| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Pycnoceras clausum
Taxonomy
Pycnoceras clausum was named by Ulrich et al. (1942).
Synonymy list
| Year | Name and author |
|---|---|
| 1942 | Pycnoceras clausum Ulrich et al. p. 28 |
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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.
†Pycnoceras clausum Ulrich et al. 1942
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Floian to the top of the Blackhillsian or 477.70000 to 470.00000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tulean - Blackhillsian | USA (Missouri) | Pycnoceras clausum (98444 98446 98451 98452 98454 98455 98456 98459) | |
| Floian | USA (Arkansas) | Pycnoceras clausum (98457) |