Taxonomic names from H. A. Pilsbry and A.A. Olsson 1941

  • Acteocina puruha, H. A. Pilsbry and A.A. Olsson 1941 [Cylichnidae]
  • Aesopus (Glyptaesopus) perornatus, H. A. Pilsbry and A.A. Olsson 1941 [Columbellidae]
  • Aesopus polylophus, H. A. Pilsbry and A.A. Olsson 1941 [Columbellidae]
  • Anomalocardia callistoides, H. A. Pilsbry and A.A. Olsson 1941 [Veneridae]
  • Arca (Argina) (Gray) [Arcidae]
  • Arca (Cunearca) esmeralda, H. A. Pilsbry and A.A. Olsson 1941 [Arcidae]
  • Arca (Larkinia) (Reinhart 1935) [Arcidae]
  • Arca (Scapharca) ecuadoriana, H. A. Pilsbry and A.A. Olsson 1941 [Arcidae]
  • Arca (Scapharca) hopkinsi, H. A. Pilsbry and A.A. Olsson 1941 [Arcidae]
  • Arca (Scapharca) wheeleri, H. A. Pilsbry and A.A. Olsson 1941 [Arcidae]
  • Cadulus (Gadilopsis), Woodring 1925 [Gadilidae]
  • Cadulus (Gadilopsis) leptodoma, H. A. Pilsbry and A.A. Olsson 1941 [Gadilidae]
  • Cadulus (Polyschides) quitus, H. A. Pilsbry and A.A. Olsson 1941 [Gadilidae]
  • Caecum campe, H. A. Pilsbry and A.A. Olsson 1941 [Caecidae]
  • Calliostoma nonurum, H. A. Pilsbry and A.A. Olsson 1941 [Trochidae]
  • Cancellaria (Cancellaria), Lamarck 1799 [Cancellariidae]
  • Cancellaria (Cancellaria) cominella, H. A. Pilsbry and A.A. Olsson 1941 [Cancellariidae]
  • Cancellaria (Cancellaria) dolioides, H. A. Pilsbry and A.A. Olsson 1941 [Cancellariidae]
  • Cancellaria (Cancellaria) jijipana, H. A. Pilsbry and A.A. Olsson 1941 [Cancellariidae]
  • Cancellaria (Cancellaria) yolandia, H. A. Pilsbry and A.A. Olsson 1941 [Cancellariidae]
  • Cancellaria (Euclia) cassidiformis (G. B. Sowerby 1832) [Cancellariidae]
  • Cancellaria (Euclia) harpiformis, H. A. Pilsbry and A.A. Olsson 1941 [Cancellariidae]
  • Cancellaria (Narona) (H. Adams and A. Adams 1854) [Cancellariidae]
  • Cancellaria (Narona) pajana, H. A. Pilsbry and A.A. Olsson 1941 [Cancellariidae]
  • Cancellaria (Olivia) () [Cancellariidae]
  • Cancellaria (Olivia) cumingiana (Petit de la Saussaye 1844) [Cancellariidae]
  • Cancellaria (Tribia) bahia, H. A. Pilsbry and A.A. Olsson 1941 [Cancellariidae]
  • Cardium (Trigoniocardia) (Dall 1900) [Cardiidae]
  • Cardium (Trigoniocardia) ballenium, H. A. Pilsbry and A.A. Olsson 1941 [Cardiidae]
  • Cardium (Trigoniocardia) cabopasadum, H. A. Pilsbry and A.A. Olsson 1941 [Cardiidae]
  • Chione (Chionopsis) jamaniana, H. A. Pilsbry and A.A. Olsson 1941 [Veneridae]
  • Chione (Chionopsis) manabia, H. A. Pilsbry and A.A. Olsson 1941 [Veneridae]
  • Chione (Chionopsis) traftoni, H. A. Pilsbry and A.A. Olsson 1941 [Veneridae]
  • Chione (Chionopsis) venadoensis, H. A. Pilsbry and A.A. Olsson 1941 [Veneridae]
  • Chione (Lirophora) (Conrad 1863) [Veneridae]
  • Chione (Lirophora) gorgona, H. A. Pilsbry and A.A. Olsson 1941 [Veneridae]
  • Circulus occidentalis, H. A. Pilsbry and A.A. Olsson 1941 [Vitrinellidae]
  • Clathrodrillia noventa, H. A. Pilsbry and A.A. Olsson 1941 [Drilliidae]
  • Clathrodrillia woodringi, H. A. Pilsbry and A.A. Olsson 1941 [Drilliidae]
  • Corbula ecuabula, H. A. Pilsbry and A.A. Olsson 1941 [Corbulidae]
  • Crassinella clementia, H. A. Pilsbry and A.A. Olsson 1941 [Crassatellidae]
  • Crassinella haylocki, H. A. Pilsbry and A.A. Olsson 1941 [Crassatellidae]
  • Crassispira guayana, H. A. Pilsbry and A.A. Olsson 1941 [Pseudomelaniidae]
  • Crenella ecuadoriana, H. A. Pilsbry and A.A. Olsson 1941 [Mytilidae]
  • Crucibulum (Crucibulum), Schumacher 1817 [Calyptraeidae]
  • Crucibulum alloglyptum, H. A. Pilsbry and A.A. Olsson 1941 [Calyptraeidae]
  • Cyclinella galera, H. A. Pilsbry and A.A. Olsson 1941 [Veneridae]
  • Cymatophos galerus, H. A. Pilsbry and A.A. Olsson 1941 [Buccinidae]
  • Cypraea cayapa, H. A. Pilsbry and A.A. Olsson 1941 [Cypraeidae]
  • Dispotaea, Say 1824 [Calyptraeidae]
  • Epitonium (Ferminoscala) eleutherium, H. A. Pilsbry and A.A. Olsson 1941 [Epitoniidae]
  • Epitonium (Ferminoscala) manabianum, H. A. Pilsbry and A.A. Olsson 1941 [Epitoniidae]
  • Epitonium (Spiniscala) loripanum, H. A. Pilsbry and A.A. Olsson 1941 [Epitoniidae]
  • Ferminoscala, Dall 1908 [Epitoniidae]
  • Glycymeris canoa, H. A. Pilsbry and A.A. Olsson 1941 [Glycymerididae]
  • Glyptaesopus, H. A. Pilsbry and A.A. Olsson 1941 [Columbellidae]
  • Hanetia boggsi, H. A. Pilsbry and A.A. Olsson 1941 [Buccinidae]
  • Hanetia cymioides, H. A. Pilsbry and A.A. Olsson 1941 [Buccinidae]
  • Hanetia ecuadorensis, H. A. Pilsbry and A.A. Olsson 1941 [Buccinidae]
  • Hindsia wheeleri, H. A. Pilsbry and A.A. Olsson 1941 [Nassariidae]
  • Janira, Schumacher 1817 [Pectinidae]
  • Laevicardium pedernalense, H. A. Pilsbry and A.A. Olsson 1941 [Cardiidae]
  • Lucina (Lucinisca) fausta, H. A. Pilsbry and A.A. Olsson 1941 [Lucinidae]
  • Lucina (Parvilucina) callosana, H. A. Pilsbry and A.A. Olsson 1941 [Lucinidae]
  • Macoma (Macoploma) ecuadoriana, Pilsbry and Olsson 1941 [Tellinidae]
  • Mactra (Mactrella) (Gray) [Mactridae]
  • Mactra (Micromactra) atacama, H. A. Pilsbry and A.A. Olsson 1941 [Mactridae]
  • Mangelia ecuadoriana, H. A. Pilsbry and A.A. Olsson 1941 [Mangeliidae]
  • Mangelia heptapleura, H. A. Pilsbry and A.A. Olsson 1941 [Mangeliidae]
  • Mangelia hesperia, H. A. Pilsbry and A.A. Olsson 1941 [Mangeliidae]
  • Micromactra, Dall 1894 [Mactridae]
  • Mulinia camina, H. A. Pilsbry and A.A. Olsson 1941 [Mactridae]
  • Nannodiella meridionalis, H. A. Pilsbry and A.A. Olsson 1941 [Clathurellidae]
  • Nassa (Arcularia) (Link 1807) [Nassariidae]
  • Nassa (Arcularia) puntablacoensis, H. A. Pilsbry and A.A. Olsson 1941 [Nassariidae]
  • Nassa (Perunassa) ecuadoriana, H. A. Pilsbry and A.A. Olsson 1941 [Buccinidae]
  • Nassa cara, H. A. Pilsbry and A.A. Olsson 1941 [Buccinidae]
  • Nassa pacis, H. A. Pilsbry and A.A. Olsson 1941 [Buccinidae]
  • Nassa palta, H. A. Pilsbry and A.A. Olsson 1941 [Buccinidae]
  • Nassa tinosa, H. A. Pilsbry and A.A. Olsson 1941 [Buccinidae]
  • Onoba fortis, H. A. Pilsbry and A.A. Olsson 1941 [Rissoidae]
  • Pitar salanga, H. A. Pilsbry and A.A. Olsson 1941 [Veneridae]
  • Pseudorotella lens, H. A. Pilsbry and A.A. Olsson 1941 [Tornidae]
  • Pyramidella (Longchaeus) (Mörch 1875) [Pyramidellidae]
  • Semele jaramija, H. A. Pilsbry and A.A. Olsson 1941 [Semelidae]
  • Solecurtus broggii, H. A. Pilsbry and A.A. Olsson 1941 [Solecurtidae]
  • Spiniscala, De Boury 1909 [Epitoniidae]
  • Strombina ecuadoriana, H. A. Pilsbry and A.A. Olsson 1941 [Columbellidae]
  • Strombinophos loripanus, H. A. Pilsbry and A.A. Olsson 1941 [Buccinidae]
  • Systellomphalus [Skeneidae]
  • Systellomphalus peronatus, H. A. Pilsbry and A.A. Olsson 1941 [Skeneidae]
  • Tagelus (Mesopleura) () [Solecurtidae]
  • Tagelus (Mesopleura) peruvianus, Pilsbry and Olsson 1941 [Solecurtidae]
  • Teinostoma ecuadoriana, H. A. Pilsbry and A.A. Olsson 1941 [Tornidae]
  • Tellina (Eurytellina) ecuadoriana, Pilsbry and Olsson 1941 [Tellinidae]
  • Tellina (Eurytellina) laplata, H. A. Pilsbry and A.A. Olsson 1941 [Tellinidae]
  • Tellina (Macaliopsis) () [Tellinidae]
  • Tellina (Macaliopsis) aequizonata, H. A. Pilsbry and A.A. Olsson 1941 [Tellinidae]
  • Tellina (Quadrans) (Bertin 1878) [Tellinidae]
  • Terebra (Strioterebrum) (Sacco 1891) [Terebridae]
  • Terebra (Strioterebrum) blanca, H. A. Pilsbry and A.A. Olsson 1941 [Terebridae]
  • Terebra (Strioterebrum) cuenca, H. A. Pilsbry and A.A. Olsson 1941 [Terebridae]
  • Terebra (Strioterebrum) loja, H. A. Pilsbry and A.A. Olsson 1941 [Terebridae]
  • Terebra (Strioterebrum) manta, H. A. Pilsbry and A.A. Olsson 1941 [Terebridae]
  • Terebra (Strioterebrum) tumaca, H. A. Pilsbry and A.A. Olsson 1941 [Terebridae]
  • Terebra (Terebra), Bruguière 1798 [Terebridae]
  • Terebra (Terebra) elena, H. A. Pilsbry and A.A. Olsson 1941 [Terebridae]
  • Tritiaria ecuadoriana, H. A. Pilsbry and A.A. Olsson 1941 [Nassariidae]
  • Turbonilla (Mormula) loripana, H. A. Pilsbry and A.A. Olsson 1941 [Pyramidellidae]
  • Turritella pasada, H. A. Pilsbry and A.A. Olsson 1941 [Turritellidae]