MolluscaBase name details
Margaritana perdahurica Yokoyama, 1932 †
1519017 (urn:lsid:marinespecies.org:taxname:1519017)
unaccepted > superseded combination (genus is a junior synonym)
Species
fossil only
Yokoyama M. (1932). Tertiary Mollusca from the Coalfield of Uryu, Ishikari. <em>Journal of the Faculty of Science, Imperial University of Tokyo. Section II, Geology, Mineralogy, Geography, Seismology.</em> 3(6): 221-247., available online at http://umdb.um.u-tokyo.ac.jp/DKoseibu/pdf/Ref_0503_.pdf
page(s): 244, pl. 4, fig. 2 [details] Available for editors
[request]
page(s): 244, pl. 4, fig. 2 [details] Available for editors
[request]
Note "Upper Tachibets Beds: The Rakkwanzawa, a...
Type locality "Upper Tachibets Beds: The Rakkwanzawa, a branch of the Shisengawa; the Tomisawa and Hozawa, both branches of the Nasuzawa which is again a branch of the Urashimagawa; the Shimizusawa, a branch of the Okadagawa; the Meiji Mine, Numata; the Katsurazawa." (Hokkaido, Japan) [details]
MolluscaBase eds. (2021). MolluscaBase. Margaritana perdahurica Yokoyama, 1932 †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1519017 on 2025-09-11
Date
action
by
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
Yokoyama M. (1932). Tertiary Mollusca from the Coalfield of Uryu, Ishikari. <em>Journal of the Faculty of Science, Imperial University of Tokyo. Section II, Geology, Mineralogy, Geography, Seismology.</em> 3(6): 221-247., available online at http://umdb.um.u-tokyo.ac.jp/DKoseibu/pdf/Ref_0503_.pdf
page(s): 244, pl. 4, fig. 2 [details] Available for editors [request]
page(s): 244, pl. 4, fig. 2 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Type locality "Upper Tachibets Beds: The Rakkwanzawa, a branch of the Shisengawa; the Tomisawa and Hozawa, both branches of the Nasuzawa which is again a branch of the Urashimagawa; the Shimizusawa, a branch of the Okadagawa; the Meiji Mine, Numata; the Katsurazawa." (Hokkaido, Japan) [details]
