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Spiroplectinata
Taxonomy
Spiroplectinata was named by Cushman (1927) [Sepkoski's age data: K Apti K Ceno-u]. It was considered monophyletic by Cushman (1927).
It was assigned to Spiroplectininae by Cushman (1927); and to Foraminiferida by Sepkoski (2002).
It was assigned to Spiroplectininae by Cushman (1927); and to Foraminiferida by Sepkoski (2002).
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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. †Spiroplectinata Cushman 1927
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Diagnosis
Reference | Diagnosis | |
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J. A. Cushman 1927 | Test with the early chambers planospiral, later ones biserial, sides of the test straight and nearly parallel, the last group of chambers uniserial with distinctly constricted necks and a rounded terminal aperture - Cretaceous. |
Measurements
No measurements are available
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Source: o = order | |||||
Reference: Kiessling 2004 |
Age range: base of the Early/Lower Albian to the top of the Middle Turonian or 112.03000 to 89.30000 Ma
Collections (5 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Albian | Romania | S. annectens (91389) | |
Early/Lower Albian | Tunisia | S. lata, S. sp. (56812) | |
Middle Albian | Tunisia | S. rectangularis (56813) | |
Late/Upper Albian | Tunisia | S. annectens (56815) | |
Early/Lower Turonian - Middle Turonian | Tanzania (Lindi) | S. sp. (179309) |