Allogromiida
| Allogromiida Temporal range: Early Cambrian - Recent |
|
|---|---|
| Scientific classification | |
| (unranked): | SAR |
| (unranked): | Rhizaria |
| Phylum: | Granuloreticulosa |
| Subphylum: | Foraminifera |
| Class: | Monothalamea |
| Order: | Allogromiida |
| Superfamilies | |
|
Allogromida incertae sedis |
|
Allogromida incertae sedis
Ammodiscacea
Astrorhizacea
Hippocrepinacea
Lagynacea
Komokiacea
The Allogromiida is an order of single-chambered, mostly organic-walled foraminiferans, including some that produce agglutinated tests (Lagynacea). Genetic studies indicate that some foraminiferans with agglutinated tests, previously included in the Textulariida or as their own order Astrorhizida, may also belong here. Allogromiids produce relatively simple tests, usually with a single chamber, similar to those of other protists such as Gromia. They are found as both marine and freshwater forms, and are the oldest forams known from the fossil record.
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