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Polycyrtaspididae
Taxonomy
Polycyrtaspididae was named by Opik (1967). It is not extant. Its type is Polycyrtaspis.
It was assigned to Trilobita by Zhang and Wang (1986) and Adrain (2011).
It was assigned to Trilobita by Zhang and Wang (1986) and Adrain (2011).
Subtaxa
Hebeia, Polycyrtaspis (type genus)
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Polycyrtaspididae Opik |
| 1986 | Polycyrtaspididae Zhang and Wang |
| 2011 | Polycyrtaspididae Adrain p. 108 |
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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.
Fm. †Polycyrtaspididae Opik 1967
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G. †Hebeia Guo and Duan 1978
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†Hebeia hutoushanensis Zhang and Wang 1986
†Hebeia pingquanensis Guo and Duan 1978
†Hebeia pulchera Zhang and Wang 1986
†Hebeia stewarti Smith et al. 2018
G. †Polycyrtaspis Opik 1967
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: Mindyallan or 499.00000 to 497.00000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Guzhangian | South Korea | Hebeia sp. 1 (152614 152627 152632 152635 152636 152637) | |
| Guzhangian | China (Shanxi) | Hebeia pingquanensis, Hebeia pulchera, Hebeia hutoushanensis (129812) | |
| Mindyallan | Australia (Northern Territory) | Hebeia stewarti (208578 208579 236877) |