Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Praetachylasma
Taxonomy
Praetachylasma was named by Shi (1982). It is not extant.
It was assigned to Rugosa by Ezaki (1991).
It was assigned to Rugosa by Ezaki (1991).
Species
Synonymy list
Year | Name and author |
---|---|
1982 | Praetachylasma Shi |
1991 | Praetachylasma Ezaki |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class | |||||
Reference: Kiessling 2004 |
Age range: Wordian or 266.90000 to 264.28000 Ma
Collections (5 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Roadian - Capitanian | China (Sichuan) | Tachylasma alternatum (98052) | |
Wordian | Azerbaijan | Ufimia alternata (82257 94937) | |
Wordian | Iran | P. alternatum (75769) | |
Wordian | Armenia | Ufimia alternata (113805) |