Foraminifera taxon details
Nummulitoidea Blainville, 1827
- Family Discocyclinidae Galloway, 1928 †
- Family Nummulitidae Blainville, 1827
- Family Orbitoclypeidae Brönnimann, 1946 †
- Family Pellatispiridae Hanzawa, 1937 †
- Family Asterocyclinidae Brönnimann, 1951 † accepted as Orbitoclypeidae Brönnimann, 1946 † (Subjective junior synonym Opinion of Caudri (1972), Özcan et al. (2019))
marine, fresh
Not documented
Diagnosis Test planispiral, evolute to involute, lenticular, discoidal to globular; chambers numerous and may be subdivided into...
Diagnosis Test planispiral, evolute to involute, lenticular, discoidal to globular; chambers numerous and may be subdivided into chamberlets, equatorial chambers and lateral chamberlets may be differentiated, and later chambers may be added in annular series; septal flap present as in Rotaliacea; subsutural canals, spiral marginal cord and spiral canal system present in early forms but modified in later ones or replaced by intraseptal canals in advanced forms. Paleocene to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
Foraminifera (2021). Nummulitoidea Blainville, 1827. Accessed at: https://www.marinespecies.org/foraminifera./aphia.php?p=taxdetails&id=519456 on 2025-04-29
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additional source
Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ [details] Available for editors 
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Diagnosis Test planispiral, evolute to involute, lenticular, discoidal to globular; chambers numerous and may be subdivided into chamberlets, equatorial chambers and lateral chamberlets may be differentiated, and later chambers may be added in annular series; septal flap present as in Rotaliacea; subsutural canals, spiral marginal cord and spiral canal system present in early forms but modified in later ones or replaced by intraseptal canals in advanced forms. Paleocene to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
