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• coordinate based on unpublished field data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
  -
Psilatriletes
  -
Polypodiopsida
  - Marsileaceae
  -
Biretisporites potoniei Delcourt and Sprumont 1955
  - Gleicheniaceae
  - Blechnaceae
  -
 Gleicheniales - Polypodiidae
 Schizaeales - Polypodiidae
Ruffordiaspora australiensis Dettmann and Clifford 1992
Appendicisporites tricornitatus Weyland and Greifeld 1953
Cicatricosisporites hallei Delcourt and Sprumont 1955
/venustus
  - Dicksoniaceae
Trilites "sp. SCI.124" Erdtman and Couper 1947
Pteridopsida
  -
Scabratriletes
  -
Scabratriletes "bellus" Van der Hammen
Echitriletes
  -
Angiospermae
  -
 Mesangiosperms - Liliaceae
 Gunnerales -
Tricolpites sp. Couper 1953
  -
 Malpighiales - Euphorbiaceae
Tricolporopollenites "maculosus" Thomson and Pflug 1953 spurge
  -
Afropollis aff. jardinus Doyle et al. 1982
Afropollis jardinus Doyle et al. 1982
Afropollis operculatus Doyle et al. 1982
Afropollis zonatus Doyle et al. 1982
 Alismatales -
Pennipollis peroreticulatus Friis et al. 2000
Pennipollis reticulatus Friis et al. 2010
  -
Magnoliopsida
  -
 Coniferales - Podocarpaceae
Callialasporites dampieri Balme 1957 podocarp
Callialasporites turbatus Schulz 1967 podocarp
Verrutriletes
  -
Gnetaceaepollenites
  -
Striatriletes
  -
Striatriletes sp. Potonié 1956
Equisetopsida
 Pinidae - Pinidae
 Cupressales - Pinidae
Inaperturopollenites dubius Thomson and Pflug 1953
 Anthocerotidae - Anthocerotidae
Retipollenites
  -
Retipollenites sp. González-Guzmán 1967
Phimopollenites
  -
Psilatricolpites
  -
Retitricolpites
  -
Retitricolpites "grandi" Van der Hammen 1956
Retitricolpites "sp. A" Van der Hammen 1956
Retitricolpites "sp. B" Van der Hammen 1956
Retitricolpites microreticulatus
  -
Multiporopollenites
  -
Psilamonocolpites
  -
Cycadopites
  -
Cycadopites ovatus Rouse 1959
Cycadopites nitidus de Jersey 1964
Concavissimisporites
  -
Concavissimisporites "psilatus" Delcourt and Sprumont 1955
Ginkgoopsida
 Ephedrales -
Lycopodiopsida
 Lycopodiales -
Retitriletes "bellus" Pierce 1961 clubmoss
Retitriletes "bifurculaesuratus" Pierce 1961 clubmoss
Retitriletes "crassomuratus" Pierce 1961 clubmoss
Retitriletes "microreticulatus" Pierce 1961 clubmoss
 Lycopodiales - Lycopodiaceae
 Selaginellales - Selaginellaceae
Neoraistrickia "constrictus" Potonié 1956 spikemoss
unclassified
  -
Fungi indet. Jahn and Jahn 1959
Gabonisporites
  -
Trisectoris
  -
Trisectoris reticulatus Heimhofer and Hochuli 2010
Chomotriletes
  -
Gemmatriletes
  -
Tricolpopollenites retiformis
  -
Tricolpopollenites retiformis Thomson and Pflug 1953