MolluscaBase name details
Retispira undulata Chronic, 1952 †
1562096 (urn:lsid:marinespecies.org:taxname:1562096)
unaccepted (a junior synonym)
Species
marine, brackish, fresh, terrestrial
fossil only
Chronic, H. (1952). Molluscan fauna from the Permian Kaibab Formation, Walnut Canyon, Arizona. <em>Bulletin of the Geological Society of America.</em> 63(2): 95-165., available online at https://doi.org/10.1130/0016-7606(1952)63[95:mfftpk]2.0.co;2
page(s): 113, pl. 2, figs. 1 a, b [details] Available for editors
[request]
page(s): 113, pl. 2, figs. 1 a, b [details] Available for editors

Note USA, Arizona, Kaibab formation, Walnut Canyon
Type locality USA, Arizona, Kaibab formation, Walnut Canyon [details]
MolluscaBase eds. (2025). MolluscaBase. Retispira undulata Chronic, 1952 †. Accessed at: https://www.molluscabase.org/aphia.php/aphia.php?p=taxdetails&id=1562096 on 2025-09-12
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original description
Chronic, H. (1952). Molluscan fauna from the Permian Kaibab Formation, Walnut Canyon, Arizona. <em>Bulletin of the Geological Society of America.</em> 63(2): 95-165., available online at https://doi.org/10.1130/0016-7606(1952)63[95:mfftpk]2.0.co;2
page(s): 113, pl. 2, figs. 1 a, b [details] Available for editors
[request]
source of synonymy Mazaev A.V. (2019). Lower Permian Gastropods of Shakhtau (Asselian–Sakmarian Boundary Beds, Southern Cisuralia). <em>Paleontological Journal.</em> 53(12): 1237-1345.
page(s): 1258 [details] Available for editors
[request]
page(s): 113, pl. 2, figs. 1 a, b [details] Available for editors

source of synonymy Mazaev A.V. (2019). Lower Permian Gastropods of Shakhtau (Asselian–Sakmarian Boundary Beds, Southern Cisuralia). <em>Paleontological Journal.</em> 53(12): 1237-1345.
page(s): 1258 [details] Available for editors

From editor or global species database
Type locality USA, Arizona, Kaibab formation, Walnut Canyon [details]