Bassin du Sénégal, Barrémien-Aptien (Cretaceous to of Senegal)

Also known as Zona a Choffatella decipiens-Pseudocyclamina hedbergi

Where: Dakar, Senegal (14.8° N, 17.1° W: paleocoordinates 14.0° N, 18.6° W)

• coordinate estimated from map

When: Choffatella decipiens-Pseudocyclamina hedbergi ammonoid zone, Barremian to Barremian (129.4 - 113.0 Ma)

• Alors qu'au Senegal le Jurassique superieur et le Cretace inferieur, generalement carbonates ou argilo-greseux, ont ete dates sans ambiguite

Environment/lithology: marine; lithified, argillaceous, calcareous lithology not reported

Size class: microfossils

Preservation: soft parts, original sporopollenin

Collection methods: chemical, hydrochloric, hydroflouric, sieve

Primary reference: S. Jardiné and H. Magloire. 1965. Palynologuie et stratigraphie du Crétacé des Bassin du Sénégal et Cote d'Ivoire. Mémoires du Bureau de Recherches Géologiques et Miniéres 32:187-245 [C. Jaramillo/G. Doria/A. Cardenas ]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 137358: authorized by Carlos Jaramillo, entered by Gabriela Doria on 15.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Ostracoda
 Palaeocopida -
Circulina sp. Sepkoski 2002 ostracod
S.Cl.303
Actinopteri
 Teleostei -
Incertae "sedis A" Brito and Gallo 2002
S.Cl.156
Trifossapollenites
  -
Pinopsida
 Pinales - Araucariaceae
Araucariacites australis Cookson 1947
S.CL.158
 Pinales - Cheirolepidiaceae
Classopollis sp. Pflug 1953
S.Cl.302 310
Cycadopites
  -
Cycadopites ovatus Rouse 1959
Pteridopsida
  -
Trilites "sp. 1" Erdtman and Couper 1947
S.CL.128
Trilites "sp. 2" Erdtman and Couper 1947
S.CL.124
 Schizaeales -
  -
Pinidae
 Cupressales - Pinidae
Inaperturopollenites "sp. 1" Potonié 1966
S.Cl.396