Peruvian Register of Marine Species
PeRMS source details
From the Lower Morokoshi Beds, probably Eocene or Oligocene in age (absolute age uncertain). [details]
From the Lower Morokoshi Beds, probably Eocene or Oligocene in age (absolute age uncertain). [details]
"Lower Morokoshi Beds: The Shimodazawa, a branch of the Shisengawa; the Morokoshizawa, branch of the same river" ... [details]
Thirty-five localities in the Okada, Numata and Tachibets beds (Uryu Group) of Uryu, Ishikari (Hokkaido, Japan) [details]
"Lower Morokoshi Beds: In the Shimodazawa as well as in the Urashizawa, both tributaries of Shisengawa" (Hokkaido, ... [details]
"Upper Tachibets Beds: The Rakkwanzawa, a branch of the Shisengawa; the Tomisawa and Hozawa, both branches of the ... [details]
"Upper Tachibets Beds: The Sasakizawa; the Nasuzawa, a branch of the Urashimagawa. Lower Tachibets Beds: The ... [details]
"Upper Tachibets beds: In the Sasakigawa. Lower Tachibets beds: In the Kenbokuzawa, a tributary of the Mappugawa" ... [details]
"Lower Okada Beds: the Okadagawa. Upper Numata Beds: The Yorikizawa, a branch of the Urashimagawa. Lower Numata ... [details]
"Upper Tachibets Beds: The Akaganezawa, a branch of the Okadagawa; the Tomisawa, a branch of the Nasuzawa which is ... [details]