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Polybranchiaspidiformes

Galeaspida - Polybranchiaspidiformes

Taxonomy
Polybranchiaspidiformes was named by Liu (1965). It is not extant.

It was assigned to Polybranchiaspidida by Zhu and Gai (2007) and Gai et al. (2018).

Synonymy list
YearName and author
1965Polybranchiaspidiformes Liu
2007Polybranchiaspidiformes Zhu and Gai p. 164
2018Polybranchiaspidiformes Gai et al. p. 5

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
RankNameAuthor
subphylumVertebrata
classGaleaspida
superorderPolybranchiaspidida
orderPolybranchiaspidiformesLiu 1965
orderPolybranchiaspidiformesLiu 1965

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.

Or. †Polybranchiaspidiformes Liu 1965
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Fm. †Duyunolepididae Pan and Wang 1978
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G. †Duyunolepis Pan and Wang 1982
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Duyunolepis paoyangensis Pan and Wang 1978
G. †Lopadaspis Wang et al. 2002
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Lopadaspis pinglensis Wang and Etal 2001
G. †Neoduyunaspis Pan and Wang 1978
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Neoduyunaspis minuta Pan and Wang 1978
G. †Paraduyunaspis Pan and Wang 1978
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Paraduyunaspis hezhangensis Pan and Wang 1978
Fm. †Gumuaspidae Gai et al. 2018
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G. †Gumuaspis Wang and Wang 1992
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Gumuaspis rostrata Wang and Wang 1992
G. †Nanningaspis Gai et al. 2018
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Nanningaspis zengi Gai et al. 2018
G. †Platylomaspis Gai et al. 2018
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Platylomaspis serratus Gai et al. 2018
G. †Pseudolaxaspis Gai et al. 2018
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Fm. †Pentathyraspididae Pan 1992
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G. †Microhoplonaspis Pan 1992
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G. †Pentathyraspis Pan 1992
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Fm. †Polybranchiaspididae Liu 1965
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G. †Bannhuanaspis Janvier et al. 1993
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Bannhuanaspis vukhuci Janvier et al. 1993
G. †Clororbis Pan and Ji 1993
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Clororbis appronomedianus Pan and Ji 1993
G. †Cyclodiscaspis Liu 1975
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G. †Damaspis Wang and Wang 1982
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Damaspis vartus Wang and Wang 1982
G. †Diandongaspis Liu 1975
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G. †Dongfangaspis Liu 1975
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Dongfangaspis major Liu 1975
Dongfangaspis qujingensis Pan and Wang 1981
G. †Laxaspis Liu 1975
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Laxaspis yulongssus Liu 1975
G. †Siyingia Wang and Wang 1982
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Siyingia altuspinosa Wang and Wang 1982
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilep
Created: 2017-04-17 15:11:50
Modified: 2017-04-17 15:11:50
Source: subp = subphylum, p = phylum
References: Carroll 1988, Kiessling 2004

Age range: base of the Telychian to the top of the Lochkovian or 438.50000 to 410.80000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Telychian438.5 - 433.4China (Xinjiang) Platylomaspis serratus (182524)
Ludlow427.4 - 423.0China (Yunnan) Polybranchiaspis sp. (27912)
Lochkovian419.2 - 410.8China (Yunnan) Dongfangaspis yunnanensis, Dongfangaspis paradoxus, Polybranchiaspis yulongssus, Polybranchiaspis liaojiaoshanensis, Polybranchiaspis minor, Polybranchiaspis zhanyiensis, Laxaspis qujingensis, Dongfangaspis qujingensis, Damaspis vartus, Diandongaspis xishancunensis, Laxaspis rostrata, Pentathyraspis pelta (173380) Polybranchiaspis liaojiaoshanensis, Siyingia altuspinosa, Laxaspis qujingensis, Cyclodiscaspis ctenus, Laxaspis rostrata (162781)
Early/Lower Devonian419.2 - 393.3China (Guangxi) Nanningaspis zengi (223840)