MolluscaBase name details
Megayoldia (Hataiyoldia) Kamada, 1962 †
1771850 (urn:lsid:marinespecies.org:taxname:1771850)
alternative representation
Subgenus
Portlandia (Hataiyoldia) Kamada, 1962 † · unaccepted > superseded rank
- Species Megayoldia (Hataiyoldia) tokunagai (Yokoyama, 1925) † represented as Megayoldia tokunagai (Yokoyama, 1925) †
marine
fossil only
(of Portlandia (Hataiyoldia) Kamada, 1962 †) Kamada, Y. (1962). Tertiary marine Mollusca from the Joban coal-field, Japan. <em>Palaeontological Society of Japan Special Papers.</em> 8: 1–187, 21 pls., available online at https://www.palaeo-soc-japan.jp/download/SP/SP8.pdf
page(s): 55 [details] Available for editors
[request]
page(s): 55 [details] Available for editors
[request]
MolluscaBase eds. (2025). MolluscaBase. Megayoldia (Hataiyoldia) Kamada, 1962 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1771850 on 2025-09-11
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
(of Portlandia (Hataiyoldia) Kamada, 1962 †) Kamada, Y. (1962). Tertiary marine Mollusca from the Joban coal-field, Japan. <em>Palaeontological Society of Japan Special Papers.</em> 8: 1–187, 21 pls., available online at https://www.palaeo-soc-japan.jp/download/SP/SP8.pdf
page(s): 55 [details] Available for editors [request]
basis of record Kafanov, A. I.; Ogasawara, K.; Noda, Y. (2005). Cenozoic molluscan (Bivalvia) cenozone of Hokkaido, Northern Japan. <em>Science Report, Institute of Geosciences, University of Tsukuba.</em> 26: 1-12. [details]
page(s): 55 [details] Available for editors
[request]basis of record Kafanov, A. I.; Ogasawara, K.; Noda, Y. (2005). Cenozoic molluscan (Bivalvia) cenozone of Hokkaido, Northern Japan. <em>Science Report, Institute of Geosciences, University of Tsukuba.</em> 26: 1-12. [details]
