MolluscaBase name details
Helix (Epiphragmophora) dubiosa Stearns, 1902 †
1079778 (urn:lsid:marinespecies.org:taxname:1079778)
unaccepted > superseded combination
Species
fossil only
Stearns, R. E. C. (1902). Fossil shells of the John Day Region. <em>Science, new series.</em> 15(369): 153-154.
page(s): 153-154 [details]
page(s): 153-154 [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 the "same general locality" as in Stearns 1900, who in turn referred 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. Helix (Epiphragmophora) dubiosa Stearns, 1902 †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1079778 on 2025-09-12
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original description
Stearns, R. E. C. (1902). Fossil shells of the John Day Region. <em>Science, new series.</em> 15(369): 153-154.
page(s): 153-154 [details]
additional source Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313.
page(s): 140 [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): 368 [details]
page(s): 153-154 [details]
additional source Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313.
page(s): 140 [details] Available for editors

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): 368 [details]




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 the "same general locality" as in Stearns 1900, who in turn referred to White 1885, p. 174) [details]