| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Protocycloceras arkansasense
Taxonomy
Protocycloceras arkansasense was named by Ulrich et al. (1944).
Synonymy list
| Year | Name and author |
|---|---|
| 1944 | Protocycloceras arkansasense Ulrich et al. p. 81 |
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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.
†Protocycloceras arkansasense Ulrich et al. 1944
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: Early/Lower Ordovician or 486.85000 to 471.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Ordovician | Svalbard and Jan Mayen | Protocycloceras arkansasense (212926) |