Los Mangos 31 (Cretaceous to of Colombia)

Where: Huila, Colombia (2.6° N, 75.5° W: paleocoordinates 1.0° S, 45.3° W)

• coordinate stated in text

When: Aptian to Aptian (125.0 - 100.5 Ma)

Environment/lithology: estuary or bay; lithified sandstone and lithified, gray shale

• The Caballos Formation (highest in the sequence) is predominantly sandy, interbedded with dark gray shales and thin coal laminations interpreted as accumulating in estuarine deposits ( Florez and Carrillo, 1993 ).

Size class: microfossils

Preservation: soft parts, original sporopollenin

Collection methods: core, hydrochloric, hydroflouric

Primary reference: P. J. Mejia-Velazquez, D. L. Dilcher, C. A. Jaramillo, L. B. Fortini, and S. R. Manchester. 2012. Palynological composition of a Lower Cretaceous South American tropical sequence: Climatic implications and diversity comparisons with other latitudes. American Journal of Botany 99:1819-1827 [C. Jaramillo/G. Doria/A. Cardenas ]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 139401: authorized by Carlos Jaramillo, entered by Gabriela Doria on 11.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Angiosperm sp., Lilicacidites "incresatus", Retimonoporites "monoporiticus", Echisetosporites ambiguus, Equisetoporites dudarensis, Gnetaceapollenites "apolaris", Araucariacidites guianensis, Inaperturapollenites "pelludus", Inaperturapollenites ("scabratus") "50um", Inaperturapollenites ("scabratus") "50umthickwall", Appendicidisporites jansonii, Baculatriletes sp., Baculotriletes "cortobaculatus", Baculotriletes "dispersatus", Baculotriletes "longibaculatus", Camarazonosporites insignis, Dictiophyllidites "tripodioides", Muerrigerisporites coronispinalis, Rugulatriletes "crassorugulatus", Rugulatriletes "dissimulatus", Rugutriletes spp., Spore spp.
Exesipollenites tumulus
  -
Exesipollenites tumulus
Microfoveolatosporis
  -
Microfoveolatosporis skottsbergii
Lycopsida
  -
Foveotriletes "titanicus", Foveotriletes spp.
Foveotriletes "titanicus" Van der Hammen and Potonié 1956
Foveotriletes spp. Van der Hammen and Potonié 1956
Psilatriletes
  -
Psilatriletes "twentyfive", Psilatriletes "morethanfifty", Psilatriletes "betweentwentyfiveandfifty"
Pteridopsida
  -
Echinatisporis varispinosus, Clavatriletes sp.
Clavatriletes sp. Herbst 1975
Polypodiopsida
  - Polypodiaceae
Laevigatosporites cf. ovatus
Laevigatosporites cf. ovatus Wilson and Webster 1946
  - Blechnaceae
Leptolepidites "sutilis"
  - Osmundaceae
Baculatisporites comaumensis
 Schizaeales - Polypodiidae
Appendicisporites cf. dentimarginatus, Appendicisporites erdtmanii, Cicatricosisporites "pseudodorogensis", Cicatricosisporites spp., Cicatricosisporites hallei, Cicatricosisporites subrotundus, Cicatricosisporites sinuosus, Cicatricosisporites hughesii, Klukisporites foveolatus
Cicatricosisporites "pseudodorogensis" Potonie and Gelletich 1933
Cicatricosisporites spp. Potonie and Gelletich 1933
Cicatricosisporites hallei Delcourt and Sprumont 1955
  - Gleicheniaceae
Gleicheniidites senonicus
  - Marsileaceae
Crybelosporites "megasporicus"
  -
Verrucosisporites rotundus
Impardecispora
  -
Impardecispora trioreticulosa
Microreticulatisporites
  -
Microreticulatisporites "medioreticulatus"
Hepaticae
  -
Zlivisporis "titanicusarruguitas"
Zlivisporis "titanicusarruguitas" Pacltová 1964 liverwort
Scabramonocolpites
  -
Scabramonocolpites "circularis", Scabramonocolpites sp.
Echimonoletes
  -
Echimonoletes "sphericus", Echimonoletes spp.
Echimonoletes spp. der Hammen
Verrutriletes
  -
Verrutriletes "reticulatus clavatus", Verrutriletes "reticulatus", Verrutriletes "scabrosus", Verrutriletes "verruconstrictus", Verrutriletes spp.
Verrutriletes spp. Pierce 1961
Echitriletes
  -
Echitriletes "dispersiechinus", Echitriletes "minutus", Echitriletes "nanoechinus", Echitriletes spp.
Echitriletes spp. der Hammen
Equisetopsida
 Pinidae - Pinidae
Araucariacites australis, Classopollis sp., Classopollis cf. intrareticulatus, Classopollis classoides
Classopollis sp. Pflug 1953
Retitricolpites
  -
Retitricolpites spp.
Retitricolpites spp. Van der Hammen 1956
Psilatricolpites
  -
Psilatricolpites "simplex"
Psilatricolpites "simplex" Jaramillo and Dilcher 2001
Brenneripollis
  -
Brenneripollis "columellatus chiquis", Brenneripollis "columellatus grandis", Brenneripollis "echinoafropollinicus", Brenneripollis sp.
Brenneripollis "columellatus chiquis" Juhász and Goczan 1985
Brenneripollis "columellatus grandis" Juhász and Goczan 1985
Brenneripollis "echinoafropollinicus" Juhász and Goczan 1985
Brenneripollis sp. Juhász and Goczan 1985
Phimopollenites
  -
Phimopollenites cf. pseudocheros, Phimopollenites cf. pannosus
Asteropollis
  -
Asteropollis "asteripolliformis"
Asteropollis "asteripolliformis" Hedlund and Norris 1968
Schrankipollis
  -
Schrankipollis microreticulatus
Schrankipollis mawhoubensis
  -
Schrankipollis cf. mawhoubensis
Retipollenites
  -
Retipollenites "afropollinicus", Retipollenites "finitus", Retipollenites "fossulatusmejiatus", Retipollenites "gigantoechinus", Retipollenites "grandis", Retipollenites spp.
Retipollenites "afropollinicus" González-Guzmán 1967
Retipollenites "finitus" González-Guzmán 1967
Retipollenites "fossulatusmejiatus" González-Guzmán 1967
Retipollenites "gigantoechinus" González-Guzmán 1967
Retipollenites "grandis" González-Guzmán 1967
Retipollenites spp. González-Guzmán 1967
Psilamonocolpites
  -
Psilamonocolpites sp.
Psilamonocolpites sp. Van der Hammen and Garcia de Mutis 1966
Scabratriletes
  -
Scabratriletes spp.
Scabratriletes spp. Van der Hammen
Lycopodiopsida
 Lycopodiales -
Retitriletes spp.
Retitriletes spp. Pierce 1961 clubmoss
Magnoliopsida
  -
Psilatricolporites "innovatus", Rousea cf. miculipollis, Rousea cf. georgensis, Retitricolporites "dissimulatus"
Rousea cf. miculipollis Srivastava 1975
Rousea cf. georgensis Dettmann 1973
Retitricolporites "dissimulatus" Van der Hammen and Wymstra 1964
Pinopsida
 Pinales - Pinaceae
Pinuspollenites cf. minimus
 Coniferales - Podocarpaceae
Callialasporites dampieri, Callialasporites trilobatus
Callialasporites dampieri Balme 1957 podocarp
Callialasporites trilobatus Balme 1957 podocarp
Angiospermae
 Chloranthales - Chloranthaceae
Clavatipollenites hughesii
 Gunnerales -
Tricolpites "amplocolpatus"
  -
Retimonocolpites "acrocollumelatus", Retimonocolpites "amplocolpatus", Retimonocolpites "chatocollumelatus", Retimonocolpites "ellipticus", Retimonocolpites "monocolpatus", Retimonocolpites spp.
Retimonocolpites spp. Pierce 1961
 Alismatales -
Pennipollis reticulatus
Pennipollis reticulatus Friis et al. 2010
  -
Stellatopollis "clavatipollinicus", Stellatopollis doylei, Afropollis "amploreticulatus", Afropollis spp., Afropollis jardinus
Stellatopollis doylei Ibrahim 2002
Afropollis "amploreticulatus" Doyle et al. 1982
Afropollis spp. Doyle et al. 1982
Afropollis jardinus Doyle et al. 1982
Striatriletes
  -
Striatriletes sp.
Striatriletes sp. Potonié 1956
Verrumonoletes
  -
Verrumonoletes "olivicus"
Verrumonoletes "olivicus" Van der Hammen 1956
Retimonoletes
  -
Retimonoletes "leguminosus"
Concavissimisporites
  -
Concavissimisporites "irregularis", Concavissimisporites ("irregularis") kyrtomatus, Concavissimisporites variverrucatus, Concavissimisporites punctatus
Concavissimisporites "irregularis" Delcourt and Sprumont 1955
Cycadopsida
 Cycadales -
Eucommiidites "minutus", Eucommiidites "psilatus"
Eucommiidites "minutus" Erdtman 1948 cycads
Eucommiidites "psilatus" Erdtman 1948 cycads
 Gnetales -
Steevesipollenites cupuliformis
Steevesipollenites cupuliformis Azema and Boltenhagen 1974 cycads
Cycadopites
  -
Cycadopites "amplus"
Cycadopites "amplus" Wodehouse 1933
Ginkgoopsida
 Ephedrales -
Ephedripites sp., Ephedripites multicostatus, Ephedripites barghoornii, Equisetosporites "medius", Equisetosporites "polaris", Equisetosporites irregularis, Equisetosporites fragilis, Equisetosporites cf. leptomatus, Equisetosporites cf. albertensis
Ephedripites sp. Bolkhovitina and Potonié 1958
Equisetosporites "medius" Daugherty 1941
Perotriletes
  -
Perotriletes "zlivisporinicus"
Gabonisporites
  -
Gabonisporites "densobaculatus", Gabonisporites "gruesobaculatus", Gabonisporites vigourouxi
Chomotriletes
  -
Chomotriletes spp., Chomotriletes almegrensis
Chomotriletes spp. Naumova 1953