Borehole 1-QS-1-MA, Sample 31 (Cretaceous to of Brazil)

Also known as Barreninhas Basin

Where: Maranhao, Brazil (3.7° S, 44.6° W: paleocoordinates 8.2° S, 15.5° W)

When: Caete Member (Agua Doce Formation), Early/Lower Albian to Early/Lower Albian (112.0 - 105.3 Ma)

Environment/lithology: deltaic; lithified, argillaceous sandstone and lithified shale

• A monotonous succession of sandstones, clayey sandstones and shales

Size class: microfossils

Preservation: soft parts, original sporopollenin

Collection methods: chemical, hydrochloric, hydroflouric, sieve

Primary reference: G. F. W. Herngreen. 1973. Palynology of the Albian-Cenomanian strata of Borehole 1-QS-1-MA, State of Maranhao, Brazil. Pollen et Spores 15(3-4):515-555 [C. Jaramillo/G. Doria/A. Cardenas ]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 142294: authorized by Carlos Jaramillo, entered by Gabriela Doria on 07.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Foraminifera
 Foraminifera -
Polypodiopsida
 Schizaeales - Polypodiidae
Cicatricosisporites sp. Potonie and Gelletich 1933
Cicatricosisporites hallei Delcourt and Sprumont 1955
Klukisporites sp. Couper 1958
Pteridopsida
  -
Retitriporites
  -
Retitriporites sp. Ramanujam 1966
Ginkgoopsida
 Ephedrales -
Ephedripites "sp. 1" Bolkhovitina and Potonié 1958
Ephedripites "sp. 10" Bolkhovitina and Potonié 1958
Ephedripites "sp. 11" Bolkhovitina and Potonié 1958
Ephedripites "sp. 2" Bolkhovitina and Potonié 1958
Ephedripites "sp. 3" Bolkhovitina and Potonié 1958
Ephedripites "sp. 4" Bolkhovitina and Potonié 1958
Ephedripites "sp. 5" Bolkhovitina and Potonié 1958
Ephedripites "sp. 6" Bolkhovitina and Potonié 1958
Ephedripites "sp. 7" Bolkhovitina and Potonié 1958
Ephedripites "sp. 8" Bolkhovitina and Potonié 1958
Ephedripites "sp. 9" Bolkhovitina and Potonié 1958
Ephedripites jansonii Muller 1968
Cycadopsida
 Cycadales -
Eucommiidites sp. Erdtman 1948 cycads
 Gnetales -
Elaterocolpites castelani Herngreen 1973 elaterate
Steevesipollenites binodosus Stover 1964 cycads
Elaterosporites klaszi Jardiné 1967 elaterate
Elaterosporites protensus Jardiné 1967 elaterate
Elaterosporites verrucatus Jardiné 1967 elaterate
Lycopodiopsida
 Lycopodiales - Lycopodiaceae
Lycopodiumsporites sp. Delcourt and Sprumont 1955 clubmoss
Reticulatasporites
  -
Scabramonocolpites
  -
Verrutriletes
  -
Equisetopsida
 Pinidae - Pinidae
Triporites
  -
Triporites sp. Van der Hammen 1954
Retitricolpites
  -
Retitricolpites "sp. 1" Van der Hammen 1956
Retitricolpites "sp. 2" Van der Hammen 1956
Retitricolpites "sp. 3" Van der Hammen 1956
Retitricolpites "sp. 4" Van der Hammen 1956
Retitricolpites "sp. 5" Van der Hammen 1956
Psilatricolpites
  -
Psilatricolpites "sp. 1" Van der Hammen and Wijmstra 1964
Psilatricolpites "sp. 2" Van der Hammen and Wijmstra 1964
Psilatricolpites "sp. 3" Van der Hammen and Wijmstra 1964
Psilatricolpites spp. Van der Hammen and Wijmstra 1964
Angiospermae
 Austrobaileyales - Trimeniaceae
  -
Monosulcites sp. Cookson and Couper 1953
Retimonocolpites sp. Pierce 1961
Dicotyledoneae
  -
Stephanocolpites sp. Van der Hammen 1954
Triorites sp. Couper 1953
Triorites africaensis Jardiné and Magloire 1965
Angiospermae
 Gunnerales -
Tricolpites indet. Couper 1953
 Buxales - Didymelaceae
Galeacornea causea
  -
Galeacornea causea Stover 1963 elaterate
Striatricolpites
  -
Striatricolpites "sp. 1" Van der Hammen 1956
Striatricolpites "sp. 2" Van der Hammen 1956
Chomotriletes
  -
Chomotriletes sp. Naumova 1953
Elateropollenites jardinei
  -
Elateropollenites jardinei Herngreen 1973 elaterate
Perotriletes pannuceus
  -
Senegalosporites
  -
Senegalosporites petrobrasi Herngreen 1973 elaterate
Reyrea polymorphus
  -
Reyrea polymorphus Herngreen 1973