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Pianaspis dictyodroma
Taxonomy
Pianaspis dictyodroma was named by Yang et al. (1993). It is not extant. Its type locality is Gaoqiaogou, bed 56c, which is in a Wangcunian/Guzhangian slope lime mudstone/limestone in the Baguamiao Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 1993 | Pianaspis dictyodroma Yang et al. |
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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.
†Pianaspis dictyodroma Yang et al. 1993
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004 | |||||
Age range: Guzhangian or 500.50000 to 497.00000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wangcunian | China (Sichuan) | Pianaspis dictyodroma (127065) | |
| Wangcunian - Guzhangian | China (Sichuan) | Pianaspis dictyodroma (127066 type locality: 127067) | |
| Guzhangian | China (Sichuan) | Pianaspis dictyodroma (127068) |