MolluscaBase source details
Spieker, E. M. (1922). The paleontology of the Zorritos Formation of the north Peruvian oil fields. The Johns Hopkins University, Studies in Geology. 3: 1-197, pls. 1-10.
134634
Spieker, E. M.
1922
The paleontology of the Zorritos Formation of the north Peruvian oil fields
The Johns Hopkins University, Studies in Geology
3: 1-197, pls. 1-10
Publication
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2013-01-12 18:30:12Z
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Anomia berryi Spieker, 1922 † (original description)
Arca (Anadara) nelsoni Spieker, 1922 † accepted as Arca chiriquiensis var. toroensis Spieker, 1922 † (original description)
Arca (Anadara) septifera Grzybowski, 1899 † (basis of record)
Arca (Anadara) toroensis Spieker, 1922 † accepted as Arca chiriquiensis var. toroensis Spieker, 1922 † (original description)
Arca (Anadara) toroensis var. crassa Spieker, 1922 † accepted as Arca chiriquiensis var. toroensis Spieker, 1922 † (original description)
Arca (Anadara) toroensis var. prolata Spieker, 1922 † accepted as Arca chiriquiensis var. toroensis Spieker, 1922 † (original description)
Arca (Arca) cholana Spieker, 1922 † (original description)
Arca (Cunearca) zorritensis Spieker, 1922 † (original description)
Arca (Scapharca) charanensis Spieker, 1922 † (original description)
Arca (Scapharca) crescens Spieker, 1922 † accepted as Arca chiriquiensis var. toroensis Spieker, 1922 † (original description)
Arca (Scapharca) fissicosta Spieker, 1922 † (original description)
Arca (Scapharca) imporcata Spieker, 1922 † accepted as Arca chiriquiensis var. toroensis Spieker, 1922 † (original description)
Arca (Scapharca) obesiformis Grzybowski, 1899 † (basis of record)
Arca (Scapharca) pantheonensis Spieker, 1922 † (original description)
Arca (Scapharca) singewaldi Spieker, 1922 † (original description)
Arca (Scapharca) singewaldi var. doma Spieker, 1922 † (original description)
Arca (Scapharca) vanholsti Spieker, 1922 † (original description)
Arca (Scapharca) zapotalensis Spieker, 1922 † (original description)
Arca larkinii E. T. Nelson, 1870 † (additional source)
Calliostoma (Eutrochus) noduliferum E. T. Nelson, 1870 † (basis of record)
Calliostoma noduliferum E. T. Nelson, 1870 † (additional source)
Cancellaria (Aphera) peruana Nelson, 1870 † accepted as Aphera peruana E. T. Nelson, 1870 † (basis of record)
Cardium (Trachycardium) peruvianum Spieker, 1922 † (original description)
Cardium (Trachycardium) zorritensis Spieker, 1922 † (original description)
Cardium (Trigoniocardia) affinis (E. T. Nelson, 1870) † (new combination reference)
Cerithium grillanum Spieker, 1922 † (original description)
Cerithium infranodatum Spieker, 1922 † (original description)
Chione (Chione) angelana Spieker, 1922 † (original description)
Chione (Chione) propinqua Spieker, 1922 † (original description)
Chione (Chione) variabilis E. T. Nelson, 1870 † represented as Chione variabilis E. T. Nelson, 1870 † (basis of record)
Chione (Lirophora) hendersonii Dall, 1903 † (basis of record)
Chione (Lirophora) latilirata (Conrad, 1841) represented as Lirophora latilirata (Conrad, 1841) † (basis of record)
Clementia dariena (Conrad, 1856) † (basis of record)
Conus berryi Spieker, 1922 † (original description)
Conus bocapanansis Spieker, 1922 † (original description)
Conus cacuminatus Spieker, 1922 † (original description)
Conus molis var. bravoi Spieker, 1922 † (original description)
Corbula (Aloidis) bradleyi E. T. Nelson, 1870 accepted as Corbula bradleyi E. T. Nelson, 1870 † (basis of record)
Corbula (Aloidis) prenuncia Spieker, 1922 † (original description)
Corbula (Cuneocorbula) acutirostra Spieker, 1922 † (original description)
Corbula (Cuneocorbula) bravoana Spieker, 1922 † (original description)
Corbula (Cuneocorbula) fabiformis Spieker, 1922 † (original description)
Corbula (Cuneocorbula) propinqua Spieker, 1922 † (original description)
Crassatellites (Scambula) berryi Spieker, 1922 † accepted as Hybolophus berryi (Spieker, 1922) † (original description)
Crassatellites (Scambula) nelsoni (Grzybowski, 1899) † accepted as Hybolophus nelsoni (Grzybowski, 1899) † (new combination reference)
Cypraea angustirima Spieker, 1922 † (original description)
Cypraea augustirima Spieker, 1922 † accepted as Siphocypraea augustirima (Spieker, 1922) † (original description)
Dolium (Malea) camura (Guppy, 1866) † accepted as Malea camura Guppy, 1866 † (basis of record)
Dosinia delicatissima A. P. Brown & Pilsbry, 1913 † (basis of record)
Labiosa (Raeta) gabbi Pilsbry & C. W. Johnson, 1917 † (basis of record)
Labiosa (Raeta) gardnerae Spieker, 1922 † (original description)
Labiosa (Raeta) ventricosa Spieker, 1922 † (original description)
Leda peruviana Dall, 1898 † accepted as Nuculana (Saccella) peruviana (Dall, 1898) † accepted as Saccella peruviana (Dall, 1898) † (basis of record)
Lutraria gardnerae Spieker, 1922 accepted as Raeta undulata (A. Gould, 1851) (original description)
Macrocallista helenae Spieker, 1922 † (original description)
Marginella incrassata E. T. Nelson, 1870 † (basis of record)
Mulinia zorritensis (E. T. Nelson, 1870) † (basis of record)
Murex laqueoratus Spieker, 1922 † accepted as Trajana laqueorata (Spieker, 1922) † (original description)
Nassa zorritense (E. T. Nelson, 1870) † (basis of record)
Nassa zorritensis (E. T. Nelson, 1870) † accepted as Nassa zorritense (E. T. Nelson, 1870) † (basis of record)
Pecten woodringi Spieker, 1922 † accepted as Leptopecten woodringi (Spieker, 1922) † (original description)
Phacoides (Pseudomiltha) insleyi Spieker, 1922 † (original description)
Phos latirugatus Spieker, 1922 † (original description)
Pitaria (Lamelliconcha) planivieta (Guppy, 1866) † (basis of record)
Polinices subangulata E. T. Nelson, 1870 † (additional source)
Polynices porcana Spieker, 1922 † (original description)
Potamides ormei var. infraliratus Spieker, 1922 † accepted as Dentimides suprasulcatus (Gabb, 1873) † (original description)
Pyrula peruviana Spieker, 1922 † (original description)
Sinum carolanum Spieker, 1922 † (original description)
Solecurtus (Pharella) planifolliculus Spieker, 1922 † (original description)
Solenosteira alternata (E. T. Nelson, 1870) † (basis of record)
Tagelus gibbus (Spengler, 1794) accepted as Tagelus plebeius ([Lightfoot], 1786) (additional source)
Tellina (Angulus) pressa Dall, 1900 † (basis of record)
Tellina (Angulus) singewaldi Spieker, 1922 † (original description)
Tellina (Eurytellina) aequicincta Spieker, 1922 † (original description)
Tellina zapotalensis Spieker, 1922 † (original description)
Terebra gausapata var. herviderana Spieker, 1922 † (original description)
Terebra tuberosa (E. T. Nelson, 1870) † (basis of record)
Transennella herviderana Spieker, 1922 † (original description)
Triumphis solida (E. T. Nelson, 1870) † (basis of record)
Turbo belli Spieker, 1922 † (original description)
Turritella altilira Conrad, 1857 † (basis of record)
Turritella alturana Spieker, 1922 † (replacement name source)
Turritella bifastigata E. T. Nelson, 1870 † (additional source)
Turritella charana Spieker, 1922 † accepted as Turritella abrupta Spieker, 1922 † accepted as Caviturritella abrupta (Spieker, 1922) † (original description)
Turritella filicincta Grzybowski, 1899 † (basis of record)
Turritella filicincta var. varicosta Spieker, 1922 † (original description)
Turritella inca Gryzbowski, 1899 † accepted as Turritella infracarinata Gryzbowski, 1899 † (additional source)
Turritella inca var. trita Spieker, 1922 † (original description)
Turritella infracarinata Gryzbowski, 1899 † (additional source)
Turritella infracarinata var. zorritensis Spieker, 1922 † accepted as Turritella infracarinata Gryzbowski, 1899 † (original description)
Turritella nelsoni Spieker, 1922 † accepted as Turritella infracarinata Gryzbowski, 1899 † (replacement name source)
Turritella nelsoni var. rotundata Grzybowski, 1899 † accepted as Turritella infracarinata Gryzbowski, 1899 † (basis of record)
Turritella nelsoni var. trullissatia Spieker, 1922 † accepted as Turritella infracarinata Gryzbowski, 1899 † (original description)
Turritella prenuncia Spieker, 1922 † (original description)
Turritella prenuncia var. inconspicua Spieker, 1922 † (original description)
Turritella robusta Grzybowski, 1899 † accepted as Turritella abrupta Spieker, 1922 † accepted as Caviturritella abrupta (Spieker, 1922) † (additional source)
Turritella robusta var. abrupta Spieker, 1922 † accepted as Turritella abrupta Spieker, 1922 † accepted as Caviturritella abrupta (Spieker, 1922) † (original description)
Turritella suturalis E. T. Nelson, 1870 † accepted as Turritella infracarinata Gryzbowski, 1899 † (replacement name source)
Arca (Anadara) nelsoni Spieker, 1922 † accepted as Arca chiriquiensis var. toroensis Spieker, 1922 † (original description)
Arca (Anadara) septifera Grzybowski, 1899 † (basis of record)
Arca (Anadara) toroensis Spieker, 1922 † accepted as Arca chiriquiensis var. toroensis Spieker, 1922 † (original description)
Arca (Anadara) toroensis var. crassa Spieker, 1922 † accepted as Arca chiriquiensis var. toroensis Spieker, 1922 † (original description)
Arca (Anadara) toroensis var. prolata Spieker, 1922 † accepted as Arca chiriquiensis var. toroensis Spieker, 1922 † (original description)
Arca (Arca) cholana Spieker, 1922 † (original description)
Arca (Cunearca) zorritensis Spieker, 1922 † (original description)
Arca (Scapharca) charanensis Spieker, 1922 † (original description)
Arca (Scapharca) crescens Spieker, 1922 † accepted as Arca chiriquiensis var. toroensis Spieker, 1922 † (original description)
Arca (Scapharca) fissicosta Spieker, 1922 † (original description)
Arca (Scapharca) imporcata Spieker, 1922 † accepted as Arca chiriquiensis var. toroensis Spieker, 1922 † (original description)
Arca (Scapharca) obesiformis Grzybowski, 1899 † (basis of record)
Arca (Scapharca) pantheonensis Spieker, 1922 † (original description)
Arca (Scapharca) singewaldi Spieker, 1922 † (original description)
Arca (Scapharca) singewaldi var. doma Spieker, 1922 † (original description)
Arca (Scapharca) vanholsti Spieker, 1922 † (original description)
Arca (Scapharca) zapotalensis Spieker, 1922 † (original description)
Arca larkinii E. T. Nelson, 1870 † (additional source)
Calliostoma (Eutrochus) noduliferum E. T. Nelson, 1870 † (basis of record)
Calliostoma noduliferum E. T. Nelson, 1870 † (additional source)
Cancellaria (Aphera) peruana Nelson, 1870 † accepted as Aphera peruana E. T. Nelson, 1870 † (basis of record)
Cardium (Trachycardium) peruvianum Spieker, 1922 † (original description)
Cardium (Trachycardium) zorritensis Spieker, 1922 † (original description)
Cardium (Trigoniocardia) affinis (E. T. Nelson, 1870) † (new combination reference)
Cerithium grillanum Spieker, 1922 † (original description)
Cerithium infranodatum Spieker, 1922 † (original description)
Chione (Chione) angelana Spieker, 1922 † (original description)
Chione (Chione) propinqua Spieker, 1922 † (original description)
Chione (Chione) variabilis E. T. Nelson, 1870 † represented as Chione variabilis E. T. Nelson, 1870 † (basis of record)
Chione (Lirophora) hendersonii Dall, 1903 † (basis of record)
Chione (Lirophora) latilirata (Conrad, 1841) represented as Lirophora latilirata (Conrad, 1841) † (basis of record)
Clementia dariena (Conrad, 1856) † (basis of record)
Conus berryi Spieker, 1922 † (original description)
Conus bocapanansis Spieker, 1922 † (original description)
Conus cacuminatus Spieker, 1922 † (original description)
Conus molis var. bravoi Spieker, 1922 † (original description)
Corbula (Aloidis) bradleyi E. T. Nelson, 1870 accepted as Corbula bradleyi E. T. Nelson, 1870 † (basis of record)
Corbula (Aloidis) prenuncia Spieker, 1922 † (original description)
Corbula (Cuneocorbula) acutirostra Spieker, 1922 † (original description)
Corbula (Cuneocorbula) bravoana Spieker, 1922 † (original description)
Corbula (Cuneocorbula) fabiformis Spieker, 1922 † (original description)
Corbula (Cuneocorbula) propinqua Spieker, 1922 † (original description)
Crassatellites (Scambula) berryi Spieker, 1922 † accepted as Hybolophus berryi (Spieker, 1922) † (original description)
Crassatellites (Scambula) nelsoni (Grzybowski, 1899) † accepted as Hybolophus nelsoni (Grzybowski, 1899) † (new combination reference)
Cypraea angustirima Spieker, 1922 † (original description)
Cypraea augustirima Spieker, 1922 † accepted as Siphocypraea augustirima (Spieker, 1922) † (original description)
Dolium (Malea) camura (Guppy, 1866) † accepted as Malea camura Guppy, 1866 † (basis of record)
Dosinia delicatissima A. P. Brown & Pilsbry, 1913 † (basis of record)
Labiosa (Raeta) gabbi Pilsbry & C. W. Johnson, 1917 † (basis of record)
Labiosa (Raeta) gardnerae Spieker, 1922 † (original description)
Labiosa (Raeta) ventricosa Spieker, 1922 † (original description)
Leda peruviana Dall, 1898 † accepted as Nuculana (Saccella) peruviana (Dall, 1898) † accepted as Saccella peruviana (Dall, 1898) † (basis of record)
Lutraria gardnerae Spieker, 1922 accepted as Raeta undulata (A. Gould, 1851) (original description)
Macrocallista helenae Spieker, 1922 † (original description)
Marginella incrassata E. T. Nelson, 1870 † (basis of record)
Mulinia zorritensis (E. T. Nelson, 1870) † (basis of record)
Murex laqueoratus Spieker, 1922 † accepted as Trajana laqueorata (Spieker, 1922) † (original description)
Nassa zorritense (E. T. Nelson, 1870) † (basis of record)
Nassa zorritensis (E. T. Nelson, 1870) † accepted as Nassa zorritense (E. T. Nelson, 1870) † (basis of record)
Pecten woodringi Spieker, 1922 † accepted as Leptopecten woodringi (Spieker, 1922) † (original description)
Phacoides (Pseudomiltha) insleyi Spieker, 1922 † (original description)
Phos latirugatus Spieker, 1922 † (original description)
Pitaria (Lamelliconcha) planivieta (Guppy, 1866) † (basis of record)
Polinices subangulata E. T. Nelson, 1870 † (additional source)
Polynices porcana Spieker, 1922 † (original description)
Potamides ormei var. infraliratus Spieker, 1922 † accepted as Dentimides suprasulcatus (Gabb, 1873) † (original description)
Pyrula peruviana Spieker, 1922 † (original description)
Sinum carolanum Spieker, 1922 † (original description)
Solecurtus (Pharella) planifolliculus Spieker, 1922 † (original description)
Solenosteira alternata (E. T. Nelson, 1870) † (basis of record)
Tagelus gibbus (Spengler, 1794) accepted as Tagelus plebeius ([Lightfoot], 1786) (additional source)
Tellina (Angulus) pressa Dall, 1900 † (basis of record)
Tellina (Angulus) singewaldi Spieker, 1922 † (original description)
Tellina (Eurytellina) aequicincta Spieker, 1922 † (original description)
Tellina zapotalensis Spieker, 1922 † (original description)
Terebra gausapata var. herviderana Spieker, 1922 † (original description)
Terebra tuberosa (E. T. Nelson, 1870) † (basis of record)
Transennella herviderana Spieker, 1922 † (original description)
Triumphis solida (E. T. Nelson, 1870) † (basis of record)
Turbo belli Spieker, 1922 † (original description)
Turritella altilira Conrad, 1857 † (basis of record)
Turritella alturana Spieker, 1922 † (replacement name source)
Turritella bifastigata E. T. Nelson, 1870 † (additional source)
Turritella charana Spieker, 1922 † accepted as Turritella abrupta Spieker, 1922 † accepted as Caviturritella abrupta (Spieker, 1922) † (original description)
Turritella filicincta Grzybowski, 1899 † (basis of record)
Turritella filicincta var. varicosta Spieker, 1922 † (original description)
Turritella inca Gryzbowski, 1899 † accepted as Turritella infracarinata Gryzbowski, 1899 † (additional source)
Turritella inca var. trita Spieker, 1922 † (original description)
Turritella infracarinata Gryzbowski, 1899 † (additional source)
Turritella infracarinata var. zorritensis Spieker, 1922 † accepted as Turritella infracarinata Gryzbowski, 1899 † (original description)
Turritella nelsoni Spieker, 1922 † accepted as Turritella infracarinata Gryzbowski, 1899 † (replacement name source)
Turritella nelsoni var. rotundata Grzybowski, 1899 † accepted as Turritella infracarinata Gryzbowski, 1899 † (basis of record)
Turritella nelsoni var. trullissatia Spieker, 1922 † accepted as Turritella infracarinata Gryzbowski, 1899 † (original description)
Turritella prenuncia Spieker, 1922 † (original description)
Turritella prenuncia var. inconspicua Spieker, 1922 † (original description)
Turritella robusta Grzybowski, 1899 † accepted as Turritella abrupta Spieker, 1922 † accepted as Caviturritella abrupta (Spieker, 1922) † (additional source)
Turritella robusta var. abrupta Spieker, 1922 † accepted as Turritella abrupta Spieker, 1922 † accepted as Caviturritella abrupta (Spieker, 1922) † (original description)
Turritella suturalis E. T. Nelson, 1870 † accepted as Turritella infracarinata Gryzbowski, 1899 † (replacement name source)
Original description
Shell of medium size, anteriorly inflated, posteriorly attenuate. Anterior margin rounded; ventral margin rounded ... [details]
