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Ammoelphidiella
Taxonomy
Ammoelphidiella was named by Conato and Segre (1974) [Sepkoski's age data: Q Plei]. It was considered unknown by Conato and Segre (1974).
It was assigned to Faujasininae by Conato and Segre (1974); and to Foraminiferida by Sepkoski (2002).
It was assigned to Faujasininae by Conato and Segre (1974); and to Foraminiferida by Sepkoski (2002).
Species
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by K. Jamson on 2021-01-26
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Ammoelphidiella Conato and Segre |
| 1986 | Trochoelphidiella Leckie and Webb |
| 2002 | Ammoelphidiella Sepkoski |
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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. †Ammoelphidiella Conato and Segre 1974
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†Ammoelphidiella pustulosa Leckie and Webb 1986
Invalid names: Trochoelphidiella Leckie and Webb 1986 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| V. Conato and A. G. Segre 1974 | calcareous plasmostracus, free, trocospiral; spiral side convex, numerous chambers, gradually increasing in size, arched and oblique sutures with respect to the peripheral margin; rounded periphery; umbilical side flat or slightly concave with a few chambers separated by straight sutures in the center, slightly arched at the periphery with two rows of sparse holes on the sides; surface covered by a dense granulation that extends partially also to the side spiral and hiding the sutural areas; opening consisting of holes
often obliterated at the base of the apertural chamber. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Early/Lower Miocene to the top of the Late/Upper Miocene or 23.04000 to 5.33300 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Miocene | Southern Ocean | A. uniforamina, A. pustulosa (249278) | |
| Middle Miocene | Southern Ocean | A. uniforamina (249277) | |
| Late/Upper Miocene | Southern Ocean | A. sp. (249643) A. uniforamina (249642 249645) |