Cadeuil subunit A1, horizon A1a: Early/Lower Cenomanian, France
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Cicatricocisporites venustus
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Peyrot et al. 2005 | |||||||||
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Microreticulatisporites sacali
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Peyrot et al. 2005 | |||||||||
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Pteridopsida
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Todisporites minor
Couper 1953
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Peyrot et al. 2005 | |||||||||
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Osmundacidites wellmanii
Couper 1953
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Peyrot et al. 2005 | |||||||||
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Deltoidospora mesozoica
Schuurman 1977
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Peyrot et al. 2005 | |||||||||
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Polypodiopsida
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Biretisporites potoniei
(Delcourt and Sprumont 1955)
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Peyrot et al. 2005 | |||||||||
| original and current combination Biretisporites potoniaei | ||||||||||
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Polypodiopsida
- Blechnaceae
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Peromonolites allenensis
Brenner 1963
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Peyrot et al. 2005 | |||||||||
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Polypodiopsida
- Polypodiaceae
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Laevigatosporites sp.
Ibrahim 1933
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Peyrot et al. 2005 | |||||||||
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Polypodiopsida
- Gleicheniaceae
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Ornamentifera sp.
Bolkhovitina 1966
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Peyrot et al. 2005 | |||||||||
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Gleicheniidites senonicus
Ross 1949
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Peyrot et al. 2005 | |||||||||
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Polypodiopsida
- Gleicheniales
- Matoniaceae
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Dictyophyllidites harrisii
Couper 1958
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Peyrot et al. 2005 | |||||||||
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Angiospermae
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? Monosulcites sp.
Cookson and Couper 1953
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Peyrot et al. 2005 | |||||||||
| noted as Monosulcites sp./Cycadopites sp. | ||||||||||
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Afropollis sp.
Doyle et al. 1982
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Peyrot et al. 2005 | |||||||||
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Angiospermae
- Gunnerales
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Tricolpites cf. exiguiexemplum
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Peyrot et al. 2005 | |||||||||
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Angiospermae
- Chloranthales
- Chloranthaceae
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Clavatipollenites hughesii
Kemp 1968
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Peyrot et al. 2005 | |||||||||
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unclassified
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Brenneripollis sp.
Juhász and Goczan 1985
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Peyrot et al. 2005 | |||||||||
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Equisetopsida
- Cupressales
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Inaperturopollenites sp.
Potonié 1966
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Peyrot et al. 2005 | |||||||||
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Equisetopsida
- Araucariaceae
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Araucariacites australis
Cookson 1947
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Peyrot et al. 2005 | |||||||||
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Equisetopsida
- Cheirolepidiaceae
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Frenelopsis sp.
Schenk 1869
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| "the main component of the fossil plant cuticles from A1a is by far the cheirolepidiaceous conifer Frenelopsis" | ||||||||||
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Classopollis classoides
Pflug 1953
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Peyrot et al. 2005 | |||||||||
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Lycopodiopsida
- Lycopodiales
- Lycopodiaceae
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Sestrosporites irregulatus
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Peyrot et al. 2005 | |||||||||
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Lycopodiopsida
- Lycopodiales
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Retitriletes anulatus
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Peyrot et al. 2005 | |||||||||
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unclassified
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Concavissimisporites subgranulosus
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Peyrot et al. 2005 | |||||||||
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Cycadopsida
- Cycadales
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Eucommiidites troedssonii
Potonié 1958
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Peyrot et al. 2005 | |||||||||
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unclassified
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Plicifera sp.
Bolchovitina 1966
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Peyrot et al. 2005 | |||||||||
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Reticulosporis gallicus
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Peyrot et al. 2005 | |||||||||
| see common names | ||||||||||
Geography
| Country: | France | State/province: | Charente-Maritime |
| Coordinates: | 45.8° North, 0.9° West (view map) | ||
| Paleocoordinates: | 34.5° North, 1.1° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Cenomanian | 10 m.y. bin: | Cretaceous 5 |
| Key time interval: | Early/Lower Cenomanian | ||
| Age range of interval: | 100.50000 - 93.90000 m.y. ago |
Stratigraphy
| Local section: | A1 | Local bed: | A1a |
| Local order: | bottom to top | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | claystone |
| Lithology description: Horizon A1a consists of "a few clayey lenses" surrounded by the coarse sand of subunit A1. | |
| Environment: | estuary/bay |
| Geology comments: Section A1 is of brackish to coastal marine origin. | |
Taphonomy
| Modes of preservation: | adpression |
| Size of fossils: | mesofossils |
Collection methods and comments
| Collection methods: | survey of museum collection,observed (not collected) |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 176637 | ||
| Authorizer: | P. Barrett | Enterer: | T. Cleary |
| Modifier: | T. Cleary | Research group: | paleobotany |
| Created: | 2016-02-19 11:06:49 | Last modified: | 2016-02-25 07:50:07 |
| Access level: | the public | Released: | 2016-02-19 11:06:49 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 58205. | D. Neraudeau, V. Perrichot, J.-P. Colin, V. Girard, B. Gomez, F. Guillocheau, E. Masure, D. Peyrot, F. Tostain, B. Videt, and R. Vullo. 2008. A new amber deposit from the Cretaceous (uppermost Albian-lowermost Cenomanian) of southwestern France. Cretaceous Research 29:925-929 [P. Barrett/T. Cleary] |
Secondary references:
| 58207 | D. Peyrot, D. Jolly, and E. Barron. 2005. Apport de données palynologiques à la reconstruction paléoenvironnementale de l’Albo-Cénomanien des Charentes (Sud-Ouest de la France). Comptes Rendus Palevol 4:151-165 [P. Barrett/T. Cleary] |