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Ammosphaeroidina
Taxonomy
Ammosphaeroidina was named by Cushman (1910). It is extant. It was considered monophyletic by Cushman (1910).
It was assigned to Ammosphaeroidinidae by Cushman (1910); to Ammosphaeroidininae by Cushman (1927); and to Foraminiferida by Sepkoski (2002).
It was assigned to Ammosphaeroidinidae by Cushman (1910); to Ammosphaeroidininae by Cushman (1927); and to Foraminiferida by Sepkoski (2002).
Synonymy list
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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. Ammosphaeroidina Cushman 1910
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. A. Cushman 1910 | Test globose, arenaceous, early portion spiral, later chambers like Sphaeroidina in form embracing; aperture rounded, at one side of the chamber in the adult. This genus in its general external characters much resembles Spaeroidina, but has a rather coarse arenaceous test. |