Foraminifera taxon details
Praeorbitolina japonica (Matsumaru, 2005) †
1822445 (urn:lsid:marinespecies.org:taxname:1822445)
accepted
Species
Praeorbitolinoides japonica Matsumaru, 2005 † · unaccepted > superseded combination (Opinion of Cherchi and Schroeder...)
Opinion of Cherchi and Schroeder (2009) [identical with transitional forms between Praeorbitolina cormyi and P. wienandsi Schroeder 1964]
marine
fossil only
(of Praeorbitolinoides japonica Matsumaru, 2005 †) Matsumaru, K. (2005). Praeorbitolinoides, a new Orbitolinid foraminiferal genus from the Lower Aptian (Cretaceous) of Hokkaido, Japan. <em>Micropaleontology.</em> 51(1): 93-99., available online at https://doi.org/10.2113/51.1.93 [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Praeorbitolina japonica (Matsumaru, 2005) †. Accessed at: https://marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=1822445 on 2026-09-21
Date
action
by
original description
(of Praeorbitolinoides japonica Matsumaru, 2005 †) Matsumaru, K. (2005). Praeorbitolinoides, a new Orbitolinid foraminiferal genus from the Lower Aptian (Cretaceous) of Hokkaido, Japan. <em>Micropaleontology.</em> 51(1): 93-99., available online at https://doi.org/10.2113/51.1.93 [details]
new combination reference Cherchi, A.; Schroeder, R. (2009). Revision of the orbitolinid foraminiferal genus Praeorbitolinoides Matsumaru 2005 from the Aptian of Hokkaido, Japan. <em>Micropaleontology.</em> 55(4): 421-424., available online at https://doi.org/10.47894/mpal.55.4.07 [details]
new combination reference Cherchi, A.; Schroeder, R. (2009). Revision of the orbitolinid foraminiferal genus Praeorbitolinoides Matsumaru 2005 from the Aptian of Hokkaido, Japan. <em>Micropaleontology.</em> 55(4): 421-424., available online at https://doi.org/10.47894/mpal.55.4.07 [details]
