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• coordinate based on unpublished field data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

Show authors, comments, and common names
unclassified
  -
Stelatopollis sp., Striatipollis trochuensis, Steveesipollenites binodosus, Steveesipollenites dayani, Araucariacidites australis, Eucommidiites troedsonni, Inapertusropollenites "baculatus", Baculotriletes "mediobaculatus", Baculotriletes "minutusbaculatus", Baculotriletes sp., Rugutriletes "minutirugulatus", Schizea certa, Spore indet., Acritarch indet., Fungi indet.
Schizea certa
forma 10 forma 12
Fungi indet. Jahn and Jahn 1959
Gnetaceaepollenites
  -
Gnetaceaepollenites barghoornii, Gnetaceaepollenites oreadis, Gnetaceaepollenites diversus
Gnetaceaepollenites oreadis Srivastava 1968
Echitriletes
  -
Echitriletes "periechinatus"
Equisetopsida
 Anthocerotidae - Anthocerotidae
Foraminisporis wonthaggiensis
 Pinidae - Pinidae
Balmeisporites minutus
 Cupressales - Pinidae
Inaperturopollenites dubius
Inaperturopollenites dubius Thomson and Pflug 1953
 Pinidae - Pinidae
Classopollis classoides
Multiporopollenites
  -
Multiporopollenites mulleri, Multiporopollenites polygonalis
Retipollenites
  -
Retipollenites sp.
Retipollenites sp. González-Guzmán 1967
Retitricolpites
  -
Retitricolpites "colpoverrucatus", Retitricolpites "grandi", Retitricolpites "reticuloghazalatensi", Retitricolpites "sp. A", Retitricolpites "sp. B"
Retitricolpites "grandi" Van der Hammen 1956
Retitricolpites "sp. A" Van der Hammen 1956
Retitricolpites "sp. B" Van der Hammen 1956
Retitricolpites microreticulatus
  -
Retitricolpites microreticulatus
Phimopollenites
  -
Phimopollenites "sp. A"
Psilatricolpites
  -
Psilatricolpites "triprotuberatus", Psilatricolpites aff. hammenii, Psilatricolpites tetradus
Psilatricolpites "triprotuberatus" Van der Hammen and Wijmstra 1964
Psilamonocolpites
  -
Psilamonocolpites aff. minor
 Coniferales - Podocarpaceae
Callialasporites dampieri, Callialasporites turbatus
Callialasporites dampieri Balme 1957 podocarp
Callialasporites turbatus Schulz 1967 podocarp
Magnoliopsida
  -
Rousea geraniodes
Angiospermae
 Alismatales -
Pennipollis "anonimus", Pennipollis "sp. AR4", Pennipollis reticulatus, Pennipollis peroreticulatus
Pennipollis reticulatus Friis et al. 2010
Pennipollis peroreticulatus Friis et al. 2000
  -
Stellatopollis araripiensis, Stellatopollis larguissimus, Stellatopollis barghoornii, Stellatopollis limai, Retimonocolpites "acollumellatus", Retimonocolpites "acrocollumellatus", Retimonocolpites "definitus", Retimonocolpites "internopsilatus", Retimonocolpites "margocolpatus", Retimonocolpites "mediu", Retimonocolpites "retinodetachatu", Retimonocolpites "trichotomosulcatus", Retimonocolpites matruhensis, Retimonocolpites sp., Retimonocolpites "sp. 3", Retimonocolpites "microreticulatus", Afropollis "microreticulatus", Afropollis "strictoreticulatus", Afropollis operculatus, Afropollis zonatus, Afropollis aff. jardinus, Afropollis jardinus
Stellatopollis barghoornii Doyle et al. 1975
Stellatopollis limai Ibrahim 2002
Retimonocolpites sp. Pierce 1961
Retimonocolpites "microreticulatus" Van der Hammen and Garcia de Mutis 1966
Afropollis "microreticulatus" Doyle et al. 1982
Afropollis operculatus Doyle et al. 1982
Afropollis zonatus Doyle et al. 1982
Afropollis aff. jardinus Doyle et al. 1982
Afropollis jardinus Doyle et al. 1982
 Malpighiales - Euphorbiaceae
Tricolporopollenites "maculosus"
Tricolporopollenites "maculosus" Thomson and Pflug 1953 spurge
 Gunnerales -
Tricolpites sp., Tricolpites pachyexinus
Tricolpites sp. Couper 1953
 Mesangiosperms - Liliaceae
Liliacidites "heterobrochatus"
  -
Tetracolpites "heterobrochatus"
Striatriletes
  -
Striatriletes sp.
Striatriletes sp. Potonié 1956
Psilatriletes
  -
Psilatriletes "circulari", Psilatriletes "largerthan20microns", Psilatriletes aff. lobatus
Psilatriletes aff. lobatus Salujha et al. 1969
Polypodiopsida
  - Gleicheniaceae
Gleicheniidites senonicus
 Schizaeales - Polypodiidae
Cicatricosisporites potomacensis, Cicatricosisporites hallei, Ruffordiaspora australiensis, Appendicisporites tricornitatus
Cicatricosisporites hallei Delcourt and Sprumont 1955
/venustus
Ruffordiaspora australiensis Dettmann and Clifford 1992
Appendicisporites tricornitatus Weyland and Greifeld 1953
 Gleicheniales - Polypodiidae
Dictyophyllidites harrisii
  -
Punctatosporites scabratus
  - Blechnaceae
Leptolepidites major
  -
Biretisporites potoniei
Biretisporites potoniei Delcourt and Sprumont 1955
  - Marsileaceae
Crybelosporites "pellitus", Crybelosporites pannuceus
Crybelosporites pannuceus Srivastava 1977
  - Dicksoniaceae
Trilites "sp. SCI.124"
Trilites "sp. SCI.124" Erdtman and Couper 1947
Pteridopsida
  -
Todisporites minor, Matonisporites equiexinus, Echinatisporis varispinosus, Ischyosporites variegatus, Cyathidites minor
Todisporites minor Couper 1953
Echinatisporis varispinosus Srivastava 1975
Cyathidites minor Couper 1953
Lycopodiopsida
 Lycopodiales -
Retitriletes "bellus", Retitriletes "bifurculaesuratus", Retitriletes "crassomuratus", Retitriletes "microreticulatus"
Retitriletes "bellus" Pierce 1961 clubmoss
Retitriletes "bifurculaesuratus" Pierce 1961 clubmoss
Retitriletes "crassomuratus" Pierce 1961 clubmoss
Retitriletes "microreticulatus" Pierce 1961 clubmoss
 Lycopodiales - Lycopodiaceae
Hamulatisporis insignis
 Selaginellales - Selaginellaceae
Neoraistrickia "constrictus"
Neoraistrickia "constrictus" Potonié 1956 spikemoss
Scabratriletes
  -
Scabratriletes "bellus"
Scabratriletes "bellus" Van der Hammen
Verrutriletes
  -
Verrutriletes "minutiverrucatus", Verrutriletes "perinofractusratus", Verrutriletes "periverrucatus", Verrutriletes sp.
Verrutriletes sp. Pierce 1961
Concavissimisporites
  -
Concavissimisporites "psilatus"
Concavissimisporites "psilatus" Delcourt and Sprumont 1955
Ginkgoopsida
 Ephedrales -
Ephedripites "dupliplicatus", Ephedripites "minutus", Ephedripites "pigmeosulcatus", Ephedripites ambonoides, Ephedripites chaloneri, Ephedripites costaliferus, Ephedripites procerus, Ephedripites sp., Ephedripites "sp. A", Ephedripites strigatusminor, Ephedripites sulcatus, Ephedripites validus, Ephedripites strigatus, Ephedripites pentacostatus, Ephedripites ambiguus, Ephedripites montanaensis
Ephedripites "dupliplicatus" Bolkhovitina and Potonié 1958
Ephedripites "minutus" Bolkhovitina and Potonié 1958
Ephedripites "pigmeosulcatus" Bolkhovitina and Potonié 1958
Ephedripites sp. Bolkhovitina and Potonié 1958
Ephedripites "sp. A" Bolkhovitina and Potonié 1958
Ephedripites strigatus Brenner 1968
Ephedripites ambiguus Hedlund 1966
Cycadopites
  -
Cycadopites ovatus, Cycadopites nitidus
Cycadopites ovatus Rouse 1959
Cycadopites nitidus de Jersey 1964
Trisectoris
  -
Trisectoris reticulatus
Trisectoris reticulatus Heimhofer and Hochuli 2010
Chomotriletes
  -
Chomotriletes almagrensis
Gemmatriletes
  -
Gemmatriletes clavatus
Gabonisporites
  -
Gabonisporites vigorouxii
Tricolpopollenites retiformis
  -
Tricolpopollenites retiformis
Tricolpopollenites retiformis Thomson and Pflug 1953