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Spiroporina
Taxonomy
Spiroporina was named by Stoliczka (1865) [Sepkoski's age data: T Eo-u Sepkoski's reference number: 1260]. It is not extant.
It was assigned to Schizoporellidae by Brown (1952); to Gigantoporidae by Canu and Bassler (1935) and Bassler (1953); to Spiroporinidae by Cheetham (1972); and to Cyclostomata by Sepkoski (2002).
It was assigned to Schizoporellidae by Brown (1952); to Gigantoporidae by Canu and Bassler (1935) and Bassler (1953); to Spiroporinidae by Cheetham (1972); and to Cyclostomata by Sepkoski (2002).
Species
Synonyms
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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. †Spiroporina Stoliczka 1865
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†Spiroporina deliqua Cheetham 1972
†Spiroporina kondoi Cheetham 1972
Spiroporina pentagona d'Orbigny 1842
†Spiroporina polypora Brown 1952
†Spiroporina tenuis Canu and Bassler 1935
Invalid names: Haswellia [objective synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Smith et al. 2006 | |||||
Age range
Maximum range based only on fossils: base of the Runangan to the top of the Castlecliffian or 36.00000 to 0.34000 Ma
Minimum age of oldest fossil (stem group age): 34.3 Ma
Minimum age of oldest fossil (stem group age): 34.3 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Priabonian | Tonga (Eua) | S. kondoi (166842) S. kondoi, S. deliqua (166841) | |
| Runangan | New Zealand | S. pentagona (173838) | |
| Chattian | Australia (Victoria) | S. tenuis (174145) | |
| Altonian | New Zealand | S. pentagona, S. polypora (173830) | |
| Langhian | Australia (Victoria) | S. tenuis (174139) | |
| Waiauan | New Zealand | S. pentagona (173831) | |
| Castlecliffian | New Zealand | S. pentagona, S. polypora (173732) S. polypora (173733 173734) |