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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cyrtina alpenensis
Taxonomy
No taxonomic data are available
Sister species
Sister species lacking formal opinion data
C. acutirostris, C. amplectans, C. arkonensis, C. caroline, C. dalmani, C. demarlii, C. douvillei, C. gracilima, C. hamiltoniae, C. hamiltoniensis, C. heteroclita, C. heteroclita, C. heterodita, C. hibernica, C. hibernica, C. imbricata, C. inulta, C. iowaensis, C. kazi, C. leniplicata, C. maclennani, C. morana, C. neogenes, C. paucicostata, C. pedunculata, C. planarea, C. platypleura, C. pracedens, C. praecedens, C. pyramidalis, C. recta, C. rostrata, C. sauvagei, C. septosa, C. sinuplicate, C. teta, C. triqueira, C. triquetra, C. umbonata, C. utrimquesulcata, C. variabilis, C. wellingtonensis, C. acutirostris
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: Givetian or 387.95000 to 382.31000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Givetian | USA (Ohio) | Cyrtina alpenensis (38452 38453 38454 38457 38463) | |
| Givetian | Canada (Ontario) | Cyrtina alpenensis (65027) | |
| Givetian | USA (Michigan) | Cyrtina alpenensis (38475) |