McEvoy Formation in British Columbia: Neocomian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Niissonia schaumbergensis
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Niissonia tenuicaulis
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Niissonia orientalis
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Ginko cf. huttonii
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Niissonia parvula
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Niissonia brongniarti
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Ginkgoopsida
- Caytoniales
- Caytoniaceae
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Sagenopteris williamsii
Bell 1956
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Ginkgoopsida
- Czekanowskiales
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Czekanowskia sp.
Heer 1876
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Ginkgoopsida
- Ginkgoales
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Sphenobaiera longifolia
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Ginkgoopsida
- Ginkgoales
- Ginkgoaceae
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Baiera furcata
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Polypodiopsida
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Cladophlebis heterophylla
Fontaine 1892
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Cladophlebis virginiensis
Fontaine 1889
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Polypodiopsida
- Cyatheales
- Cyatheaceae
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Coniopteris hymenophylloides
(Brongniart 1828)
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| original and current combination Sphenopteris hymenophylloides | |||||||
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Polypodiopsida
- Polypodiales
- Dryopteridaceae
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Ctenis borealis
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Coniferales
- Podocarpaceae
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Podozamites lanceolatus
(Lindley and Hutton 1840)
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Bennettitales
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Pterophyllum bellii n. sp.
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Gnetopsida
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Pityophyllum nordenskioldii
(Heer 1899)
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| misspelling Pityophyllum nordenskioeldi | |||||||
| see common names | |||||||
Geography
| Country: | Canada | State/province: | British Columbia |
| Coordinates: | 49.7° North, 126.6° West (view map) | ||
| Paleocoordinates: | 18.2° North, 116.3° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | basin |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| 10 m.y. bin: | Cretaceous 1-2 | ||
| Key time interval: | Neocomian | ||
| Age range of interval: | 145.00000 - 125.77000 m.y. ago |
Stratigraphy
| Formation: | McEvoy |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | wave ripples,planar lamination lithified sandstone |
| Secondary lithology: | wave ripples lithified siltstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: Layer M1 consists of trough cross-bedded sandstone: pebble lags and rip-up clasts, fining-upwards sequence, trough cross-bedding, fossil plant detritus, fossil logs parralel and perpendicular to channels. Layer M2 consists of interbedded siltstone and mudstone: small-scale interbedding, fine-grained, ripple laminations and lower flow-regime plane beds, diverse in situ macrofloras. Layer M3 consists of ripple-laminated sandstones: fine-grained, planar bedded and ripple laminated, beds <1m thick: minor beds of mudstone. | |
| Environment: | delta plain |
Taphonomy
Collection methods and comments
| Collection methods: | core,field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 41192 | ||
| Authorizer: | A. Miller | Enterer: | D. Schramm |
| Modifier: | J. Alroy | Research group: | paleobotany |
| Created: | 2004-07-08 09:34:13 | Last modified: | 2006-08-15 14:26:20 |
| Access level: | the public | Released: | 2004-07-08 09:34:13 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11078. | S. E. MacLeod and L. V. Hills. 1990. Conformable Late Jurassic (Oxfordian) to Early Cretaceous Strata, northern Bowser Basin, British Columbia: a sedimentological and paleontological model. Canadian Journal of Earth Sciences 27:989-998 [A. Miller/D. Schramm/D. Schramm] |