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


Galeaspida -

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).

Synonymy list
YearName and author
1965Galeaspida Liu

Is something missing? Join the Paleobiology Database and enter the data

phylumChordataHaeckel 1847

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.

No diagnoses are available
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 Lochkovian or 438.50000 to 410.80000 Ma

Collections (17 total)

Time interval Ma Country or state Original ID and collection number
Telychian438.5 - 433.4China (Hubei) Hanyangaspis guodingshanensis (182528 182537)
Telychian438.5 - 433.4China (Hunan) Dayongaspis hunanensis (182545)
Telychian438.5 - 433.4China (Xinjiang) Hanyangaspis guodingshanensis, Pseudoduyunaspis bachuensis (182523) Hanyangaspis sp., Kalpinolepis tarimensis (182524)
Telychian438.5 - 433.4China (Anhui) Hanyangaspis chaohuensis (182530)
Sheinwoodian433.4 - 430.5China (Anhui) Geraspis rara (182531)
Sheinwoodian433.4 - 430.5China (Jiangxi) Sinogaleaspis xikengensis, Xiushuiaspis jiangxiensis, Xiushuiaspis ganbeiensis, Sinogaleaspis shankouensis (182539)
Sheinwoodian433.4 - 430.5China (Zhejiang) Xiushuiaspis sp., Sinogaleaspis zhejiangensis, Changxingaspis gui, Meishanaspis lehmani (182535)
Homerian430.5 - 427.4China (Chongqing) Eugaleaspis xiushanensis (182547)
Homerian430.5 - 427.4China (Hunan) Eugaleaspis sp. (182542)
Ludlow427.4 - 423.0China (Yunnan) Polybranchiaspis sp. (27912)
Pridoli423.0 - 419.2China (Shaanxi) Hanyangaspis sp. (182527)
Pridoli423.0 - 419.2China (Junnan) Galeaspida indet. (182559)
Lochkovian419.2 - 410.8China (Yunnan) Eugaleaspis changi, Eugaleaspis lianhuashanensis, Polybranchiaspis liaojiaoshanensis, Siyingia altuspinosa, Laxaspis qujingensis, Cyclodiscaspis ctenus, Laxaspis rostrata, Nanpanaspis microculus, Hyperaspis acclivis (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)
Lochkovian419.2 - 410.8China (Guangxi) Asiaspis expansa (4005)