MolluscaBase taxon details
original description
(of Clausilia (Pirostoma) portisii Sacco, 1886 †) Sacco, F. (1886). Fauna malacologica delle alluvioni plioceniche del Piemonte. <em>Memorie della Reale Accademia delle Scienze di Torino, Serie II.</em> 37: 169-206., available online at https://www.biodiversitylibrary.org/page/43201564
page(s): 94, pl. 2, fig. 7 [details]
basis of record
Nordsieck, H. (2000). Annotated check-list of the fossil (pre-Pleistocene) Clausiliidae (Gastropoda: Stylommatophora) from central and western Europe. Mitteilungen der Deutschen Malakozoologischen Gesellschaft, 65: 1-15. Frankfurt am Main.
page(s): 6 [details] Available for editors [request]
additional source
Wenz, W. (1923-1930). Fossilium Catalogus I: Animalia. Gastropoda extramarina tertiaria. W. Junk, Berlin. Vol. I: 1-352 pp. (1923), Vol. II: 353-736 pp. (1923), Vol. III: 737-1068 pp. (1923), Vol. IV: 1069-1420 pp. (1923), Vol. V: 1421-1734 pp. (1923), Vol. VI: 1735-1862 pp. (1923), Vol. VII: 1863-2230 pp. (1926), Vol. VIII: 2231-2502 pp. (1928), Vol. IX: 2503-2886 pp. (1929), Vol. X: 2887-3014 pp. (1929), Vol. XI: 3015-3387 pp. (1930)., available online at http://biodiversitylibrary.org/bibliography/61839#/summary
page(s): 788; note: misspelt as "portisi" [details]