Where: Huila, Colombia (2.6° N, 75.5° W: paleocoordinates 1.0° S, 45.3° W)
• coordinate stated in text
When: Ocal Formation, Aptian to Aptian (125.0 - 100.5 Ma)
Environment/lithology: interdistributary bay; lithified shale and lithified, gray sandstone
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 139381: authorized by Carlos Jaramillo, entered by Gabriela Doria on 11.02.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Striatriletes | |
Striatriletes sp. PotoniƩ 1956 | |
Callialasporites dampieri Balme 1957 podocarp | |
Echitriletes | |
Echitriletes "minutus" der Hammen
Echitriletes spp. der Hammen | |
Psilatriletes | |
Psilatriletes "betweentwentyfiveandfifty" PotoniƩ 1956 | |
Polypodiopsida | |
Leptolepidites "sutilis" Couper 1953 | |
Cicatricosisporites "pseudodorogensis" Potonie and Gelletich 1933 | |
Chomotriletes | |
Chomotriletes almegrensis Pocock 1962 |