| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Penosphyllum
Taxonomy
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Penosphyllum Hickey |
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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: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: base of the Early/Lower Paleocene to the top of the Graybullian or 66.00000 to 51.10000 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Paleocene | USA (North Dakota) | P. cordatum (129230) | |
| Paleocene | USA (Colorado) | Pterospermites cordatus (39895 39899) | |
| Paleocene | USA (Wyoming) | Pterospermites cordatus (57968 57990 57996) | |
| Paleocene | USA (North Dakota) | Pterospermites cordatus (58023) | |
| Paleocene | USA (New Mexico) | Pterospermites cordatus (43147) | |
| Paleocene | USA (Montana) | Pterospermites cordatus (40094 40745 53538) | |
| Clarkforkian | USA (Wyoming) | P. cordatum (11352) | |
| Clarkforkian | USA (North Dakota) | P. cordatum (10811) | |
| Graybullian | USA (Wyoming) | P. cordatum (11371) | |
| Early/Lower Eocene | USA (Colorado) | Pterospermites cordatus (53070) |