Cymbaloporidae

Halkyardia minima, from Cardiff University.

Belongs within: Rotaliida.

The Cymbaloporidae are a group of trochospiral Foraminifera known from the Upper Cretaceous to the present day (Loeblich & Tappan 1964b).

Characters (from Loeblich & Tappan 1964b): Test trochospiral, later chambers in annular series in single flat or conical layer; apertures numerous, variously arranged circular pores.

<==Cymbaloporidae
    |--Cymbalopora von Hagenow 1851 C40, LT64b
    |    `--*C. radiata von Hagenow 1851 LT64b
    `--+--Cymbaloporetta Cushman 1928 C40
       |    `--*C. squammosa (d’Orbigny in de la Sagra 1839) [=Rosalina squammosa] LT64b
       |--Cymbaloporella Cushman 1927 C40
       |    `--*C. tabellaeformis (Brady 1884) [=Cymbalopora tabellaeformis] LT64b
       `--Halkyardia Heron-Allen & Earland in Halkyard 1918 C40, LT64b
            |--*H. minima (Liebus 1911) [=Cymbalopora radiata var. minima] C40
            `--H. bikiniensis LT64b

Cymbaloporidae incertae sedis:
  Pyropilus Cushman 1934 C40
    `--*P. rotundatus Cushman 1934 C04
  Fabiania Silvestri 1924 [incl. Eodictyoconus Cole & Bermúdez 1944, Tschoppina Keijzer 1945] LT64b
    |--*F. cassis (Oppenheim 1896) [=Patella (Cymbiola) cassis] LT64b
    `--F. cubensis (Cushman & Bermúdez 1936) (see below for synonymy) LT64b
  Gunteria Cushman & Ponton 1933 LT64a, C40
    `--*G. floridana Cushman & Ponton 1933 C40
  Archaecyclus Silvestri 1908 LT64b
    `--*A. cenomaniana (Seguenza 1882) [=Planorbulina cenomaniana] LT64b
  Eofabiania Küpper 1955 LT64b
    `--*E. grahami Küpper 1955 LT64b

Fabiania cubensis (Cushman & Bermúdez 1936) [=Pseudorbitolina cubensis, *Eodictyoconus cubensis, *Tschoppina cubensis] LT64b

*Type species of generic name indicated

REFERENCES

[C40] Cushman, J. A. 1940. Foraminifera: Their classification and economic use 3^rd ed. Harvard University Press: Cambridge (Massachusetts).

[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.