MolluscaBase source details
Yokoyama M. (1932). Tertiary Mollusca from the Coalfield of Uryu, Ishikari. Journal of the Faculty of Science, Imperial University of Tokyo. Section II, Geology, Mineralogy, Geography, Seismology. 3(6): 221-247.
342031
Yokoyama M.
1932
Tertiary Mollusca from the Coalfield of Uryu, Ishikari
Journal of the Faculty of Science, Imperial University of Tokyo. Section II, Geology, Mineralogy, Geography, Seismology
3(6): 221-247
Publication
Available for editors 
[request]
[request]
Date
action
by
Anodonta suavis Yokoyama, 1932 † accepted as Anodonta subjapanensis (Yokoyama, 1932) † (original description)
Circe tokudai Yokoyama, 1932 † accepted as Corbicula tokudai (Yokoyama, 1932) † (original description)
Cyrena verecunda Yokoyama, 1932 † accepted as Astarte verecunda (Yokoyama, 1932) † (original description)
Margaritana perdahurica Yokoyama, 1932 † accepted as Margaritifera perdahurica (Yokoyama, 1932) † (original description)
Martesia pulchella Yokoyama, 1932 accepted as Martesia striata (Linnaeus, 1758) (original description)
Nodularia pisciformis Yokoyama, 1932 † accepted as Lanceolaria pisciformis (Yokoyama, 1932) † (original description)
Nodularia subjapanensis Yokoyama, 1932 † accepted as Anodonta subjapanensis (Yokoyama, 1932) † (original description)
Thiara fiscina Yokoyama, 1932 † accepted as Semisulcospira fiscina (Yokoyama, 1932) † (original description)
Viviparus uryuensis Yokoyama, 1932 † accepted as Bellamya uryuensis (Yokoyama, 1932) † (original description)
Circe tokudai Yokoyama, 1932 † accepted as Corbicula tokudai (Yokoyama, 1932) † (original description)
Cyrena verecunda Yokoyama, 1932 † accepted as Astarte verecunda (Yokoyama, 1932) † (original description)
Margaritana perdahurica Yokoyama, 1932 † accepted as Margaritifera perdahurica (Yokoyama, 1932) † (original description)
Martesia pulchella Yokoyama, 1932 accepted as Martesia striata (Linnaeus, 1758) (original description)
Nodularia pisciformis Yokoyama, 1932 † accepted as Lanceolaria pisciformis (Yokoyama, 1932) † (original description)
Nodularia subjapanensis Yokoyama, 1932 † accepted as Anodonta subjapanensis (Yokoyama, 1932) † (original description)
Thiara fiscina Yokoyama, 1932 † accepted as Semisulcospira fiscina (Yokoyama, 1932) † (original description)
Viviparus uryuensis Yokoyama, 1932 † accepted as Bellamya uryuensis (Yokoyama, 1932) † (original description)
Hokkaido for Anodonta suavis Yokoyama, 1932 †
Hokkaido for Circe tokudai Yokoyama, 1932 †
Hokkaido for Cyrena verecunda Yokoyama, 1932 †
Hokkaido for Margaritana perdahurica Yokoyama, 1932 †
Hokkaido for Nodularia pisciformis Yokoyama, 1932 †
Hokkaido for Nodularia subjapanensis Yokoyama, 1932 †
Hokkaido for Thiara fiscina Yokoyama, 1932 †
Hokkaido for Viviparus uryuensis Yokoyama, 1932 †
Honshu for Marginella perovulum Yokoyama, 1922 †
Hokkaido for Circe tokudai Yokoyama, 1932 †
Hokkaido for Cyrena verecunda Yokoyama, 1932 †
Hokkaido for Margaritana perdahurica Yokoyama, 1932 †
Hokkaido for Nodularia pisciformis Yokoyama, 1932 †
Hokkaido for Nodularia subjapanensis Yokoyama, 1932 †
Hokkaido for Thiara fiscina Yokoyama, 1932 †
Hokkaido for Viviparus uryuensis Yokoyama, 1932 †
Honshu for Marginella perovulum Yokoyama, 1922 †
Stratigraphy
From the Lower Morokoshi Beds, probably Eocene or Oligocene in age (absolute age uncertain). [details]
Stratigraphy
From the Lower Morokoshi Beds, probably Eocene or Oligocene in age (absolute age uncertain). [details]
Type locality
"Lower Morokoshi Beds: The Shimodazawa, a branch of the Shisengawa; the Morokoshizawa, branch of the same river" ... [details]
Type locality
Thirty-five localities in the Okada, Numata and Tachibets beds (Uryu Group) of Uryu, Ishikari (Hokkaido, Japan) [details]
Type locality
"Lower Morokoshi Beds: In the Shimodazawa as well as in the Urashizawa, both tributaries of Shisengawa" (Hokkaido, ... [details]
Type locality
"Upper Tachibets Beds: The Rakkwanzawa, a branch of the Shisengawa; the Tomisawa and Hozawa, both branches of the ... [details]
Type locality
"Upper Tachibets Beds: The Sasakizawa; the Nasuzawa, a branch of the Urashimagawa. Lower Tachibets Beds: The ... [details]
Type locality
"Upper Tachibets beds: In the Sasakigawa. Lower Tachibets beds: In the Kenbokuzawa, a tributary of the Mappugawa" ... [details]
Type locality
"Lower Okada Beds: the Okadagawa. Upper Numata Beds: The Yorikizawa, a branch of the Urashimagawa. Lower Numata ... [details]
Type locality
"Upper Tachibets Beds: The Akaganezawa, a branch of the Okadagawa; the Tomisawa, a branch of the Nasuzawa which is ... [details]
