| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cyrtograptus rigidus
Taxonomy
No taxonomic data are available
Sister species lacking formal opinion data
Synonymy list
No taxonomic opinions are available
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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
No ecological data are available
Age range: base of the Sheinwoodian to the top of the Ludlow or 432.90000 to 422.70000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sheinwoodian | Czechia | Cyrtograptus rigidus (14051 14093) | |
| Wenlock | USA (Idaho) | Cyrtograptus rigidus (145515) | |
| Wenlock | Algeria | Cyrtograptus rigidus (56773) | |
| Wenlock | China (Yunnan) | Cyrtograptus rigidus (27783 27870) | |
| Ludlow | Algeria | Cyrtograptus rigidus (56778) |