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Sinodiscus
Taxonomy
Sinodiscus was named by Chang (1974) [In Lu et al. (1974). Sepkoski's age data: Cm Atda-u Sepkoski's reference number: 463,464]. It is not extant. Its type is Sinodiscus shipaiensis.
It was assigned to Calodiscidae by Whittington et al. (1997); and to Agnostida by Sepkoski (2002).
It was assigned to Calodiscidae by Whittington et al. (1997); and to Agnostida by Sepkoski (2002).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Sinodiscus Chang |
| 1980 | Tologoja Korobov pp. 81 - 82 |
| 1997 | Sinodiscus Whittington et al. p. 392 |
| 2002 | Sinodiscus Sepkoski |
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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. †Sinodiscus Chang 1974
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†Sinodiscus changyangensis Zhang 1977
†Sinodiscus kunshanensis Zhang and Zhou 1985
†Sinodiscus shipaiensis Chang 1974
†Sinodiscus subquadratus Korobov 1980
†Sinodiscus trisulcatus Zhang and Zhou 1985
Invalid names: Tologoja Korobov 1980 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: Atdabanian or 521.00000 to 516.00000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Atdabanian | Kazakhstan | Tologoja subquadrata (225092) | |
| Atdabanian | China (Hubei) | S. changyangensis (141555) S. sp. (10501) | |
| Atdabanian | China (Guizhou) | S. shipaiensis (96642 96643 96650) | |
| Nangaoian | China (Jiangsu) | S. trisulcatus, S. kunshanensis (127383) | |
| Nangaoian | China (Henan) | S. changyangensis (127086) |