Contamana, CTA 14 (Cretaceous to of Peru)

Where: Loreto, Peru (7.2° S, 75.0° W: paleocoordinates 10.8° S, 44.8° W)

• coordinate based on unpublished field data

When: Agua Caliente Formation, Aptian to Aptian (125.0 - 100.5 Ma)

Environment/lithology: shallow subtidal; lithified, argillaceous sandstone and lithified, black, argillaceous shale

• The Agua Caliente Formation comprises sandstones interbedded with black shales that correspond to sand bars and subtidal sedimentary environments (Kummel, 1948)

Size class: microfossils

Preservation: soft parts, original sporopollenin

Collection methods: chemical, hydrochloric, hydroflouric, sieve

Primary reference: P. Mejia-Velazquez, S. R. Manchester, and C. Jaramillo. 2012. Floristic reconstruction of two Lower Cretaceous sections from Peru during the period of early angiosperm diversification and their climatic implications. 13th International Palynological Congress and 9th International Organization of Palaeobotany Conference GS02-GS006 [C. Jaramillo/G. Doria/A. Cardenas ]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 144299: authorized by Carlos Jaramillo, entered by Gabriela Doria on 03.05.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Retipollenites
  -
Retipollenites sp. González-Guzmán 1967
Phimopollenites
  -
Liliopsida
 Alismatales - Alismatidae
Pennipollis peroreticulatus Friis et al. 2000
Pennipollis reticulatus Friis et al. 2010
Retitricolpites
  -
Retitricolpites "grandi" Van der Hammen 1956
Retitricolpites "sp. A" Van der Hammen 1956
Retitricolpites "sp. B" Van der Hammen 1956
Retitricolpites microreticulatus
  -
Psilatricolpites
  -
Psilamonocolpites
  -
Multiporopollenites
  -
Pinopsida
 Pinales - Araucariaceae
 Pinales - Cheirolepidiaceae
 Pinales -
Ginkgoopsida
 Ephedrales - Ephedraceae
Ephedripites "dupliplicatus" Bolkhovitina and Potonié 1958 jointfir
Ephedripites "minutus" Bolkhovitina and Potonié 1958 jointfir
Ephedripites "pigmeosulcatus" Bolkhovitina and Potonié 1958 jointfir
Ephedripites sp. Bolkhovitina and Potonié 1958 jointfir
Ephedripites "sp. A" Bolkhovitina and Potonié 1958 jointfir
Ephedripites ambiguus Hedlund 1966 jointfir
Ephedripites pentacostatus Brenner 1968 jointfir
Ephedripites montanaensis Brenner 1968 jointfir
Ephedripites strigatus Brenner 1968 jointfir
Tetracolpites
  -
Retimonocolpites
  -
Afropollis
  -
Afropollis zonatus
  -
Afropollis zonatus Doyle et al. 1982
Afropollis operculatus
  -
Afropollis operculatus Doyle et al. 1982
Afropollis jardinus
  -
Afropollis aff. jardinus Doyle et al. 1982
Afropollis jardinus Doyle et al. 1982
Monocotyledoneae
 Liliales - Liliidae
  -
Cycadopites
  -
Cycadopites nitidus de Jersey 1964
Cycadopites ovatus Rouse 1959
Pteridopsida
  -
Todisporites minor Couper 1953
Trilites "sp. SCI.124" Erdtman and Couper 1947
Concavissimisporites "psilatus" Delcourt and Sprumont 1955
Echinatisporis varispinosus Srivastava 1975
Cyathidites minor Couper 1953
 Salviniales - Marsileaceae
 Schizaeales -
Appendicisporites tricornitatus Weyland and Greifeld 1953
Ruffordiaspora australiensis Dettmann and Clifford 1992
 Schizaeales - Schizaeaceae
Cicatricosisporites hallei Delcourt and Sprumont 1955
/venustus
Biretisporites potoniei Delcourt and Sprumont 1955
 Gleicheniales - Matoniaceae
 Gleicheniales - Gleicheniaceae
  -
Psilatriletes
  -
Lycopsida
  -
  - Selaginellaceae
  - Lycopodiaceae
Foraminisporis
  -
Dicotyledonae
 Euphorbiales - Dilleniidae
Tricolporopollenites "maculosus" Thomson and Pflug 1953
Magnoliopsida
  -
Gemmatriletes
  -
 Gymnospermophyta -
Chomotriletes
  -
Gabonisporites
  -
Punctatosporites
  -
Pinidae
 Cupressales - Pinidae
Inaperturopollenites dubius Thomson and Pflug 1953
Tricolpopollenites retiformis
  -
Tricolpopollenites retiformis Thomson and Pflug 1953
Trisectoris
  -
Trisectoris reticulatus Heimhofer and Hochuli 2010
Striatriletes
  -
Striatriletes sp. Potonié 1956