| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Orthomorphina
Taxonomy
Orthomorphina was named by Stainforth (1952) [Sepkoski's age data: T Eo-m-l R]. It was considered unknown by Stainforth (1952).
It was assigned to Glandulonodosariidae by Stainforth (1952); and to Foraminiferida by Sepkoski (2002).
It was assigned to Glandulonodosariidae by Stainforth (1952); and to Foraminiferida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Orthomorphina Stainforth |
| 2002 | Orthomorphina Sepkoski |
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. †Orthomorphina Stainforth 1952
show all | hide all
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. M. Stainforth 1952 | Calcareous, uniserial, straight, thin shelled, smooth or lightly costate. Chambers usually inflated, sutures distinct. Early chambers usually globular, later chambers tending to become lengthened and apiculate, though in each chamber but the last the projecting portion is hidden under the next formed chamber. Chamber arrangement typically slightly irregular, with one or two of the median chambers often larger than the terminal chamber. Usually from five to seven chambers, rarely more than seven. Aperture terminal, central, variously a simple circular orifice as in O. rohri, a s:mple apiculate neck as in O. obsoleta, or an apiculate neck with a thickened or everted rim as in O. havanensis or O.challengeriana. |