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Sanqiaspis
Taxonomy
Sanqiaspis was named by Liu (1975). It is not extant.
It was assigned to Sanqiaspidae by Zhu and Gai (2007).
It was assigned to Sanqiaspidae by Zhu and Gai (2007).
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Sanqiaspis Liu |
| 2007 | Sanqiaspis Zhu and Gai p. 166 |
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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. †Sanqiaspis Liu 1975
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†Sanqiaspis rostrata Liu 1975
†Sanqiaspis sichuanensis P’an and Wang 1978
†Sanqiaspis vietnamensis Janvier et al. 2009
†Sanqiaspis zhaotongensis Liu 1975
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Carroll 1988, Kiessling 2004 | |||||
Age range: base of the Late/Upper Lochkovian to the top of the Pragian or 414.60000 to 410.62000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Lochkovian | Vietnam | S. vietnamensis (238525) | |
| Pragian | China | S. rostrata, S. zhaotongensis, S. sichuanensis (238089) | |
| Pragian | China (Yunnan) | S. zhaotongensis (196858) |