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Platyspinites
Taxonomy
Platyspinites was named by Vassiljeva (1985) [Sepkoski's age data: Cm Tomm-u Sepkoski's reference number: 1006].
It was assigned to Chancelloriida by Parkhaev and Demidenko (2010).
It was assigned to Chancelloriida by Parkhaev and Demidenko (2010).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1985 | Platyspinites Vassiljeva p. 125 |
| 2010 | Platyspinites Parkhaev and Demidenko p. 905 |
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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. †Platyspinites Vassiljeva 1985
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†Platyspinites elegans Parkhaev and Demidenko 2010
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. Y. Parkhaev and Y. Demidenko 2010 | "Sclerites composed of numerous (4–16) calvate radial spines, arranged vertically along periphery of sclerite, and surrounding vertical central spines (1–4), situated in checkerboard order. All spines tightly adjoin each other." |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Hendy et al. 2009 | |||||
Age range: Tommotian or 525.50000 to 521.00000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Meishucunian - Tommotian | China (Yunnan) | P. digitatus, P. elegans (96449) | |
| Tommotian | Russian Federation (Yakutiya) | P. digitiformis (80796 80809) |