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Polybranchiaspidida

Galeaspidomorphi

Taxonomy
Polybranchiaspidida was named by Zhu and Gai (2007). It is not extant.

It was assigned to Galeaspida by Zhu and Gai (2007), Gai et al. (2015); and to Galeaspidomorphi by van der Laan (2019).

Subtaxa
Geraspididae, Huananaspidiformes, Pituriaspidiformes, Polybranchiaspidiformes, Zhaotongaspidiformes
Sister taxa
Huananaspidiformes, Pituriaspidiformes, Polybranchiaspidiformes, Zhaotongaspidiformes

Synonymy list
YearName and author
2007Polybranchiaspidida Zhu and Gai p. 164
2015Polybranchiaspidida Gai et al. p. 95
2019Polybranchiaspidida van der Laan p. 25

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
RankNameAuthor
subphylumVertebrata
superclassOsteostracomorphi
classGaleaspidomorphi
superorderPolybranchiaspidida
superorderPolybranchiaspidida

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.

Superor. †Polybranchiaspidida Zhu and Gai 2007
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Fm. †Geraspididae Pan and Chen 1993
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G. †Geraspis Pan and Chen 1993
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†Geraspis rara Pan and Chen 1993
G. †Kwangnanaspis Cao 1979
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Or. †Huananaspidiformes Janvier 1975
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Fm. †Gantarostrataspidae Wang and Wang 1992
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G. †Gantarostrataspis Wang and Wang 1992
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†Gantarostrataspis gengi Wang and Wang 1992
G. †Qushiaspis Jiang et al. 2021
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†Qushiaspis elaia Jiang et al. 2021
G. †Rhegmaspis Gai et al. 2015
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†Rhegmaspis xiphoidea Gai et al. 2015
G. †Wumengshanaspis Wang and Lan 1984
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†Wumengshanaspis cuntianensis Wang and Lan 1984
Fm. †Huananaspidae Liu 1973
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G. †Asiaspis Pan 1975
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†Asiaspis expansa Pan 1975
†Asiaspis liangi Zhang et al. 2023
G. †Huananaspis Liu 1975
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†Huananaspis cupido Zhang et al. 2023
Subfm. †Macrothyraspinae Pan 1992
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G. †Lungmenshanaspis P’an and Wang 1978
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†Lungmenshanaspis kiangyouensis P’an and Wang 1978
†Lungmenshanaspis yunnanensis Wang et al. 1996
G. †Macrothyraspis Pan 1992
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†Macrothyraspis longilanceus Wang et al. 2005
G. †Qingmenaspis Pan and Wang 1981
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†Qingmenaspis microculus Pan and Wang 1981
G. †Sinoszechuanaspis Pan and Wang 1975
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†Sinoszechuanaspis gracilis Pan and Wang 1978
†Sinoszechuanaspis yanmenpaensis Pan and Wang 1975
G. †Stephaspis Gai and Zhu 2007
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†Stephaspis dipteriga Gai and Zhu 2007
Fm. †Nanpanaspididae Liu 1975
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G. †Nanpanaspis Liu 1965
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Fm. †Sanchaspididae Pan and Wang 1981
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G. †Antiquisagittaspis Liu 1985
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G. †Sanchaspis Pan and Wang 1981
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†Sanchaspis magalarostrata Pan and Wang 1981
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
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Cl. †Pituriaspididae Davis 1994
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G. †Neeyambaspis Young 1991
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G. †Pituriaspis Young 1991
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†Pituriaspis doylei Young 1991
Invalid names: Neeyambaspididae Davis 1994 [synonym]
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 1982
G. †Foxaspis Gai et al. 2023
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†Foxaspis novemura Gai et al. 2023
G. †Lopadaspis Wang et al. 2001
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†Lopadaspis pinglensis Wang et al. 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. †Altigibbaspis Yu-Hai et al. 2018
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†Altigibbaspis huiqingae Yu-Hai et al. 2018
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 qujingensis Shan et al. 2024
†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
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Fm. †Zhaotongaspididae Wang and Zhu 1994
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G. †Wenshanaspis Zhao et al. 2002
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†Wenshanaspis zhichangensis Zhao et al. 2002
G. †Zhaotongaspis Wang and Zhu 1994
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†Zhaotongaspis janvieri Wang and Zhu 1994
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: Kiessling 2004, Carroll 1988

Age range: base of the Telychian to the top of the Early/Lower Eifelian or 438.60000 to 390.50000 Ma

Collections (27 total)


Time interval Ma Country or state Original ID and collection number
Telychian438.6 - 432.9China (Jiangxi ) Gumuaspidae indet. (232461)
Telychian438.6 - 432.9China (Xinjiang) Platylomaspis serratus (182524)
Sheinwoodian432.9 - 430.6China (Anhui) Geraspis rara (182531)
Ludlow426.7 - 422.7China (Yunnan) Polybranchiaspis sp. (27912)
Lochkovian419.62 - 413.02China (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, Microhoplonaspis microthyris, Stephaspis dipteriga (173380) Nanpanaspis microculus, Pseudolaxaspis rostrata, Altigibbaspis huiqingae (237781) Polybranchiaspis liaojiaoshanensis, Siyingia altuspinosa, Laxaspis qujingensis, Laxaspis yulongssus, Cyclodiscaspis ctenus, Nanpanaspis microculus, Pseudolaxaspis rostrata (162781)
Lochkovian419.62 - 413.02China Kwangnanaspis subtriangularis (238425)
Lochkovian419.62 - 413.02China (Guangxi) Antiquisagittaspis cornuta, Asiaspis expansa (4005)
Lochkovian - Pragian419.62 - 410.62Vietnam (Bac Kan) Bannhuanaspis vukhuci (238033)
Early/Lower Devonian419.62 - 393.47China (Guangxi) Nanningaspis zengi, Huananaspis cupido, Asiaspis liangi (223840)
Late/Upper Lochkovian414.6 - 413.02Vietnam Laxaspis yulongssus (239311) Polybranchiaspis sp., Sanqiaspis vietnamensis (238525)
Pragian413.02 - 410.62China (Yunnan) Wenshanaspis zhichangensis, Macrothyraspis longilanceus, Huananaspis wudinensis (238393) Zhaotongaspis janvieri, Lungmenshanaspis yunnanensis, Qingmenaspis microculus, Sanqiaspis zhaotongensis, Rhegmaspis xiphoidea (196858)
Pragian413.02 - 410.62China Dongfangaspis major, Sinoszechuanaspis yanmenpaensis, Lungmenshanaspis kiangyouensis, Sanqiaspis rostrata, Sanqiaspis zhaotongensis, Sanqiaspis sichuanensis (238089) Foxaspis novemura (238271) Gantarostrataspis sp., Sanchaspis magalarostrata (238849) Qushiaspis elaia (238852)
Pragian - Early/Lower Eifelian413.02 - 390.5Australia (Queensland) Pituriaspis doylei, Neeyambaspis enigmatica (239584)
Pragian - Middle Devonian413.02 - 382.31China (Yunnan) Gumuaspis rostrata, Gantarostrataspis gengi (10895)
Early/Lower Emsian410.62 - 399.5China Duyunolepis paoyangensis (238123)
Emsian410.62 - 393.47China Lopadaspis pinglensis (238076) Macrothyraspis longicornis (238502) Wumengshanaspis cuntianensis (239067)
Emsian410.62 - 393.47China (Yunnan) Gantarostrataspis geni (10941)
Eifelian393.47 - 387.95China Dongfangaspis sp. (238390)