MolluscaBase taxon details
original description
(of Planorbis subhemistoma d'Orbigny, 1852 †) Orbigny, A. D. d'. (1852). <i>Prodrome de paléontologie stratigraphique universelle des animaux mollusques et rayonnés, faisant suite au cours élémentaire de paléontologie et de géologie stratigraphiques</i>. vol. 3: 189 pp. + unpaginated erratum and table of contents. Paris: Masson. , available online at https://www.biodiversitylibrary.org/page/31730040
page(s): 165 [details]
original description
(of Planorbis multiformis var. minutus Hilgendorf, 1867 †) Hilgendorf, F. (1867). Über <em>Planorbis multiformis</em> im Steinheimer Süßwasserkalk. <em>Monatsberichte der Königlich-Preussischen Akademie der Wissenschaften zu Berlin.</em> 1866: 474-504., available online at https://www.biodiversitylibrary.org/page/39053038
page(s): 487, unnumbered plate, fig. 15 [details]
original description
(of Planorbis multiformis var. minutus teres Hilgendorf, 1867 †) Hilgendorf, F. (1867). Über <em>Planorbis multiformis</em> im Steinheimer Süßwasserkalk. <em>Monatsberichte der Königlich-Preussischen Akademie der Wissenschaften zu Berlin.</em> 1866: 474-504., available online at https://www.biodiversitylibrary.org/page/39053038
page(s): 487 [details]
original description
(of Planorbis (Gyraulus) zietenii F. Sandberger, 1872 †) Sandberger, C.L.F. (1870-1875). <i>Die Land- und Süßwasser-Conchylien der Vorwelt</i>. C. W. Kreidel, Wiesbaden. [pp. 1-96, pl. 1-12 (1870); pp. 97-160, pl. 13-20 (1871); pp. 161-256, pl. 21-32 (1873); pp. 257-352, pl. 33-36 (1874); pp i-viii, 353-1000 (1875) according to Woodward, 1906]. , available online at https://biodiversitylibrary.org/page/49567154
page(s): pl. 28, fig. 4-4c; note: description on p. 645 appeared in 1875 [details]