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Paraspheroolithus
Taxonomy
Paraspheroolithus was named by Zhao (1979). It is considered to be a form taxon. Its type is Spheroolithus irenensis.
It was synonymized subjectively with Spheroolithus by Mikhailov (2000).
It was assigned to Spheroolithidae by Zhao (1979), Mikhailov (1994), Zhao (1994), Cousin (2002), Fang et al. (2003), Liang et al. (2009), Zhao et al. (2013), Moreno-Azanza et al. (2014), Zhang et al. (2017), Tanaka et al. (2023).
It was synonymized subjectively with Spheroolithus by Mikhailov (2000).
It was assigned to Spheroolithidae by Zhao (1979), Mikhailov (1994), Zhao (1994), Cousin (2002), Fang et al. (2003), Liang et al. (2009), Zhao et al. (2013), Moreno-Azanza et al. (2014), Zhang et al. (2017), Tanaka et al. (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Paraspheroolithus Zhao p. 332 |
| 1994 | Paraspheroolithus Mikhailov p. 151 |
| 1994 | Paraspheroolithus Zhao p. 188 |
| 2002 | Paraspheroolithus Cousin p. 45 |
| 2003 | Paraspheroolithus Fang et al. p. 517 |
| 2009 | Paraspheroolithus Liang et al. p. 1590 |
| 2013 | Paraspheroolithus Zhao et al. p. 4665 |
| 2014 | Paraspheroolithus Moreno-Azanza et al. p. 79 |
| 2017 | Paraspheroolithus Zhang et al. p. 191 |
| 2023 | Paraspheroolithus Tanaka et al. p. 180 |
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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. †Paraspheroolithus Zhao 1979
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†Paraspheroolithus irenensis Chao and Chiang 1974
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Invalid names: Spheroolithus tenuicorticus Mikhailov 1994 [synonym]
†Paraspheroolithus sanwangbacunensis Fang 2005
†Paraspheroolithus yangchengensis Xiaosi 1998
Diagnosis
No diagnoses are available