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Tridensaspidae
Taxonomy
Tridensaspidae was named by Liu (1986). It is not extant.
It was assigned to Eugaleaspidiformes by Liu (1986).
It was assigned to Eugaleaspidiformes by Liu (1986).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Tridensaspidae Liu |
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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. †Tridensaspidae Liu 1986
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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: Early/Lower Lochkovian or 419.62000 to 416.80000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Lochkovian | China (Yunnan) | Falxcornus liui (238268) |