West Brothers locality: Late/Upper Albian, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Magnoliopsida
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Striatopollis vermimurus microspore
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Drinnan et al. 1991 | ||||||
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Angiospermae
- Buxales
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Spanomera marylandensis flower
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Crane and Herendeen 1996 | ||||||
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Angiospermae
- Proteales
- Platanaceae
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Platananthus potomacensis n. sp.
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Platanocarpus marylandensis n. gen., n. sp.
Friis et al. 1988
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Maryland | County: | Prince Georges |
| Coordinates: | 38.9° North, 76.9° West (view map) | ||||
| Paleocoordinates: | 31.9° North, 39.4° West | ||||
| Basis of coordinate: | stated in text |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| *Period: | Early/Lower Cretaceous | ||
| *International age/stage: | Late/Upper Albian | ||
| Key time interval: | Late/Upper Albian | Zone: | Subzone II-B |
| Age range of interval: | 106.20000 - 100.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Lithology and environment
| Environment: | fluvial indet. |
Taphonomy
| Modes of preservation: | adpression,charcoalification,original carbon,original sporopollenin |
| Size of fossils: | macrofossils,mesofossils,microfossils |
Collection methods and comments
| Collection methods: | bulk,sieve |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 28408 | ||
| Authorizer: | H. Wang | Enterer: | H. Wang, M. Arakaki |
| Modifier: | H. Wang | Research group: | paleobotany |
| Created: | 2003-02-12 11:39:30 | Last modified: | 2003-02-12 13:39:35 |
| Access level: | the public | Released: | 2003-02-12 11:39:30 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 7797. | E. M. Friis, P. R. Crane, and K. R. Pedersen. 1988. Reproductive structures of Cretaceous Platanaceae. Biologiske Skrifter Det Kongelige Danske Videnskskabernes Selskab 31:1-55 [H. Wang/H. Wang/H. Wang] |
Secondary references:
| 8501 | P. R. Crane and P. S. Herendeen. 1996. Cretaceous floras containing angiosperm flowers and fruits from eastern North America. Review of Palaeobotany and Palynology 90:319-337 [H. Wang/M. Arakaki/M. Arakaki] | |
| 8382 | A. N. Drinnan, P. R. Crane, E. M. Friis and K. R. Pedersen. 1991. Angiosperm flowers and Tricolpate pollen of Buxaceous affinity from the Potomac Group (Mid-Cretaceous) of Eastern North America. American Journal of Botany 78(2):153-176 [B. Tiffney/J. Fosdick/N. Jud] |