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• coordinate based on unpublished field data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
Striatriletes
  -
Striatriletes sp.
Striatriletes sp. Potonié 1956
Psilatricolpites
  -
Psilatricolpites "triprotuberatus", Psilatricolpites aff. hammenii, Psilatricolpites tetradus
Psilatricolpites "triprotuberatus" Van der Hammen and Wijmstra 1964
Multiporopollenites
  -
Multiporopollenites mulleri, Multiporopollenites polygonalis
Phimopollenites
  -
Phimopollenites "sp. A"
Retipollenites
  -
Retipollenites sp.
Retipollenites sp. González-Guzmán 1967
Psilamonocolpites
  -
Psilamonocolpites aff. minor
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
Equisetopsida
 Anthocerotidae - Anthocerotidae
Foraminisporis wonthaggiensis
 Pinidae - Pinidae
Classopollis classoides
 Cupressales - Pinidae
Inaperturopollenites dubius
Inaperturopollenites dubius Thomson and Pflug 1953
 Pinidae - Pinidae
Balmeisporites minutus
Scabratriletes
  -
Scabratriletes "bellus"
Scabratriletes "bellus" Van der Hammen
Angiospermae
  -
Afropollis "microreticulatus", Afropollis "strictoreticulatus", Afropollis aff. jardinus, Afropollis jardinus, Afropollis operculatus, Afropollis zonatus, 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 aff. jardinus Doyle et al. 1982
Afropollis jardinus Doyle et al. 1982
Afropollis operculatus Doyle et al. 1982
Afropollis zonatus Doyle et al. 1982
Retimonocolpites sp. Pierce 1961
Retimonocolpites "microreticulatus" Van der Hammen and Garcia de Mutis 1966
 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"
 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 limai, Stellatopollis barghoornii
Stellatopollis limai Ibrahim 2002
Stellatopollis barghoornii Doyle et al. 1975
 Coniferales - Podocarpaceae
Callialasporites dampieri, Callialasporites turbatus
Callialasporites dampieri Balme 1957 podocarp
Callialasporites turbatus Schulz 1967 podocarp
Magnoliopsida
  -
Rousea geraniodes
Echitriletes
  -
Echitriletes "periechinatus"
Gnetaceaepollenites
  -
Gnetaceaepollenites oreadis, Gnetaceaepollenites diversus, Gnetaceaepollenites barghoornii
Verrutriletes
  -
Verrutriletes "minutiverrucatus", Verrutriletes "perinofractusratus", Verrutriletes "periverrucatus", Verrutriletes sp.
Verrutriletes sp. Pierce 1961
Lycopodiopsida
 Selaginellales - Selaginellaceae
Neoraistrickia "constrictus"
Neoraistrickia "constrictus" Potonié 1956 spikemoss
 Lycopodiales - Lycopodiaceae
Hamulatisporis insignis
 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
Psilatriletes
  -
Psilatriletes "circulari", Psilatriletes "largerthan20microns", Psilatriletes aff. lobatus
Psilatriletes aff. lobatus Salujha et al. 1969
Pteridopsida
  -
Matonisporites equiexinus, Todisporites minor, Echinatisporis varispinosus, Cyathidites minor, Ischyosporites variegatus
Todisporites minor Couper 1953
Echinatisporis varispinosus Srivastava 1975
Cyathidites minor Couper 1953
Polypodiopsida
  -
Biretisporites potoniei, Punctatosporites scabratus
Biretisporites potoniei Delcourt and Sprumont 1955
  - Marsileaceae
Crybelosporites "pellitus", Crybelosporites pannuceus
Crybelosporites pannuceus Srivastava 1977
  - Blechnaceae
Leptolepidites major
  - Dicksoniaceae
Trilites "sp. SCI.124"
Trilites "sp. SCI.124" Erdtman and Couper 1947
  - Gleicheniaceae
Gleicheniidites senonicus
 Schizaeales - Polypodiidae
Appendicisporites tricornitatus, Ruffordiaspora australiensis, Cicatricosisporites potomacensis, Cicatricosisporites hallei
Appendicisporites tricornitatus Weyland and Greifeld 1953
Ruffordiaspora australiensis Dettmann and Clifford 1992
Cicatricosisporites hallei Delcourt and Sprumont 1955
/venustus
 Gleicheniales - Polypodiidae
Dictyophyllidites harrisii
Concavissimisporites
  -
Concavissimisporites "psilatus"
Concavissimisporites "psilatus" Delcourt and Sprumont 1955
Cycadopites
  -
Cycadopites ovatus, Cycadopites nitidus
Cycadopites ovatus Rouse 1959
Cycadopites nitidus de Jersey 1964
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 ambiguus, Ephedripites montanaensis, Ephedripites strigatus, Ephedripites pentacostatus
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 ambiguus Hedlund 1966
Ephedripites strigatus Brenner 1968
Chomotriletes
  -
Chomotriletes almagrensis
Gemmatriletes
  -
Gemmatriletes clavatus
Trisectoris
  -
Trisectoris reticulatus
Trisectoris reticulatus Heimhofer and Hochuli 2010
Tricolpopollenites retiformis
  -
Tricolpopollenites retiformis
Tricolpopollenites retiformis Thomson and Pflug 1953
Gabonisporites
  -
Gabonisporites vigorouxii