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Neorotalia

Calcarinidae

Taxonomy
Neorotalia was named by Bermúdez (1952) [Sepkoski's age data: T Eo-m R]. It is extant. It was considered unknown by Bermúdez (1952).

It was assigned to Pararotaliinae by Bermúdez (1952); and to Foraminiferida by Sepkoski (2002).

Synonymy list
YearName and author
1952Neorotalia Bermúdez
2002Neorotalia Sepkoski

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RankNameAuthor
kingdomChromistaCavalier-Smith 1981
subkingdomRhizaria()
phylumForaminifera(Eichwald 1830)
suborderRotaliinaDelage and Herouard 1896
RankNameAuthor
superfamilyRotaliaceaEhrenberg 1839
familyCalcarinidae
subfamilyPararotaliinae
genusNeorotalia

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. Neorotalia Bermúdez 1952
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Diagnosis
ReferenceDiagnosis
P. J. Bermúdez 1952Trochoid shell, subcircular, biconvex; calcareous wall, thick, of a smooth consistency, dull, rough, often adorned with papillae and strong incisions in the sutures of the last chambers; numerous chambers rapidly increasing in size, all visible on the dorsal side and only those of the last turn of the turn on the ventral side, simple sutures often even with the surface; umbilical region occupied by a thick umbonal nodule that acts as a simple and solid pillar, rarely divided into several nodules; with interseptal canal system; simple opening like a groove at the base of the last chamber between the umbo and the periphery. Dimension: 1 mm. Cretaceous superior to Oligocene.