| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sphaeroidinellopsis
Taxonomy
Sphaeroidinellopsis was named by Banner and Blow (1959) [Sepkoski's age data: T Mi-l-u T Plio-l]. It is not extant.
It was assigned to Sphaeroidinellinae by Banner and Blow (1959); to Foraminiferida by Sepkoski (2002); and to Globigerinidae by Snyder et al. (1983), Gibson (1983), Lam and Leckie (2020).
It was assigned to Sphaeroidinellinae by Banner and Blow (1959); to Foraminiferida by Sepkoski (2002); and to Globigerinidae by Snyder et al. (1983), Gibson (1983), Lam and Leckie (2020).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1959 | Sphaeroidinellopsis Banner and Blow |
| 1983 | Sphaeroidinellopsis Gibson p. 368 |
| 1983 | Sphaeroidinellopsis Snyder et al. p. 465 |
| 2002 | Sphaeroidinellopsis Sepkoski |
| 2020 | Sphaeroidinellopsis Lam and Leckie |
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. †Sphaeroidinellopsis Banner and Blow 1959
show all | hide all
†Sphaeroidinellopsis disjuncta Finlay 1940
†Sphaeroidinellopsis hancocki Bandy 1975
†Sphaeroidinellopsis kochi Caudri 1934
†Sphaeroidinellopsis paenedehiscens Blow 1969
†Sphaeroidinellopsis seminulina Schwager 1866
hide
Invalid names: Sphaeroidinellopsis subdehiscens Blow 1959 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. T. Banner and W. H. Blow 1959 | Test trochoid throughout life; chambers regularly enlarging, subglobular, or subreniform, or showing a tendency to become radially elongate in the adult, or embracing. Wall structure similar to that of Sphaeroidinella, but in some species the cortex is less strongly developed. Primary aperture interiomarginal, intraumbilical, a low arch or slit. furnished with a smooth or crenulate lip. No supplementary apertures are present . |