Traits taxon details
original description
(of Planorbis (Spirorbis) lunatus Conrad, 1871 †) Conrad, T. A. (1871). Paleontological notes. <em>American Journal of Conchology.</em> 6: 314-315., available online at https://www.biodiversitylibrary.org/page/15854137 page(s): 315, pl. 13, fig. 8 [details]
basis of record
Roth, B. (1986). Land mollusks (Gastropoda: Pulmonata) from Early Tertiary Bozeman Group, Montana. <em>Proceedings of the California Academy of Sciences.</em> 44(11): 237-267., available online at https://www.biodiversitylibrary.org/page/16005679 page(s): 264 [details] Available for editors 
additional source
Edson, H. (1911). Notes on <i>Ammonitella lunata</i>, Conrad. <em>The Nautilus.</em> 24(11): 132., available online at https://www.biodiversitylibrary.org/page/1760943 [details]
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): 356-357 [details]
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