Belongs within: Nodosariina.
Frondicularia is a Permian to Recent genus of foraminiferans with a flattened test (Loeblich & Tappan 1964).
Characters (Loeblich & Tappan 1964): Test free, elongate or palmate, flattened; chambers low, broad and equitant; sutures strongly arched or angled at centre of test; aperture terminal, radiate, may be produced on short neck.
Frondicularia Defrance 1826W76 (see below for synonymy)
|--*F. complanata (Defrance 1824) [=Renulina complanata]LT64
|--F. alataC40
|--F. annularis d’Orbigny 1846 [=*Annulofrondicularia annularis]LT64
|--F. archiacianaC40
|--F. carinata Burbach 1886 [=*Pseudofrondicularia carinata]LT64
|--F. goldfussiC40
|--F. gracilisC40
|--F. inaequalisJW99
|--F. inflata (M.-Maclay 1954) [=Geinitzina inflata]W76
|--F. inversa Reuss 1844 [=*Frondovaginulina inversa]LT64
|--F. longistriata Cushman 1921A68
|--‘*Pleiona’ princeps Franzenau 1888LT64
`--F. trimorpha Goddard & Jensen 1907Q72
Frondicularia Defrance 1826W76 [incl. Annulofrondicularia Keijzer 1945LT64, Frondovaginulina Schubert 1912LT64, Pleiona Franzenau 1888 non Deyrolle 1864LT64, Pseudofrondiculara Wedekind 1937LT64; Frondiculariinae]
*Type species of generic name indicated
References
[A68] Albani, A. D. 1968. Recent Foraminiferida of the central coast of New South Wales. AMSA Handbook 1: 1–37.
[C40] Cushman, J. A. 1940. Foraminifera: Their classification and economic use 3rd ed. Harvard University Press: Cambridge (Massachusetts).
[JW99] Jian, Z.-M., L.-J. Wang, M. Kienast, M. Sarnthein, W. Kuhnt, H.-L. Lin & P.-X. Wang. 1999. Benthic foraminiferal paleoceanography of the South China Sea over the last 40,000 years. Marine Geology 156: 159–186.
[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.
[Q72] Quilty, P. G. 1972. The biostratigraphy of the Tasmanian marine Tertiary. Papers and Proceedings of the Royal Society of Tasmania 106: 25–44.
[W76] Wang K. 1976. The foraminifera from the Changhsing Formation in western Guizhou. Acta Palaeontologica Sinica 15 (2): 187–195.