Contamana, CTA 14: Aptian - Albian, Peru

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Stelatopollis sp.
Striatipollis trochuensis
Steveesipollenites binodosus
Steveesipollenites dayani
Araucariacidites australis
Eucommidiites troedsonni
Inapertusropollenites informal baculatus
Baculotriletes informal mediobaculatus
Baculotriletes informal minutusbaculatus
Baculotriletes sp.
Rugutriletes informal minutirugulatus
Schizea certa
forma 10 forma 12
Spore indet.
Acritarch indet.
Fungi indet. Jahn and Jahn 1959
Scabratriletes informal bellus
Phimopollenites informal sp. A Dettmann 1973
Psilatricolpites informal triprotuberatus
Psilatricolpites aff. hammenii
Psilatricolpites tetradus Brenner 1968
Retitricolpites informal colpoverrucatus
Retitricolpites informal grandi
Retitricolpites informal reticuloghazalatensi
Retitricolpites informal sp. A Van der Hammen 1956
Retitricolpites informal sp. B Van der Hammen 1956
Retitricolpites microreticulatus (Van der Hammen 1954)
Retipollenites sp. González-Guzmán 1967
Multiporopollenites mulleri
Multiporopollenites polygonalis
Psilamonocolpites aff. minor
Equisetopsida
Foraminisporis wonthaggiensis Dettmann 1963
Equisetopsida - Cheirolepidiaceae
Classopollis classoides Pflug 1953
Equisetopsida - Araucariaceae
Balmeisporites minutus
Equisetopsida - Cupressales
Inaperturopollenites dubius Thomson and Pflug 1953
unclassified
Gnetaceaepollenites oreadis Srivastava 1968
Gnetaceaepollenites diversus Stover 1964
Gnetaceaepollenites barghoornii Lima 1980
Striatriletes sp. Potonié 1956
Echitriletes informal periechinatus
Cycadopites nitidus de Jersey 1964
Cycadopites ovatus Rouse 1959
Ginkgoopsida - Ephedrales
Ephedripites informal dupliplicatus
Ephedripites informal minutus
Ephedripites informal pigmeosulcatus
Ephedripites ambonoides
Ephedripites chaloneri
Ephedripites costaliferus
Ephedripites procerus
Ephedripites sp. Bolkhovitina and Potonié 1958
Ephedripites informal sp. A Bolkhovitina and Potonié 1958
Ephedripites strigatusminor
Ephedripites sulcatus
Ephedripites validus
Ephedripites strigatus Brenner 1968
Ephedripites montanaensis Brenner 1968
Ephedripites pentacostatus Brenner 1968
Ephedripites ambiguus Hedlund 1966
unclassified
Concavissimisporites informal psilatus
Angiospermae
Retimonocolpites informal acollumellatus
Retimonocolpites informal acrocollumellatus
Retimonocolpites informal definitus
Retimonocolpites informal internopsilatus
Retimonocolpites informal margocolpatus
Retimonocolpites informal mediu
Retimonocolpites informal retinodetachatu
Retimonocolpites informal trichotomosulcatus
Retimonocolpites matruhensis
Retimonocolpites sp. Pierce 1961
Retimonocolpites informal sp. 3 Pierce 1961
Retimonocolpites informal microreticulatus Van der Hammen and Garcia de Mutis 1966
Afropollis informal microreticulatus
Afropollis informal strictoreticulatus
Afropollis zonatus Doyle et al. 1982
Afropollis operculatus Doyle et al. 1982
Afropollis aff. jardinus Doyle et al. 1982
Afropollis jardinus Doyle et al. 1982
Tetracolpites informal heterobrochatus
Angiospermae - Malpighiales - Euphorbiaceae
Tricolporopollenites informal maculosus
Angiospermae - Alismatales
Pennipollis informal anonimus
Pennipollis informal sp. AR4 Friis 2000
Pennipollis peroreticulatus Friis et al. 2000
Pennipollis reticulatus Friis et al. 2010
Angiospermae
Stellatopollis araripiensis
Stellatopollis larguissimus
Stellatopollis limai Ibrahim 2002
Stellatopollis barghoornii Doyle et al. 1975
Angiospermae - Gunnerales
Tricolpites sp. Couper 1953
Tricolpites pachyexinus Couper 1953
Angiospermae - Liliaceae
Liliacidites informal heterobrochatus
Magnoliopsida
Rousea geraniodes
Coniferales - Podocarpaceae
Callialasporites turbatus Schulz 1967
Callialasporites dampieri (Balme 1957)
original and current combination Zonallapollenites dampieri
Lycopodiopsida - Lycopodiales
Retitriletes informal bellus
Retitriletes informal bifurculaesuratus
Retitriletes informal crassomuratus
Retitriletes informal microreticulatus
Lycopodiopsida - Lycopodiales - Lycopodiaceae
Hamulatisporis insignis
Lycopodiopsida - Selaginellales - Selaginellaceae
Neoraistrickia informal constrictus
Polypodiopsida
Punctatosporites scabratus Norris 1965
Polypodiopsida - Dicksoniaceae
Trilites informal sp. SCI.124 Erdtman and Couper 1947
Polypodiopsida - Marsileaceae
Crybelosporites informal pellitus
Crybelosporites pannuceus Srivastava 1977
Polypodiopsida - Blechnaceae
Leptolepidites major Couper 1953
Polypodiopsida
Biretisporites potoniei (Delcourt and Sprumont 1955)
original and current combination Biretisporites potoniaei
Polypodiopsida - Gleicheniaceae
Gleicheniidites senonicus Ross 1949
Polypodiopsida - Schizaeales
Ruffordiaspora australiensis Dettmann and Clifford 1992
Appendicisporites tricornitatus Weyland and Greifeld 1953
Polypodiopsida - Schizaeales - Schizaeaceae
Cicatricosisporites hallei Delcourt and Sprumont 1955
/venustus
Cicatricosisporites potomacensis Brenner 1963
Polypodiopsida - Gleicheniales - Matoniaceae
Dictyophyllidites harrisii Couper 1958
Pteridopsida
Ischyosporites variegatus Schultz 1967
Matonisporites equiexinus Couper 1958
Echinatisporis varispinosus Srivastava 1975
Cyathidites minor Couper 1953
Todisporites minor Couper 1953
unclassified
Psilatriletes informal circulari
Psilatriletes informal largerthan20microns
Psilatriletes aff. lobatus Salujha et al. 1969
Verrutriletes informal minutiverrucatus
Verrutriletes informal perinofractusratus
Verrutriletes informal periverrucatus
Verrutriletes sp. Pierce 1961
Trisectoris reticulatus Heimhofer and Hochuli 2010
Gabonisporites vigorouxii
Tricolpopollenites retiformis Thomson and Pflug 1953
Gemmatriletes clavatus Brenner 1968
Chomotriletes almagrensis
see common names

Geography
Country:Peru State/province:Loreto
Coordinates: 7.2° South, 75.0° West (view map)
Paleocoordinates:10.8° South, 44.8° West
Basis of coordinate:unpublished field data
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Key time interval:Aptian - Albian
Age range of interval:121.40000 - 100.50000 m.y. ago
Stratigraphy
Formation:Agua Caliente
Local section:Agua Fria Local bed:255 m
Local order:top to bottom
Lithology and environment
Primary lithology: lithified argillaceous sandstone
Secondary lithology:black lithified argillaceous "shale"
Lithology description: The Agua Caliente Formation comprises sandstones interbedded with black shales that correspond to sand bars and subtidal sedimentary environments (Kummel, 1948)
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:soft parts,original sporopollenin
Size of fossils:microfossils
Collection methods and comments
Collection excludes:all microfossils
Collection methods:chemical,hydrochloric,hydroflouric,sieve
Reason for describing collection:paleoecologic analysis
Metadata
Database number:144299
Authorizer:C. Jaramillo Enterer:G. Doria
Modifier:G. Doria
Created:2013-05-03 09:03:20 Last modified:2013-05-02 18:11:29
Access level:group members Released:2014-05-03 09:03:20
Creative Commons license:CC BY
Reference information

Primary reference:
46654. 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. Cárdenas]