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Spirotextularia
Taxonomy
Spirotextularia was named by Cushman (1927). It is extant. It was considered monophyletic by Loeblich and Tappan (1987).
It was assigned to Spiroplectamminidae by Loeblich and Tappan (1987).
It was assigned to Spiroplectamminidae by Loeblich and Tappan (1987).
Synonymy list
| Year | Name and author |
|---|---|
| 1927 | Spirotextularia Cushman |
| 1987 | Spirotextularia Loeblich and Tappan |
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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. Spirotextularia Cushman 1927
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. R. Loeblich and H. Tappan 1987 | Test with planispiral coil of one whorl, chambers laterally produced, internally a secondary septum cuts off the outer part of each chamber, leaving no connection from the distal chamberlet to the main chamber lumen; wall agglutinated, commonly of calcareous fragments, noncanaliculate, surface smoothly to roughly finished; aperture interiomarginal, a low arch against the previous chamber. Holocene. The internal structure and wall characters of Spirotextularia, and the synonymy of Fissotextularia and Neoseptigerina were discussed by Loeblich and Tappan (1985). |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range: Priabonian or 38.00000 to 33.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Priabonian | USA (Louisiana) | S. mississippiensis (55251) |