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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sanqiaspidae
Taxonomy
Sanqiaspidae was named by Liu (1975). It is not extant.
It was assigned to Huananaspidiformes by Zhu and Gai (2007).
It was assigned to Huananaspidiformes by Zhu and Gai (2007).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Sanqiaspidae Liu |
| 2007 | Sanqiaspidae Zhu and Gai p. 165 |
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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.
Fm. †Sanqiaspidae Liu 1975
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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: Kiessling 2004, Carroll 1988 | |||||
Age range: base of the Late/Upper Lochkovian to the top of the Pragian or 414.00000 to 407.60000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Lochkovian | Vietnam | Sanqiaspis vietnamensis (238525) | |
| Pragian | China | Sanqiaspis rostrata, Sanqiaspis zhaotongensis, Sanqiaspis sichuanensis (238089) | |
| Pragian | China (Yunnan) | Sanqiaspis zhaotongensis (196858) |