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Szeaspis
Taxonomy
Szeaspis was named by Chang (1959). It is not extant.
It was assigned to Proasaphiscidae by Jell and Adrain (2002).
It was assigned to Proasaphiscidae by Jell and Adrain (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1959 | Szeaspis Chang |
| 2002 | Szeaspis 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. †Szeaspis Chang 1959
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†Szeaspis centronatus Resser and Endo 1937
†Szeaspis huananensis Peng et al. 2004
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997 | |||||
Age range: Guzhangian or 500.50000 to 497.00000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wangcunian | China (Hunan) | S. huananensis (49274) | |
| Guzhangian | China (Henan) | S. centronatus (127077) | |
| Guzhangian | China (Hunan) | S. huananensis (128363) |