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Spiroplectella
Taxonomy
Spiroplectella was named by Earland (1934). It is extant. It is considered to be a form taxon. It was considered unknown by Earland (1934).
It was assigned to Spiroplectamminidae by Earland (1934).
It was assigned to Spiroplectamminidae by Earland (1934).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1934 | Spiroplectella Earland |
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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. Spiroplectella Earland 1934
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Earland 1934 | Test arenaceous, trimorphous, commencing with a spiral series of chambers, the peripheral edge of which is in line with, and in the same plane as the edge of the succeeding series; followed by a series of chambers arranged on a textularian plan, and concluding growth with a third series arrange in a straight line. |
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 Middle Miocene or 23.04000 to 11.63000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Miocene | North Pacific | S. earlandi (267883 267890 267902 267911) | |
| Middle Miocene | North Pacific | S. earlandi (267867 267868 267869 267870 267873 267876) |