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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Protomichelinia siyangensis
Taxonomy
Michelinia siyangensis was named by Reed (1927).
It was recombined as Protomichelinia siyangensis by Yang (1978).
It was recombined as Protomichelinia siyangensis by Yang (1978).
Sister species lacking formal opinion data
Synonymy list
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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.
†Protomichelinia siyangensis Reed 1927
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Artinskian to the top of the Roadian or 290.10000 to 268.80000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | China (Guizhou) | Protomichelinia siyangensis (95945) | |
| Kungurian | China (Jiangxi) | Protomichelinia siyangensis (100799) | |
| Guadalupian | Iran (Lorestan) | Michelinia siyangensis (211719) | |
| Guadalupian | Iran | Michelinia siyangensis (211733 211735) | |
| Roadian | Iraq | Michelinia siyangensis (75647) | |
| Roadian - Wordian | Iran | Michelinia siyangensis (211727 211729) |