Foraminifera name details
Praeorbitolinoides Matsumaru, 2005 †
1063028 (urn:lsid:marinespecies.org:taxname:1063028)
unaccepted > junior subjective synonym (Subjective junior synonym Opinion of Cherchi and Schroeder (2009))
Genus
Praeorbitolinoides japonica Matsumaru, 2005 † accepted as Praeorbitolina japonica (Matsumaru, 2005) † (type by original designation)
- Species Praeorbitolinoides japonica Matsumaru, 2005 † accepted as Praeorbitolina japonica (Matsumaru, 2005) † (unaccepted > superseded combination, Opinion of Cherchi and Schroeder (2009) [identical with transitional forms between Praeorbitolina cormyi and P. wienandsi Schroeder 1964])
marine, brackish, fresh, terrestrial
fossil only
feminine
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
page(s): p. 95 [details]
page(s): p. 95 [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Praeorbitolinoides Matsumaru, 2005 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=1063028 on 2026-08-19
Date
action
by
original description
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
page(s): p. 95 [details]
source of synonymy 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]
page(s): p. 95 [details]
source of synonymy 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]