Silicosigmoilina groenlandica, copyright P. E. Jerna.

Belongs within: Miliamminana.

The Rzehakinidae are a group of agglutinated or siliceous Foraminifera known from the Lower Cretaceous to the present (Loeblich & Tappan 1964).

Characters (from Loeblich & Tappan 1964): Test free, proloculus followed by tubular chambers, about half coil in length and added in various planes; wall siliceous or agglutinated, generally insoluble in acid.

Rzehakinidae [Paramiliolidae, Rzehakinacea]LT64
|--Rzehakina Cushman 1927 [Rzehakininae]LT64
| `--*R. epigona (Rzehak 1895) [=Silicina epigona]LT64
|--Spirosigmoilinella Matsunaga 1955LT64
| `--*S. compressa Matsunaga 1955LT64
|--Psamminopelta Tappan 1957LT64 [incl. SpiroglutinaM13; Psamminopeltinae, Spiroglutininae]
| |--*P. bowsheri Tappan 1957LT64
| |--P. asperula (Karrer 1868) [=Spiroloculina asperula, *Spiroglutina asperula]M13
| `--P. gradsteiniH03
`--Silicosigmoilina Cushman & Church 1929 [incl. Bramletteia Israelsky 1951]LT64
|--*S. californica Cushman & Church 1929LT64
|--S. abyssalicaH03
|--S. groenlandica (Cushman 1933) [=Quinqueloculina fusca var. groenlandica]H03
`--S. perplexa Israelsky 1951 [=S. (*Bramletteia) perplexa]LT64

*Type species of generic name indicated


[H03] Hanagata, S. 2003. Miocene–Pliocene Foraminifera from the Niigata oil-fields region, northeastern Japan. Micropaleontology 49 (4): 293–340.

[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. 1. 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.

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