Sorites orbiculus, copyright Jan Steger.

Belongs within: Soritida.

The Soritinae are a group of porcellaneous Foraminifera known from the Eocene to the present, characterised by a distinct pattern of chamber addition (Loeblich & Tappan 1964).

<==Soritidae (see below for synonymy)LT64
    |--Opertorbitolites Nuttall 1925LT64 [OpertorbitolitinaeM13]
    |    `--*O. douvillei Nuttall 1925LT64
    `--Soritinae [Orbitolitidinae, Orbitolitinae]C40
         |  i. s.: Orbitolites Lamarck 1801 (see below for synonymy)LT64
         |           `--*O. complanata Lamarck 1801 (see below for synonymy)LT64
         |         Somalina Nuttall 1925LT64, B-F08
         |           |--*S. stefaninii Silvestri 1939LT64
         |           `--S. hottingeriB-F08
         |         Yaberinella Vaughan 1928LT64
         |           |--*Y. jamaicensis Vaughan 1928LT64
         |           `--Y. hottingeriB-F08
         |         Neorhipidionina Hottinger 2007M13
         |           |--N. macfadyeniB-F08
         |           |--N. spiralisB-F08
         |           `--N. williamsoniB-F08
         |         Neotaberina Hottinger 2007M13
         |           `--N. neaniconicaB-F08
         |--Sorites Ehrenberg 1839PHT13, LT64 [=Taramellina Munier-Chalmas 1902LT64]
         |    |--S. marginalis (Lamarck 1816) (see below for synonymy)LT64
         |    |--S. duplexC40
         |    |--S. orbiculusC-SC03
         |    `--S. variabilisS05
         `--+--Marginopora Quoy & Gaimard in de Blainville 1830PHT13, LT64
            |    `--*M. vertebralis Quoy & Gaimard in de Blainville 1830 [incl. Orbitolites complanata laciniata]LT64
            `--Amphisorus Ehrenberg 1839PHT13, LT64 [incl. Bradyella Munier-Chalmas 1902LT64]
                 |--*A. hemprichii Ehrenberg 1839 [incl. Orbitolites duplex Carpenter 1883, *Bradyella duplex]LT64
                 `--A. martiniB-F08
Soritidae incertae sedis:
  Cyclorbiculinoides Robinson 1974B-F08
    `--C. jamaicensisB-F08
  Mardinella Meriç & Çoruh 1991B-F08
  Rhabdorites Fleury 1996B-F08
    |--R. malatyaensisB-F08
    `--R. urensisB-F08
  Twaraina Robinson 1993B-F08
    `--T. seiglieiB-F08
  Cyclorbiculina Silvestri 1937B-F08
    `--*C. compressa (d’Orbigny in de la Sagra 1839) [=Orbiculina compressa]LT64
  Edomia Henson 1948HW93
    `--*E. reicheli Henson 1948LT64
  Pseudorhipidionina de Castro 1971HW93

Orbitolites Lamarck 1801 [=Discolithus Fortis 1802, Orbitolithes Oken 1815, Orbitulites Bronn in Bronn & Roemer 1854 nec Berthold 1827 nec Eichwald 1829 nec Griffith & Pidgeon 1834; incl. Discolites de Montfort 1808]LT64

*Orbitolites complanata Lamarck 1801 [=*Discolithus complanatus, *Orbitulites complanatus; incl. *Discolites concentricus de Montfort 1808]LT64

Sorites marginalis (Lamarck 1816) [=Orbulites marginalis, Orbitolites marginatis; incl. *S. dominicensis Ehrenberg 1839, *Taramellina dominicensis]LT64

Soritidae [Cristacidae, Cristata, Cristellarida, Cristellaridae, Cristellaridea, Cristellarideae, Cristellariidae, Cristellarioidea, Cristellaroidi, Myrioporina, Orbiculinida, Orbitolitidae, Orbitulita, Orbitulitida, Orbitulitidea, Orbitulitideae, Orbitulitidee, Planulacea, Poritida, Soritina]LT64

*Type species of generic name indicated


[B-F08] BouDagher-Fadel, M. K. 2008. The Cenozoic larger benthic foraminifera: the Palaeogene. Developments in Palaeontology and Stratigraphy 21: 297–418.

[C-SC03] Cavalier-Smith, T., & E. E.-Y. Chao. 2003. Phylogeny and classification of phylum Cercozoa. Protist 154: 341–358.

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

[HW93] Hart, M. B., & C. L. Williams. 1993. Protozoa. In: Benton, M. J. (ed.) The Fossil Record 2 pp. 43–70. Chapman & Hall: London.

[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.

[PHT13] Pawlowski, J., M. Holzmann & J. Tyszka. 2013. New supraordinal classification of Foraminifera: molecules meet morphology. Marine Micropalaeontology 100: 1–10.

[S05] Semeniuk, T. A. 2005. Fossil foraminiferal assemblages from Pleistocene seagrass-bank deposits of the southern Perth Basin, Western Australia, and their palaeotemperature implications. Journal of the Royal Society of Western Australia 88 (4): 177–190.

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