Acirsa annectens A. W. B. Powell, 1951 accepted as
Gregorioiscala annectens (A. W. B. Powell, 1951) (original description)
Admete consobrina A. W. B. Powell, 1951 accepted as
Nothoadmete consobrina (A. W. B. Powell, 1951) (original description)
Amauropsis (Kerguelenatica) A. W. B. Powell, 1951 accepted as
Kerguelenatica A. W. B. Powell, 1951 (original description)
Antimargarita A. W. B. Powell, 1951 (original description)
Antitrichotropis A. W. B. Powell, 1951 accepted as
Torellia Jeffreys, 1867 (original description)
Belalora A. W. B. Powell, 1951 (original description)
Belalora thielei A. W. B. Powell, 1951 (original description)
Belaturricula A. W. B. Powell, 1951 (original description)
Brookula pfefferi A. W. B. Powell, 1951 accepted as
Benthobrookula pfefferi (A. W. B. Powell, 1951) (original description)
Brookula strebeli A. W. B. Powell, 1951 accepted as
Benthobrookula strebeli (A. W. B. Powell, 1951) (original description)
Cavineptunea A. W. B. Powell, 1951 (original description)
Cavineptunea monstrosa A. W. B. Powell, 1951 (original description)
Chlanidota paucispiralis A. W. B. Powell, 1951 (original description)
Chlanidota pilosa A. W. B. Powell, 1951 (original description)
Chlanidota signeyana A. W. B. Powell, 1951 (original description)
Colpospirella A. W. B. Powell, 1951 accepted as
Turritella Lamarck, 1799 (original description)
Colpospirella algida (Melvill & Standen, 1912) accepted as
Turritella algida Melvill & Standen, 1912 (basis of record)
Conorbela A. W. B. Powell, 1951 (original description)
Discotrichoconcha A. W. B. Powell, 1951 (original description)
Discotrichoconcha cornea A. W. B. Powell, 1951 accepted as
Torellia cornea (A. W. B. Powell, 1951) (original description)
Falsilunatia A. W. B. Powell, 1951 (original description)
Falsimargarita A. W. B. Powell, 1951 (original description)
Falsimohnia A. W. B. Powell, 1951 (original description)
Icoplax punicea (A. Gould, 1846) accepted as
Callochiton puniceus (A. Gould, 1846) (basis of record)
Kaitoa scaphandroides A. W. B. Powell, 1951 (original description)
Laevilacunaria A. W. B. Powell, 1951 (original description)
Laevilacunaria (Pellilacunella) A. W. B. Powell, 1951 accepted as
Laevilitorina (Pellilacunella) A. W. B. Powell, 1951 represented as
Laevilitorina Pfeffer, 1886 (original description)
Laevilacunaria (Pellilacunella) bennetti (Preston, 1916) accepted as
Laevilacunaria bennetti (Preston, 1916) (basis of record)
Laevilitorina (Corneolitorina) A. W. B. Powell, 1951 accepted as
Laevilitorina (Laevilitorina) Pfeffer, 1886 represented as
Laevilitorina Pfeffer, 1886 (original description)
Leptocollonia A. W. B. Powell, 1951 (original description)
Leptocollonia thielei A. W. B. Powell, 1951 (original description)
Leucosyrinx falklandica A. W. B. Powell, 1951 accepted as
Antarctospira falklandica (A. W. B. Powell, 1951) (original description)
Leucosyrinx paragenota A. W. B. Powell, 1951 accepted as
Bela angusteplicata Strebel, 1905 accepted as
Antarctospira angusteplicata (Strebel, 1905) (original description)
Leucosyrinx paratenoceras A. W. B. Powell, 1951 accepted as
Typhlodaphne paratenoceras (A. W. B. Powell, 1951) (original description)
Lorabela A. W. B. Powell, 1951 (original description)
Margarella bouvetia A. W. B. Powell, 1951 (original description)
Margarella jason A. W. B. Powell, 1951 (original description)
Margarella porcellana A. W. B. Powell, 1951 (original description)
Margarella tropidophoroides obsoleta A. W. B. Powell, 1951 accepted as
Margarella obsoleta A. W. B. Powell, 1951 (original description)
Miomelon scoresbyanum A. W. B. Powell, 1951 accepted as
Pachycymbiola scoresbyana (A. W. B. Powell, 1951) (original description)
Notoficula problematica A. W. B. Powell, 1951 accepted as
Parficulina problematica (A. W. B. Powell, 1951) (original description)
Paradmete percarinata A. W. B. Powell, 1951 (original description)
Pareuthria venustula A. W. B. Powell, 1951 (original description)
Parvaplustrum A. W. B. Powell, 1951 (original description)
Parvaplustrum tenerum A. W. B. Powell, 1951 (original description)
Philine falklandica A. W. B. Powell, 1951 accepted as
Antarctophiline falklandica (A. W. B. Powell, 1951) (original description)
Photinastoma A. W. B. Powell, 1951 (original description)
Pleurotomella anomalapex A. W. B. Powell, 1951 (original description)
Polinices patagonicus (R. A. Philippi, 1845) accepted as
Falsilunatia patagonica (R. A. Philippi, 1845) (basis of record)
Probuccinum angulatum A. W. B. Powell, 1951 (original description)
Probuccinum delicatulum A. W. B. Powell, 1951 (original description)
Proneptunea duplicarinata A. W. B. Powell, 1951 (original description)
Proneptunea fenestrata A. W. B. Powell, 1951 (original description)
Prosipho perversus A. W. B. Powell, 1951 accepted as
Antistreptus perversus (A. W. B. Powell, 1951) (original description)
Prosiphoninae A. W. B. Powell, 1951 accepted as
Prosiphonidae A. W. B. Powell, 1951 (original description)
Sinuber A. W. B. Powell, 1951 (original description)
Sinuber sculptum scotianum A. W. B. Powell, 1951 (original description)
Solariella kempi A. W. B. Powell, 1951 (original description)
Solariellinae A. W. B. Powell, 1951 accepted as
Solariellidae A. W. B. Powell, 1951 (original description)
Terenochiton kerguelensis (Haddon, 1886) accepted as
Leptochiton kerguelensis Haddon, 1886 (basis of record)
Trochita georgiana A. W. B. Powell, 1951 accepted as
Trochita pileolus (A. d'Orbigny, 1841) (original description)
Tromina bella A. W. B. Powell, 1951 accepted as
Falsitromina bella (A. W. B. Powell, 1951) (original description)
Tromina fenestrata A. W. B. Powell, 1951 accepted as
Falsitromina fenestrata (A. W. B. Powell, 1951) (original description)
Tromina simplex A. W. B. Powell, 1951 accepted as
Falsitromina simplex (A. W. B. Powell, 1951) (original description)
Tromina tricarinata A. W. B. Powell, 1951 accepted as
Falsitromina tricarinata (A. W. B. Powell, 1951) (original description)
Trophon (Fuegotrophon) A. W. B. Powell, 1951 accepted as
Fuegotrophon A. W. B. Powell, 1951 (original description)
Trophon (Stramonitrophon) A. W. B. Powell, 1951 accepted as
Trophon Montfort, 1810 (original description)
Trophon cuspidarioides A. W. B. Powell, 1951 accepted as
Enixotrophon cuspidarioides (A. W. B. Powell, 1951) (original description)
Trophon echinolamellatus A. W. B. Powell, 1951 accepted as
Trophonella echinolamellata (A. W. B. Powell, 1951) (original description)
Trophon poirieria A. W. B. Powell, 1951 accepted as
Enixotrophon poirieria (A. W. B. Powell, 1951) (original description)
Trophon scotianus A. W. B. Powell, 1951 accepted as
Trophonella scotiana (A. W. B. Powell, 1951) (original description)
Trophon shackletoni paucilamellatus A. W. B. Powell, 1951 accepted as
Trophon paucilamellatus A. W. B. Powell, 1951 (original description)
Tropidomarga A. W. B. Powell, 1951 (original description)
Tropidomarga biangulata A. W. B. Powell, 1951 (original description)
Turritellopsis thielei A. W. B. Powell, 1951 (original description)
Typhlodaphne A. W. B. Powell, 1951 (original description)
Typhlodaphne strebeli A. W. B. Powell, 1951 (original description)
Venustatrochus A. W. B. Powell, 1951 (original description)
Venustatrochus georgianus A. W. B. Powell, 1951 (original description)
Xymenopsis A. W. B. Powell, 1951 (original description)
Xymenopsis albidus (R. A. Philippi, 1846) accepted as
Xymenopsis buccineus (Lamarck, 1816) (basis of record)