Claim · model-written summary
The oldest known occurrences of P. verrucosa are Late Cretaceous (Campanian to Maastrichtian) in western North America.
- Taxon
- P. verrucosae3
- Outcome
- oldest known occurrencese3
- Value
- Late Cretaceous (Campanian to Maastrichtian)e3
- Setting
- western North Americae3
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorDirectionQualifier
Verbatim
e3“The oldest known occurrences of P. verrucosa are from the Late Cretaceous (Campanian to Maastrichtian) of western North America”
Title
Steven R. Manchester; Tatyana M. Kodrul Acta Palaeobotanica 2014. doi:10.2478/acpa-2014-0002
Other claims from this paper (5)
- Observation Porosia verrucosa fruits have regularly spaced cylindrical intrusions over the endocarp surface.
- Observation The endocarp intrusions are interpreted as oil cavities similar to those of extant Rutaceae fruits.
- Observation The genus traversed Beringia and became widespread in the Paleocene in Asia and North America.
- Observation The genus extended to the late Paleocene in the Rocky Mountain and Great Plains region.
- Observation The genus appears to have become extinct near the Paleocene-Eocene boundary.