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Parechidnina
Taxonomy
Parechidnina was named by Kozur et al. (1996). Its type is Parechidnina aspinosa.
It was assigned to Radiolaria by Won and Iams (2002); and to Echidninidae by Kozur et al. (1996), De Wever et al. (2001), Noble et al. (2017).
It was assigned to Radiolaria by Won and Iams (2002); and to Echidninidae by Kozur et al. (1996), De Wever et al. (2001), Noble et al. (2017).
Species
Aitchisonellum aspinosus, P. aspinosa (type species), P. delicata, P. densa, P. imperfecta, P. jamesi, P. nevadensis, P. variospina
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1996 | Parechidnina Kozur et al. |
| 1999 | Aitchisonellum Won and Below p. 352 |
| 2001 | Parechidnina De Wever et al. p. 87 |
| 2002 | Parechidnina Won and Iams p. 30 |
| 2017 | Parechidnina Noble et al. p. 434 |
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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. †Parechidnina Kozur et al. 1996
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†Parechidnina aspinosa Won, in Won and Below 1999
†Parechidnina delicata Won et al. 2005
†Parechidnina densa Maletz and Bruton 2007
†Parechidnina imperfecta Won and Iams 2015
†Parechidnina jamesi Won and Iams 2002
†Parechidnina nevadensis Kozur et al. 1996
†Parechidnina variospina Won et al. 2005
Invalid names: Aitchisonellum Won and Below 1999 [synonym]
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 Trempealeauan to the top of the Tremadoc or 490.20000 to 477.10000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Franconian | Canada (Newfoundland and Labrador) | P. aspinosa, P. jamesi (90965) P. jamesi (90967 90968) | |
| Trempealeauan | Canada (Newfoundland and Labrador) | P. aspinosa, P. jamesi (90971) | |
| Tremadoc | USA (Nevada) | P. nevadensis (90927) |