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 169786: 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 | |
Lycopodiopsida | |
Retitriletes "sp. 3" Pierce 1961 clubmoss | |
Gnetaceaepollenites | |
Gnetaceaepollenites "sp." Thiergart 1938 | |
Polypodiopsida | |
Klukisporites pseudoreticulatus Couper 1958
Cicatricosisporites "sp." Potonie and Gelletich 1933 | |
Leptolepidites psarosus Norris 1969 | |
Pteridopsida | |
Cyathidites "sp." Couper 1953
Matonisporites silvai Lima 1979 | |
Equisetopsida | |
Classopollis classoides Pflug 1953
Araucariacites australis Cookson 1947 | |
Sergipea variverrucata Regali et al. 1974 | |
Dinophyceae | |
Circulodinium "sp." Alberti 1961 | |
Spiniferites "sp." Mantell 1850
Spiniferites chebca Lentin and Williams 1993
Trichodinium castanea Clarke and Verdier 1967 |