Where: Sergipe, Brazil (10.7° S, 37.0° W)
• Paleocoordinates: 8.4° S, 4.7° E (Wright 2013)
• 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 169719: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 01.06.2015
Creative Commons license: CC0 (CC0)
Taxonomic list
| Dinophyceae | |
|
Cyclonephelium "sp." Deflandre and Cookson 1955 | |
|
Spiniferites "sp." Mantell 1850
Spiniferites chebca Lentin and Williams 1993 | |
|
Trichodinium castanea Clarke and Verdier 1967 | |
|
Subtilisphaera senegalensis Jain and Millepied 1971 | |
| Cycadopsida | |
|
Steevesipollenites "sp." Stover 1964 cycads | |
| Polypodiopsida | |
|
Verrucosisporites "sp." Potonie and Kremp 1954 | |
|
Crybelosporites pannuceus Srivastava 1977 | |
| Equisetopsida | |
|
Classopollis classoides Pflug 1953
Araucariacites australis Cookson 1947 | |
| Angiospermae | |
|
Afropollis "sp." Doyle et al. 1982
Afropollis operculatus Doyle et al. 1982 | |
| Lycopodiopsida | |
|
Perotrilites "sp." Couper 1953 spikemoss | |
| Gnetaceaepollenites | |
|
Gnetaceaepollenites "sp." Thiergart 1938 | |
|
Sergipea simplex Regali 1987 | |