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Polybranchiaspis
Galeaspidomorphi - Polybranchiaspidiformes - Polybranchiaspididae
Taxonomy
Polybranchiaspis was named by Liu (1965). It is not extant.
It was assigned to Polybranchiaspididae by Zhu and Gai (2007).
It was assigned to Polybranchiaspididae by Zhu and Gai (2007).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Polybranchiaspis Liu |
| 2007 | Polybranchiaspis Zhu and Gai p. 164 |
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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. †Polybranchiaspis Liu 1965
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†Polybranchiaspis gracilis Cao 1985
†Polybranchiaspis liaojiaoshanensis Liu 1965
†Polybranchiaspis miandiancunensis Pan and Wang 1978
†Polybranchiaspis minor Liu 1975
†Polybranchiaspis rhombicus Cao 1985
†Polybranchiaspis sinensis Cao 1985
†Polybranchiaspis yunnanensis Cao 1985
†Polybranchiaspis zhanyiensis Pan and Wang 1978
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 Ludlow to the top of the Late/Upper Lochkovian or 426.70000 to 413.02000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ludlow | China (Yunnan) | P. sp. (27912) | |
| Lochkovian | China (Yunnan) | P. liaojiaoshanensis (162781) P. yulongssus, P. liaojiaoshanensis, P. minor, P. zhanyiensis (173380) | |
| Late/Upper Lochkovian | Vietnam | P. sp. (238525) |