MolluscaBase name details
original description
Pfeiffer, L. (1850-1853). Die gedeckelten Lungenschnecken. (Helicinacea et Cyclostomacea.). In Abbildungen nach der Natur mit Beschreibungen. Helicinaceen. In: Systematisches Conchylien-Cabinet von Martini und Chemnitz, Ersten Bandes, achtzehnte Abtheilung, erster Theil. (1) 18 (1, 94): 1-24, pls. 1-6 (1850); (1) 18 (1, 100): 25-68, pls. 7-9 (1850); (1) 18 (1, 114): pl. 10 (1852); (1) 18 (1, 122): 65-68, 69-78 (1853). Nürnberg (Bauer & Raspe). Note: pages 65-68 issued in Lieferung 100 were cancelled and replaced by pages 65-68 issued in Lieferung 122., available online at https://www.biodiversitylibrary.org/page/34383511
page(s): 26, pl. 9 figs 26-29 [details]
additional source
Pfeiffer, L. (1852). <i>Monographia Pneumonopomorum viventium. Sistens descriptiones systematicas et criticas omnium hujus ordinis generum et specierum hodie cognitarum, accedente fossilium enumeratione</i>. xviii + 439 pp. Cassel: Theodor Fischer / London: Williams & Norgate / Paris: Friedr. Klincksieck [< 15 October]. , available online at https://biodiversitylibrary.org/page/11102721
page(s): 357 [details]