PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Galeaspida

Taxonomy

Galeaspida was named by Liu (1965). It is not extant. It was considered monophyletic by Liu (1965).

It was assigned to Vertebrata by Liu (1965).

Subtaxa

Dayongaspidae, Diploholcaspis, Eugaleaspidiformes, Hanyangaspidae, Hyperaspis, Microphymaspis, Polybranchiaspidida, Pseudoduyunaspis, Xiushuiaspidae

Sister taxa

Eugaleaspidiformes

Synonymy list

Year	Name and author
1965	Galeaspida Liu

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia

Rank	Name	Author
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
class	Galeaspida
class	Galeaspida

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.

Cl. †Galeaspida Liu 1965

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Fm. †Dayongaspidae Pan and Zeng 1985

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G. †Dayongaspis Pan and Zeng 1985

†Dayongaspis hunanensis Pan and Zeng 1985

G. †Platycaraspis Wang et al. 2002

†Platycaraspis tianshanensis Wang et al. 2002

G. †Diploholcaspis Wang et al. 2009

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†Diploholcaspis daleensis Wang et al. 2009

Or. †Eugaleaspidiformes Liu 1980

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G. †Anjiaspis Gai and Zhu 2005

†Anjiaspis reticularis Gai and Zhu 2005

Fm. †Eugaleaspididae Liu 1980

G. †Eugaleaspis Liu 1980

†Eugaleaspis changi Liu 1965

†Eugaleaspis lianhuashanensis Liu 1986

†Eugaleaspis qujingensis Cao 1985

†Eugaleaspis xiushanenis Liu 1983

†Eugaleaspis xujiachongensis Liu 1975

G. †Nochelaspis Zhu 1992

†Nochelaspis maeandrina Zhu 1992

G. †Pterogonaspis Zhu 1992

†Pterogonaspis yuhaii Zhu 1992

G. †Tridensaspis Liu 1986

†Tridensaspis magnoculus Liu 1986

G. †Yunnanogaleaspis Pan and Wang 1980

†Yunnanogaleaspis major Pan and Wang 1980

G. †Meishanaspis Wang 1991

†Meishanaspis lehmani Wang 1991

G. †Sinogaleaspis Pan and Wang 1980

†Sinogaleaspis shankouensis Pan and Wang 1980

†Sinogaleaspis xikengensis Pan and Wang 1980

†Sinogaleaspis zhejiangensis Pan 1984

Fm. †Hanyangaspidae Pan and Liu 1975

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G. †Hanyangaspis Pan and Liu 1975

†Hanyangaspis caohuensis Wang et al. 1980

†Hanyangaspis guodingshanensis Pan and Liu 1975

G. †Kalpinolepis Wang et al. 1996

†Kalpinolepis tarimensis Wang et al. 1996

G. †Konoceraspis Pan 1992

†Konoceraspis grandoculus Pan 1992

G. †Nanjiangaspis Wang et al. 2002

†Nanjiangaspis kalpinensis Wang et al. 2002

G. †Hyperaspis Pan 1992

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†Hyperaspis acclivis Pan 1992

G. †Microphymaspis Wang et al. 2002

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†Microphymaspis pani Wang et al. 2002

Superor. †Polybranchiaspidida Zhu and Gai 2007

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Fm. †Geraspididae Pan and Chen 1993

G. †Geraspis Pan and Chen 1993

†Geraspis rara Pan and Chen 1993

G. †Kwangnanaspis Cao 1979

†Kwangnanaspis subtriangularis Cao 1979

Or. †Huananaspidiformes Janvier 1975

Fm. †Gantarostraspididae Wang and Wang 1992

G. †Gantarostrataspis Wang and Wang 1992

†Gantarostrataspis geni Wang and Wang 1992

G. †Wumengshanaspis Wang and Lan 1984

†Wumengshanaspis cuntianensis Wang and Lan 1984

Fm. †Huananaspidae Liu 1973

G. †Asiaspis Pan 1975

†Asiaspis expansa Pan 1975

G. †Huananaspis Liu 1973

†Huananaspis wudinensis Liu 1975

Subfm. †Macrothyraspinae Pan 1992

G. †Lungmenshanaspis Pan and Liu 1975

G. †Macrothyraspis Pan 1992

G. †Qingmenaspis Pan and Wang 1981

G. †Sinoszechuanaspis Pan and Wang 1975

G. †Nanpanaspis Liu 1965

†Nanpanaspis microculus Liu 1965

G. †Stephaspis Gai and Zhu 2007

†Stephaspis dipteriga Gai and Zhu 2007

Fm. †Sanchaspididae Pan and Wang 1981

G. †Antiquisagittaspis Liu 1985

†Antiquisagittaspis cornuta Liu 1985

G. †Sanchaspis Pan and Wang 1981

†Sanchaspis magalarostrata Pan and Wang 1981

Fm. †Sanqiaspidae Liu 1975

G. †Sanqiaspis Liu 1975

†Sanqiaspis rostrata Liu 1975

†Sanqiaspis sichuanensis Pan and Wang 1978

†Sanqiaspis zhaotongensis Liu 1975

Or. †Polybranchiaspidiformes Liu 1965

Fm. †Duyunolepididae Pan and Wang 1978

G. †Duyunolepis Pan and Wang 1982

†Duyunolepis paoyangensis Pan and Wang 1978

G. †Lopadaspis Wang et al. 2002

†Lopadaspis pinglensis Wang and Etal 2001

G. †Neoduyunaspis Pan and Wang 1978

†Neoduyunaspis minuta Pan and Wang 1978

G. †Paraduyunaspis Pan and Wang 1978

†Paraduyunaspis hezhangensis Pan and Wang 1978

Fm. †Gumuaspidae Gai et al. 2018

G. †Gumuaspis Wang and Wang 1992

†Gumuaspis rostrata Wang and Wang 1992

G. †Nanningaspis Gai et al. 2018

†Nanningaspis zengi Gai et al. 2018

G. †Platylomaspis Gai et al. 2018

†Platylomaspis serratus Gai et al. 2018

G. †Pseudolaxaspis Gai et al. 2018

†Pseudolaxaspis rostrata Liu 1975

Fm. †Pentathyraspididae Pan 1992

G. †Microhoplonaspis Pan 1992

†Microhoplonaspis microthyris Pan 1992

G. †Pentathyraspis Pan 1992

†Pentathyraspis pelta Pan 1992

Fm. †Polybranchiaspididae Liu 1965

G. †Bannhuanaspis Janvier et al. 1993

†Bannhuanaspis vukhuci Janvier et al. 1993

G. †Clororbis Pan and Ji 1993

†Clororbis appronomedianus Pan and Ji 1993

G. †Cyclodiscaspis Liu 1975

†Cyclodiscaspis ctenus Liu 1975

G. †Damaspis Wang and Wang 1982

†Damaspis vartus Wang and Wang 1982

G. †Diandongaspis Liu 1975

†Diandongaspis xishancunensis Liu 1975

G. †Dongfangaspis Liu 1975

†Dongfangaspis major Liu 1975

†Dongfangaspis qujingensis Pan and Wang 1981

G. †Laxaspis Liu 1975

†Laxaspis qujingensis Liu 1975

†Laxaspis yulongssus Liu 1975

G. †Polybranchiaspis Liu 1965

†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

G. †Siyingia Wang and Wang 1982

†Siyingia altuspinosa Wang and Wang 1982

Fm. †Zhaotongaspididae Wang and Zhu 1994

G. †Wenshanaspis Zhao et al. 2002

†Wenshanaspis zhichangensis Zhao et al. 2002

G. †Zhaotongaspis Wang and Zhu 1994

†Zhaotongaspis janvieri Wang and Zhu 1994

G. †Pseudoduyunaspis Wang et al. 1996

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†Pseudoduyunaspis bachuensis Wang et al. 1996

Fm. †Xiushuiaspidae Pan and Wang 1983

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G. †Changxingaspis Wang 1991

†Changxingaspis gui Wang 1991

G. †Xiushuiaspis Pan and Wang 1983

†Xiushuiaspis ganbeiensis Pan and Wang 1983

†Xiushuiaspis jiangxiensis Pan and Wang 1983

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 (18 total)

Time interval	Ma	Country or state	Original ID and collection number
Telychian	438.5 - 433.4	China (Anhui)	Hanyangaspis chaohuensis (182530)
Telychian	438.5 - 433.4	China (Xinjiang)	Hanyangaspis guodingshanensis, Pseudoduyunaspis bachuensis (182523) Hanyangaspis sp., Kalpinolepis tarimensis, Platylomaspis serratus (182524)
Telychian	438.5 - 433.4	China (Hunan)	Dayongaspis hunanensis (182545)
Telychian	438.5 - 433.4	China (Hubei)	Hanyangaspis guodingshanensis (182528 182537)
Sheinwoodian	433.4 - 430.5	China (Anhui)	Geraspis rara (182531)
Sheinwoodian	433.4 - 430.5	China (Jiangxi)	Sinogaleaspis xikengensis, Xiushuiaspis jiangxiensis, Xiushuiaspis ganbeiensis, Sinogaleaspis shankouensis (182539)
Sheinwoodian	433.4 - 430.5	China (Zhejiang)	Xiushuiaspis sp., Sinogaleaspis zhejiangensis, Changxingaspis gui, Meishanaspis lehmani (182535)
Homerian	430.5 - 427.4	China (Hunan)	Eugaleaspis sp. (182542)
Homerian	430.5 - 427.4	China (Chongqing)	Eugaleaspis xiushanensis (182547)
Ludlow	427.4 - 423.0	China (Yunnan)	Polybranchiaspis sp. (27912)
Pridoli	423.0 - 419.2	China (Junnan)	Galeaspida indet. (182559)
Pridoli	423.0 - 419.2	China (Shaanxi)	Hanyangaspis sp. (182527)
Lochkovian	419.2 - 410.8	China (Guangxi)	Asiaspis expansa (4005)
Lochkovian	419.2 - 410.8	China (Yunnan)	Eugaleaspis changi, Eugaleaspis lianhuashanensis, Polybranchiaspis liaojiaoshanensis, Siyingia altuspinosa, Laxaspis qujingensis, Cyclodiscaspis ctenus, Laxaspis rostrata, Nanpanaspis microculus, Hyperaspis acclivis, Diplohollcaspis daleensis (162781) Nochelaspis maeandrine, Dongfangaspis yunnanensis, Dongfangaspis paradoxus, Polybranchiaspis yulongssus, Yunnanogaleaspis major, Polybranchiaspis liaojiaoshanensis, Polybranchiaspis minor, Polybranchiaspis zhanyiensis, Laxaspis qujingensis, Dongfangaspis qujingensis, Damaspis vartus, Diandongaspis xishancunensis, Laxaspis rostrata, Pentathyraspis pelta, Stephaspis dipteriga (173380)
Early/Lower Devonian	419.2 - 393.3	China (Guangxi)	Nanningaspis zengi (223840)