Belongs within: Planorbulinida.
The Planorbulinidae are an Eocene to Recent group of attached foraminiferans (Loeblich & Tappan 1964).
Characters (Loeblich & Tappan 1964): Test attached, early stage trochospiral, lateral with numerous chambers forming discoidal, cylindrical, conical or subglobular test; aperture single or multiple, peripheral.
<==Planorbulinidae
|--Neoplanorbulinella Matsumaru 1976B-F08
|--Peelella Matsumary 1996B-F08
|--Planolinderina Freudenthal 1969B-F08
|--Tayamaia Hanzawa 1967B-F08
|--Hyalinea Hofker 1951AB19, LT64 [=Hofkerinella Bermúdez 1952LT64]
| `--*H. balthica (Schröter 1783) [=Nautilus balthicus, *Hofkerinella balthica]LT64
|--Caribeanella Bermúdez 1952LT64 [incl. Oinomikadoina Matsunaga 1954LT64, Pseudocibicidoides Ujiié 1956LT64; CaribeanellinaeM13]
| |--*C. polystoma Bermúdez 1952LT64
| |--C. katasensis (Ujiié 1956) [=*Pseudocibicidoides katasensis]LT64
| `--C. ogiensis (Matsunaga 1954) [=*Oinomikadoina ogiensis]LT64
|--Planorbulina d’Orbigny 1826S-VC91 (see below for synonymy)
| |--*P. mediterranensis d’Orbigny 1826LT64
| |--P. acervalis Brady 1884S-VC91
| |--‘*Spirobotrys’ aegaea Ehrenberg 1844LT64
| |--‘*Asterodiscus’ forskalii Ehrenberg 1840LT64
| |--P. haidingeriiB64
| `--P. ungerianaB64
`--Planorbulinella Cushman 1927LT64
|--*P. larvata (Parker & Jones 1865) [=Planorbulina vulgaris var. larvata]LT64
|--P. inaequilateralisQ72
|--P. planaQ72
`--P. solidaB-F08
Planorbulina d’Orbigny 1826S-VC91 [incl. Asterodiscus Ehrenberg 1840LT64, Spirobotrys Ehrenberg 1844LT64; Asterodiscina, PlanorbulininaeM13]
*Type species of generic name indicated
References
[AB19] Adl, S. M., D. Bass, C. E. Lane, J. Lukeš, C. L. Schoch, A. Smirnov, S. Agatha, C. Berney, M. W. Brown, F. Burki, P. Cárdenas, I. Čepička, L. Chistyakova, J. del Campo, M. Dunthorn, B. Edvardsen, Y. Eglit, L. Guillou, V. Hampl, A. A. Heiss, M. Hoppenrath, T. Y. James, A. Karnkowska, S. Karpov, E. Kim, M. Kolisko, A. Kudryavtsev, D. J. G. Lahr, E. Lara, L. Le Gall, D. H. Lynn, D. G. Mann, R. Massana, E. A. D. Mitchell, C. Morrow, J. S. Park, J. W. Pawlowski, M. J. Powell, D. J. Richter, S. Rueckert, L. Shadwick, S. Shimano, F. W. Spiegel, G. Torruella, N. Youssef, V. Zlatogursky & Q. Zhang. 2019. Revisions to the classification, nomenclature, and diversity of eukaryotes. Journal of Eukaryotic Microbiology 66: 4–119.
[B-F08] BouDagher-Fadel, M. K. 2008. The Cenozoic larger benthic foraminifera: the Palaeogene. Developments in Palaeontology and Stratigraphy 21: 297–418.
[B64] Brady, H. B. 1864. Notes on Foraminifera new to the British fauna. Report of the British Association for the Advancement of Science 33 (Notices and Abstracts): 100–101.
[LT64] Loeblich, A. R., Jr & H. Tappan. 1964. Sarcodina: chiefly “thecamoebians” and Foraminiferida. In Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt C. Protista 2 vol. 2. The Geological Society of America and The University of Kansas Press.
[M13] Mikhalevich, V. I. 2013. New insight into the systematics and evolution of the Foraminifera. Micropaleontology 59 (6): 493–527.
[Q72] Quilty, P. G. 1972. The biostratigraphy of the Tasmanian marine Tertiary. Papers and Proceedings of the Royal Society of Tasmania 106: 25–44.
[S-VC91] Segura-Vernis, L. R., & A. L. Carreño. 1991. Foraminíferos y ostrácodos de la Laguna de La Paz, Baja California Sur, México. Inv. Mar. CICIMAR 6 (1): 195–224.