MolluscaBase name details
Pyramidula perspectiva simillima Stearns, 1900 †
1338522 (urn:lsid:marinespecies.org:taxname:1338522)
unaccepted (superseded rank and combination)
Subspecies
fossil only
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]
page(s): 657-658, pl. 30, fig. 7 [details]
Note "The North Fork of John Day River, Oregon, at...
From editor or global species database
Type locality "The North Fork of John Day River, Oregon, at the angle of the big bend, longitude 119° 40', latitude 44° 50" (referring to White 1885, p. 174) [details]
Fossil range Exact age uncertain. Claimed to be from the "John Day group" (today John Day Formation), which roughly ranges in age from...
Fossil range Exact age uncertain. Claimed to be from the "John Day group" (today John Day Formation), which roughly ranges in age from the Bartonian (late Eocene) to the Burdigalian (early Miocene). [details]
MolluscaBase eds. (2021). MolluscaBase. Pyramidula perspectiva simillima Stearns, 1900 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1338522 on 2025-05-17
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original description
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 Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313.
page(s): 157-158 [details] Available for editors
[request]
page(s): 657-658, pl. 30, fig. 7 [details]
basis of record Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313.
page(s): 157-158 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Fossil range Exact age uncertain. Claimed to be from the "John Day group" (today John Day Formation), which roughly ranges in age from the Bartonian (late Eocene) to the Burdigalian (early Miocene). [details]Type locality "The North Fork of John Day River, Oregon, at the angle of the big bend, longitude 119° 40', latitude 44° 50" (referring to White 1885, p. 174) [details]
