MolluscaBase name details
original description
(of Pyramidula perspectiva simillima Stearns, 1900 †) Stearns, R. E. C. (1900). Fossil land shells of the John Day region with notes on related living species. <em>Proceedings of the Washington Academy of Sciences.</em> 2: 651-660., available online at https://www.biodiversitylibrary.org/page/8872727
page(s): 657-658, pl. 30, fig. 7 [details]
basis of record
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): 346 [details]