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Spongentactinia
Taxonomy
Spongentactinia was named by Nazarov (1975) [Sepkoski's age data: O Cara-u P Leon Sepkoski's reference number: 546].
It was assigned to Retentactiniinae by Won (1997); to Spumellaria by Sepkoski (2002); to Entactiniinae by Nazarov and Ormiston (1983), Aitchison (1993) and Wang et al. (2003); to Spongentactiniidae by De Wever et al. (2001) and Takahashi and Miyake (2014); and to Entactiniidae by Noble et al. (2017).
It was assigned to Retentactiniinae by Won (1997); to Spumellaria by Sepkoski (2002); to Entactiniinae by Nazarov and Ormiston (1983), Aitchison (1993) and Wang et al. (2003); to Spongentactiniidae by De Wever et al. (2001) and Takahashi and Miyake (2014); and to Entactiniidae by Noble et al. (2017).
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Spongentactinia Nazarov |
| 1983 | Spongentactinia Nazarov and Ormiston |
| 1993 | Spongentactinia Aitchison |
| 1997 | Spongentactinia Won |
| 2001 | Spongentactinia De Wever et al. p. 181 |
| 2002 | Spongentactinia Sepkoski |
| 2003 | Spongentactinia Wang et al. p. 136 |
| 2014 | Spongentactinia Takahashi and Miyake p. 284 |
| 2017 | Spongentactinia 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. †Spongentactinia Nazarov 1975
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†Spongentactinia ambigua Won 1997
†Spongentactinia flexa Won 1997
†Spongentactinia fungosa Nazarov 1975
†Spongentactinia incerta Nestell et al. 2012
†Spongentactinia indisserta Nazarov 1975
†Spongentactinia inusitata Won 1997
†Spongentactinia invenusta Aitchison 1993
†Spongentactinia marina Afanasieva and Amon 2011
†Spongentactinia mira Won 1997
†Spongentactinia nupera Nazarov 1981
†Spongentactinia polaris Afanasieva and Amon 2011
†Spongentactinia rigida Amon et al. 1990
†Spongentactinia shaijingpoensis Wang 2000
†Spongentactinia simensis Amon et al. 1990
†Spongentactinia subtiradiata Nazarov 1975
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: base of the Early/Lower Frasnian to the top of the Smithian or 383.70000 to 247.20000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Givetian | Australia (Queensland) | S. sp. (90992) | |
| Givetian | China (Yunnan) | S. shaijingpoensis (90904) | |
| Early/Lower Frasnian | Australia (Western Australia) | Polyentactinia invenusta, S. flexa, S. inusitata, S. ambigua, S. mira (233596) | |
| Frasnian | Australia (Western Australia) | S. sp. (233600) | |
| Changhsingian | China (Guangxi) | S. sp. (95333 95334) | |
| Smithian | Vietnam | S. sp. (143596 155516) |