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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Retisphaera
Taxonomy
Retisphaera was named by Won (1997). It is not extant.
It was assigned to Retentactiniinae by Won (1997); to Spongentactiniidae by De Wever et al. (2001); and to Entactiniidae by Noble et al. (2017).
It was assigned to Retentactiniinae by Won (1997); to Spongentactiniidae by De Wever et al. (2001); and to Entactiniidae by Noble et al. (2017).
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Retisphaera Won |
| 2001 | Retisphaera De Wever et al. p. 181 |
| 2017 | Retisphaera Noble et al. p. 447 |
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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. †Retisphaera Won 1997
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†Retisphaera concinna Aitchison 1993
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Invalid names: Somphoentactinia cavata Aitchison 1993 [synonym], Spongentactinia exquisita Aitchison 1993 [synonym]
†Retisphaera distratalis Won 1997
†Retisphaera ovata Won 1997
†Retisphaera rota Won 1997
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: Early/Lower Frasnian or 383.70000 to 382.40000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Frasnian | Australia (Western Australia) | R. distratalis, R. ovata, R. rota, Somphoentactinia cavata, Spongentactinia concinna, Spongentactinia exquisita (233596) |