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• coordinate based on unpublished field data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