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• coordinate based on unpublished field data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