Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Neorotalia
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).
It was assigned to Pararotaliinae by Bermúdez (1952); and to Foraminiferida by Sepkoski (2002).
Is something missing? Join the Paleobiology Database and enter the data
|
|
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
show all | hide all
Diagnosis
Reference | Diagnosis | |
---|---|---|
P. J. Bermúdez 1952 | Trochoid 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. |