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Balangcunaspis
Taxonomy
Paraantagmus (Balangcunaspis) was named by Yuan et al. (1997). It is not extant.
It was reranked as Balangcunaspis by Jell and Adrain (2002).
It was assigned to Paraantagmus by Yuan et al. (1997); and to Ptychopariidae by Jell and Adrain (2002).
It was reranked as Balangcunaspis by Jell and Adrain (2002).
It was assigned to Paraantagmus by Yuan et al. (1997); and to Ptychopariidae by Jell and Adrain (2002).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Paraantagmus (Balangcunaspis) Yuan et al. |
| 2002 | Balangcunaspis Jell and Adrain |
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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. †Balangcunaspis Yuan et al. 1997
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†Balangcunaspis subcylindricus Yuan et al. 1997
†Balangcunaspis transversus Yuan et al. 1997
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009 | |||||
Age range: Duyunian or 514.50000 to 506.50000 Ma
Collections (33 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Duyunian | China (Guizhou) | B. subcylindricus (128072 128073 128074 128075 128076 128077 128078 128079 128080 128082 128083 128084 128086 128087 128088 128089 128090 128091) B. transversus (235427 235431) Paraantagmus sp. (125076 125077 125148 125151 125156) Paraantagmus sp., Paraantagmus subcylindricus (125152 125158) Paraantagmus subcylindricus (125153 125154 125155 125157) Paraantagmus transversus (125078 127439) |