White Butte (USNM 14048): Wasatchian, North Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Peltandra primaeva n. sp. leaf
(Hickey 1977)
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1 specimen | |||||||||
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= Error error
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Sims 2003 | |||||||||
| ignore reID | ||||||||||
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Polypodiopsida
- Equisetales
- Equisetaceae
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Equisetum magnum axis, root
Hickey 1977
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5 specimens | |||||||||
| Nodal sheath | ||||||||||
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Polypodiopsida
- Salviniales
- Salviniaceae
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Salvinia preauriculata leaf
Berry 1925
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66 specimens | |||||||||
| berry, pinnules | ||||||||||
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Polypodiopsida
- Schizaeales
- Lygodiaceae
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Lygodium kaulfussi leaf
Heer
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17 specimens | |||||||||
| sterile, fertile pinnules | ||||||||||
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Coniferales
- Cupressaceae
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Glyptostrobus europaeus leaf, seed repro
(Brongniart 1833)
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5 specimens | |||||||||
| original and current combination Taxodium europaeum | ||||||||||
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Angiospermae
- Arecaceae
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Palmacites sp. leaf
Brongniart 1822
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1 specimen | |||||||||
| leaf fragment | ||||||||||
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Angiospermae
- Araceae
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Porosia verrucosa
(Lesquereux 1878)
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1 specimen | |||||||||
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Angiospermae
- Poales
- Cyperaceae
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Cyperacites sp. flower
Schimper 1870
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1 specimen | |||||||||
| inflorescences | ||||||||||
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Angiospermae
- Zingiberales
- Zingiberaceae
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Zingiberopsis isonervosa n. gen., n. sp. leaf
Hickey 1977
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12 specimens | |||||||||
| leaf fragment, apex, venation | ||||||||||
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Angiospermae
- Parietales
- Ternstroemiaceae
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Ternstroemites aureavallis n. sp. leaf
Hickey 1977
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84 specimens | |||||||||
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Angiospermae
- Myrtales
- Melastomataceae
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Acrovena laevis n. gen., n. sp. leaf
Hickey 1977
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1 specimen | |||||||||
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Angiospermae
- Ericales
- Theaceae
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Paraternstroemia hyphovenosa n. gen., n. sp. leaf
Hickey 1977
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12 specimens | |||||||||
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Angiospermae
- Malpighiales
- Euphorbiaceae
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Stillingia casca n. sp. leaf
Hickey 1977
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4 specimens | |||||||||
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Angiospermae
- Fagales
- Juglandaceae
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Lamanonia borealis n. sp. leaf
Hickey 1977
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935 specimens | |||||||||
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= Platycarya americana
Hickey 1977
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Wing and Hickey 1984 | |||||||||
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Platycarya americana seed repro
Hickey 1977
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70 specimens | |||||||||
| catkins, fruit | ||||||||||
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Salix heartensis n. sp. leaf
Hickey 1977
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6 specimens | |||||||||
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= Platycarya americana
Hickey 1977
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Wing and Hickey 1984 | |||||||||
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Angiospermae
- Fagales
- Betulaceae
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Betula hesterna n. sp. leaf
Hickey 1977
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12 specimens | |||||||||
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Angiospermae
- Typhales
- Sparganiaceae
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Sparganium stygium seed repro
Heer 1855
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16 specimens | |||||||||
| seed heads with attachments | ||||||||||
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unclassified
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Carpolithes bryangosus n. sp. seed/fruit
Hickey 1977
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4 specimens | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | North Dakota | County: | Stark |
| Coordinates: | 45.5° North, 103.3° West (view map) | ||||
| Paleocoordinates: | 49.6° North, 85.4° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| *Period: | Early/Lower Tertiary | *Local age/stage: | Wasatchian |
| Key time interval: | Wasatchian | ||
| Age range of interval: | 54.90000 - 50.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Golden Valley | Member: | Camels Butte | ||
| Regional section: | Williston | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: The exposed section of White Butte begins just below the HS layer of Jepsen elevation of the HS layer abote the level of the Taylor bed-Alamo Bluff lignite was determined to be approximately 12m. | |||||
Lithology and environment
| Primary lithology: | yellow poorly lithified siltstone |
| Includes fossils? | Y |
| Environment: | "channel" |
Taphonomy
| Modes of preservation: | mold/impression,adpression |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Temporal resolution: | snapshot |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | selective quarrying,field collection |
| Collection size: | 1253 specimens |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | USNM |
Metadata
| Database number: | 10802 | ||
| Authorizer: | H. Sims, S. Wing | Enterer: | S. Ostrowski, S. Wing, J. Cassara |
| Modifier: | H. Sims | Research group: | paleobotany |
| Created: | 2001-06-25 07:56:59 | Last modified: | 2003-07-22 11:48:38 |
| Access level: | the public | Released: | 2001-06-25 07:56:59 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 4023. | ETE 425 | L. J. Hickey. 1977. Stratigraphy and paleobotany of the Golden Valley Formation (Early Tertiary) of western North Dakota. The Geological Society of America Memoir 150:1-183 [H. Sims/S. Ostrowski/J. Cassara] |
Secondary references:
| 19407 | S.L. Wing and L.J. Hickey. 1984. The Platycarya perplex and the evolution of the Juglandaceae. American Journal of Botany 71:388-411 [S. Wing/S. Wing] |