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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), Fang et al. (2005), Liang et al. (2009), Zhao et al. (2013), Moreno-Azanza et al. (2014), Zhang et al. (2017), Tanaka et al. (2023), Wang and Wang (2024).
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), Fang et al. (2005), Liang et al. (2009), Zhao et al. (2013), Moreno-Azanza et al. (2014), Zhang et al. (2017), Tanaka et al. (2023), Wang and Wang (2024).
Entered
by M. Carrano on 2005-08-22; modified by M. Carrano on 2019-06-25
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 |
| 2005 | Paraspheroolithus Fang et al. p. 684 |
| 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 |
| 2024 | Paraspheroolithus Wang and Wang p. 40 |
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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 et al. 2005
†Paraspheroolithus yangchengensis Fang 1998
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Benton 1983, Kiessling 2004, Marsh 1875 | |||||
Age range: base of the Coniacian to the top of the Maastrichtian or 89.80000 to 66.00000 Ma
Collections (24 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian - Santonian | China (Guangdong) | P. sp. (188428 204733) | |
| Cenomanian - Santonian | Mongolia (Ovorhangai) | Dinosauria indet. (13350) | |
| Early/Lower Turonian - Santonian | China (Henan) | P. sp. (65403) | |
| Early/Lower Turonian - Middle Campanian | China (Henan) | P. sp. (55688) | |
| Late/Upper Coniacian | China (Henan) | P. irenensis (275541) | |
| Coniacian - Santonian | China (Henan) | P. yangchengensis (275516 275517 275518 275520 275522 275523 275524) | |
| Middle Santonian | China (Henan) | P. sp. (97943) | |
| Campanian | China (Shandong) | Oolithes irenensis (71903 80118) Oolithes spheroides (80113 80115) | |
| Middle Campanian - Late/Upper Campanian | Mongolia (Omnogov) | P. irenensis (100265) Spheroolithidae indet. (65334) | |
| Middle Campanian - Late/Upper Campanian | China (Nei Mongol) | Dinosauria indet. (48934) Paraspheroolithes irenensis (49365) | |
| Campanian - Maastrichtian | China (Guangdong) | P. sanwangbacunensis (275420) | |
| Maastrichtian | Mongolia (Omnogov) | Spheroolithus sp. (65335) |