Rotaliporidae

Hedbergella delrioensis, from here.

Belongs within: Rotaliida.

The Rotaliporidae are a group of planktonic Foraminifera known from the Cretaceous. In members of the subfamily Hedbergellinae, the test has a single primary aperture only, commonly with a prominent apertural lip. In the Rotaliporinae, there are also secondary sutural apertures present on the umbilical side (Loeblich & Tappan 1964b).

Characters (from Loeblich & Tappan 1964b): Coiling trochospiral; primary aperture extraumbilical-umbilical, with relatively prominent lip; may have secondary sutural apertures on umbilical side opening into posterior margin of chambers.

<==Rotaliporidae
    |--Rotaliporinae LT64b
    |    |--Ticinella Reichel 1950 LT64b
    |    |    |--*T. roberti (Gandolfi 1942) [=Anomalina roberti, Globotruncana (*Ticinella) roberti] LT64b
    |    |    |--T. bejaouaensis K79
    |    |    |--T. praeticinensis K79
    |    |    `--T. primula K79
    |    `--Rotalipora Brotzen 1942 [incl. Thalmanninella Sigal 1948] LT64b
    |         |--R. cushmani (Morrow 1934) [=Globorotalia cushmani; incl. *R. turonica Brotzen 1942] LT64b
    |         |--R. appenninica LT64a [=Thalmanninella appenninica BL79]
    |         |--R. evoluta S02
    |         |--R. gandolfii K79
    |         |--R. greenhornensis (Morrow 1934) (see below for synonymy) LT64b
    |         |--R. reicheli K79
    |         `--R. ticinensis K79 [=Thalmanninella ticinensis BL79]
    `--Hedbergellinae LT64b
         |--Clavihedbergella Banner & Blow 1959 LT64a
         |    `--*C. subcretacea (Tappan 1943) (see below for synonymy) LT64b
         |--Praeglobotruncana Bermúdez 1952 [incl. Rotundina Subbotina 1953] LT64b
         |    |--*P. delrioensis (Plummer 1931) [=Globorotalia delrioensis] LT64b
         |    `--P. stephani (Gandolfi 1942) [=Globotruncana stephani, *Rotundina stephani] LT64b
         `--Hedbergella Brönnimann & Brown 1958 [incl. Planogyrina Zakharova-Atabekyan 1961] LT64b
              |--*H. trocoidea (Gandolfi 1942) (see below for synonymy) LT64b
              |--H. aptica BL79
              |--H. delrioensis M08
              |--‘Globigerina’ gaultina Morozova 1948 [=*Planogyrina gaultina] LT64b
              |--H. hoterivica K79
              |--H. lehmanni K79
              |--H. monmouthensis Olsson 1960 FM03
              |--H. planispira BL79
              |--H. sigali K79
              `--H. simplex K79

*Clavihedbergella subcretacea (Tappan 1943) [=Hastigerinella subcretacea, Praeglobotruncana (*Clavihedbergella) subcretacea] LT64b

*Hedbergella trocoidea (Gandolfi 1942) [=Anomalina lorneiana var. trocoidea, Praeglobotruncana (*Hedbergella) trocoidea] LT64b

Rotalipora greenhornensis (Morrow 1934) [=Globorotalia greenhornensis; incl. *Thalmanninella brotzeni Sigal 1948] LT64b

*Type species of generic name indicated

REFERENCES

[BL79] Basov, V. A., B. G. Lopatin, I. S. Gramberg, A. I. Danjushevskaya, V. Ya. Kaban’kov, V. M. Lazurkin & D. K. Patrunov. 1979. Lower Cretaceous lithostratigraphy near Galicia Bank. Initial Reports of the Deep Sea Drilling Project 47: 683–717.

[FM03] Friedrich, O., & K. J. S. Meier. 2003. Stable isotope indication for the cyst formation depth of Campanian/Maastrichtian calcareous dinoflagellates. Micropaleontology 49 (4): 375–380.

[K79] Kauffman, E. G. 1979. Cretaceous. In: Robison, R. A., & C. Teichert (eds) Treatise on Invertebrate Paleontology pt A. Introduction. Fossilisation (Taphonomy), Biogeography and Biostratigraphy pp. A418–A487. The Geological Society of America, Inc.: Boulder (Colorado), and The University of Kansas: Lawrence (Kansas).

[LT64a] Loeblich, A. R., Jr & H. Tappan. 1964a. Sarcodina: chiefly “thecamoebians” and Foraminiferida. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt C. Protista 2 vol. 1. The Geological Society of America and The University of Kansas Press.

[LT64b] Loeblich, A. R., Jr & H. Tappan. 1964b. 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.

[M08] McMillan, I. K. 2008. Reappraisal of foraminiferal assemblages of the Santonian–Campanian Mzamba Formation type section, and their correlation with the stratigraphic succession of the KwaZulu Basin. African Natural History 4: 25–34.

[S02] Scott, R. W. 2002. Albian caprinid rudists from Texas re-evaluated. Journal of Paleontology 76 (3): 408–423.