivray, 1842) (original description)
Escharina simplex d'Orbigny, 1841 accepted as Buffonella simplex (d'Orbigny, 1841) (original description)
Escharina torquata d'Orbigny, 1842 accepted as Watersipora subtorquata (d'Orbigny, 1852) (original description)
Eucratea ambigua d'Orbigny, 1841 accepted as Scruparia ambigua (d'Orbigny, 1841) (original description)
Fasciculipora ramosa d'Orbigny, 1842 (original description)
Flustra isabelleana d'Orbigny, 1842 accepted as Membranipora isabelleana (d'Orbigny, 1842) (original description)
Flustra puelcha d'Orbigny, 1842 accepted as Biflustra puelcha (d'Orbigny, 1842) (original description)
Flustra tehuelca d'Orbigny, 1839 accepted as Jellyella tuberculata (Bosc, 1802) (basis of record)
Flustra tehuelcha d'Orbigny, 1842 accepted as Jellyella tuberculata (Bosc, 1802) (original description)
Fusus fontainei A. d'Orbigny, 1841 accepted as Aeneator fontainei (A. d'Orbigny, 1839) (original description)
Idmonea milneana d'Orbigny, 1842 accepted as Nevianipora milneana (d'Orbigny, 1842) (original description)
Leda ornata A. d'Orbigny, 1845 (original description)
Lucina semireticulata A. d'Orbigny, 1846 accepted as Phlyctiderma semiasperum (R. A. Philippi, 1836) (original description)
Mactra isabelleana A. d'Orbigny, 1846 (original description)
Mactra petitii A. d'Orbigny, 1846 (original description)
Membranipora echinata d'Orbigny, 1842 (original description)
Membranipora irregularis d'Orbigny, 1842 accepted as Alderina irregularis (d'Orbigny, 1842) (original description)
Membranipora simplex d'Orbigny, 1842 (original description)
Membranipora spinosa d'Orbigny, 1842 (original description)
Mitra inca A. d'Orbigny, 1841 (original description)
Mycetopus [sic] accepted as Mycetopoda A. d'Orbigny, 1835 (basis of record)
Mytilus chenuanus A. d'Orbigny, 1846 accepted as Gregariella chenui (Récluz, 1842) (original description)
Nassa fontainei A. d'Orbigny, 1841 accepted as Nassarius exilis (Powys, 1835) (original description)
Pecten inca A. d'Orbigny, 1846 accepted as Argopecten ventricosus (G. B. Sowerby II, 1842) (original description)
Pectunculus minor A. d'Orbigny, 1846 accepted as Tucetona chemnitzii (Dall, 1909) (original description)
Petricola patagonica A. d'Orbigny, 1845 accepted as Petricola dactylus G. B. Sowerby I, 1823 (original description)
Pholas caribaea A. d'Orbigny, 1846 accepted as Martesia cuneiformis (Say, 1822) (original description)
Pholas gibbosa A. d'Orbigny, 1846 accepted as Xylophaga globosa G. B. Sowerby I, 1835 (original description)
Pileopsis ungaricoides A. d'Orbigny, 1841 accepted as Capulus ungaricoides (A. d'Orbigny, 1841) (original description)
Pleurotoma elatior A. d'Orbigny, 1842 accepted as Nannodiella elatior (A. d'Orbigny, 1842) (original description)
Plicatula barbadensis A. d'Orbigny, 1846 accepted as Plicatula gibbosa Lamarck, 1801 (original description)
Plumularia patagonica d'Orbigny, 1842 (original description)
Plumularia simplex d'Orbigny, 1842 accepted as Aglaophenia simplex (d'Orbigny, 1842) (original description)
Ranella kingii A. d'Orbigny, 1841 accepted as Argobuccinum pustulosum ([Lightfoot], 1786) (original description)
Scalaria brevis A. d'Orbigny, 1841 accepted as Brookula brevis (A. d'Orbigny, 1841) (original description)
Scalaria echinaticosta A. d'Orbigny, 1842 accepted as Cycloscala echinaticosta (A. d'Orbigny, 1842) (original description)
Sertularia milneana d'Orbigny, 1842 accepted as Symplectoscyphus milneanus (D'Orbigny, 1842) (original description)
Sertularia patagonica D'Orbigny, 1842 accepted as Sertularella patagonica (D'Orbigny, 1846) (original description)
Solecurtus platensis A. d'Orbigny, 1846 accepted as Tagelus plebeius ([Lightfoot], 1786) (original description)
Terebra patagonica A. d'Orbigny, 1839 accepted as Duplicaria gemmulata (Kiener, 1837) (original description)
Thoa Edwardsiana d'Orbigny, 1842 accepted as Halecium edwardsianum (d'Orbigny, 1842) (original description)
Thoa Lamourouxiana d'Orbigny, 1842 accepted as Halecium lamourouxianum (d'Orbigny, 1842) (original description)
Thoa patagonica d'Orbigny, 1842 accepted as Halecium patagonicum (d'Orbigny, 1842) (original description)
Thoa tehuelcha d'Orbigny, 1842 accepted as Halecium tehuelchum (d'Orbigny, 1842) (original description)
Thracia rugosa A. d'Orbigny, 1846 accepted as Thracia similis Couthouy, 1839 (original description)
Tricellaria aculeata d'Orbigny, 1842 (original description)
Tubularia arbuscula d'Orbigny, 1842 (original description)
Tubularia fasciculata d'Orbigny, 1842 (original description)
Tubularia rugosa d'Orbigny, 1842 (original description)
Tubulipora clypeiformis d'Orbigny, 1842 accepted as Disporella clypeiformis (d'Orbigny, 1842) (original description)
Tubulipora organisans d'Orbigny, 1842 (original description)
Turbinella brasiliana A. d'Orbigny, 1841 accepted as Leucozonia nassa (Gmelin, 1791) (original description)
Vincularia elegans d'Orbigny, 1842 accepted as Ogivalia elegans (d'Orbigny, 1842) (original description)
Vincularia pentagona d'Orbigny, 1842 accepted as Galeopsis pentagonus (d'Orbigny, 1842) (original description)
Voluta festiva A. d'Orbigny, 1841 accepted as Adelomelon (Adelomelon) beckii (Broderip, 1836) accepted as Adelomelon beckii (Broderip, 1836) (original description)

Argentinean Exclusive Economic Zone for Halecium patagonicum (d'Orbigny, 1842) 
Argentinean Exclusive Economic Zone for Thoa Lamourouxiana d'Orbigny, 1842 
Argentinean part of the South Atlantic Ocean for Halecium tehuelchum (d'Orbigny, 1842) 
Chilean Exclusive Economic Zone for Capulus ungaricoides (A. d'Orbigny, 1841) 
Patagonia for Thoa Edwardsiana d'Orbigny, 1842 

 Type locality

 for Halecium lamourouxianum (d'Orbigny, 1842)

Bahaia Bros, south of Rio Negro, Argentina. [details]

 Type locality

 for Thoa Edwardsiana d'Orbigny, 1842

Ensenada de Ross, south of Rio Negro, Argentina [details]

 Type locality

 for Thoa patagonica d'Orbigny, 1842

Bahia de Ros south of Rio Negro, Argentina. [details]

 Type locality

 for Thoa tehuelcha d'Orbigny, 1842

Close to mouth of Rio Negro, Argentina. [details]