Cadeuil subunit A1, horizon A1a (Cretaceous of France)

Where: Charente-Maritime, France (45.8° N, 0.9° W: paleocoordinates 34.5° N, 1.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Early/Lower Cenomanian (99.6 - 93.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: estuary or bay; claystone

• Section A1 is of brackish to coastal marine origin.
• Horizon A1a consists of "a few clayey lenses" surrounded by the coarse sand of subunit A1.

Size class: mesofossils

Preservation: adpression

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176637: authorized by Paul Barrett, entered by Terri Cleary on 19.02.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Brenneripollis
  -
Brenneripollis sp. Juhász and Goczan 1985
Pinopsida
 Pinales - Araucariaceae
 Pinales - Cheirolepidiaceae
Frenelopsis sp. Fontaine 1889
"the main component of the fossil plant cuticles from A1a is by far the cheirolepidiaceous conifer Frenelopsis"
Afropollis
  -
Afropollis sp. Doyle et al. 1982
Monocotyledoneae
  -
? Monosulcites sp. Cookson and Couper 1953
noted as Monosulcites sp./Cycadopites sp.
Cycadopsida
 Cycadales -
Eucommiidites troedssonii Potonié 1958 cycads
Pteridopsida
  -
 Schizaeales - Schizaeaceae
Biretisporites potoniei Delcourt and Sprumont 1955
 Gleicheniales - Matoniaceae
 Gleicheniales - Gleicheniaceae
Ornamentifera sp. Bolkhovitina 1966
  -
Lycopsida
  - Lycopodiaceae
Microreticulatisporites
  -
Magnoliopsida
 Magnoliales - Chloranthaceae
  -
Reticulosporis
  -
Plicifera
  -
Plicifera sp. Bolchovitina 1966
Pinidae
 Cupressales - Pinidae