Where: Sergipe, Brazil (10.7° S, 37.0° W: paleocoordinates 12.4° S, 5.5° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Riachuelo Formation, Late/Upper Aptian to Late/Upper Aptian (122.5 - 109.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: lagoonal; lithified, calcareous claystone
Size class: microfossils
Preservation: soft parts
Primary reference: M. Araujo Carvalho. 2001. Paleoenvironmental reconstruction based on palynological and palynofacies analyses of the Aptian-Albian succession in the Sergipe Basin, northeastern Brazil. [C. Jaramillo/P. Santamarina]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 169702: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 01.06.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
| Ginkgoopsida | |
|
Equisetosporites "sp." Daugherty 1941 | |
| Equisetopsida | |
|
Classopollis classoides Pflug 1953
Araucariacites australis Cookson 1947 | |
| Gnetaceaepollenites | |
|
Gnetaceaepollenites "sp." Thiergart 1938 | |
| Dinophyceae | |
|
Subtilisphaera senegalensis Jain and Millepied 1971 | |
|
Spiniferites chebca Lentin and Williams 1993 | |
|
Cyclonephelium "sp." Deflandre and Cookson 1955 | |