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 shale
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 169773: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 01.06.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
| Dinophyceae | |
|
Spiniferites "sp." Mantell 1850
Spiniferites chebca Lentin and Williams 1993
Exochosphaeridium "sp." Davey 1966
Trichodinium castanea Clarke and Verdier 1967 | |
|
Subtilisphaera senegalensis Jain and Millepied 1971 | |
|
Tanyosphaeridium "sp." Davey and Williams 1966 | |
| Equisetopsida | |
|
Classopollis classoides Pflug 1953
Araucariacites australis Cookson 1947 | |
|
Callialasporites segmentatus Balme 1961 podocarp | |
| Uesuguipollenites callosus | |
|
Uesuguipollenites callosus Dino 1994 | |
|
Bennettitaepollenites regaliae Dino 1994 | |
| Angiospermae | |
|
Afropollis "sp." Doyle et al. 1982 | |
| Ginkgoopsida | |
|
Equisetosporites "sp." Daugherty 1941 | |
| Cycadopites | |
|
Cycadopites "sp." Wodehouse 1933 | |
| Polypodiopsida | |
|
Verrucosisporites "sp." Potonie and Kremp 1954 | |
|
Cicatricosisporites "sp." Potonie and Gelletich 1933 | |
|
Leptolepidites psarosus Norris 1969 | |
| Pteridopsida | |
|
Cyathidites "sp." Couper 1953 | |
| Lycopodiopsida | |
|
Perotrilites "sp." Couper 1953 spikemoss | |
| Gnetaceaepollenites | |
|
Gnetaceaepollenites "sp." Thiergart 1938 | |