Author:
Aguirre-Urreta,M.B.;Concheyro,A.;Lorenzo,M.;Ottone,E.G.;Rawson,P.F.
Year:
1999
Title:
Advances in the biostratigraphy of the Agrio Formation (Lower Cretaceous) of the Neuqu©n Basin, Argentina: ammonites, palynomorphs and calcareous nannofossils.
Reference:
Aguirre-Urreta,M.B. et al. (1999) Advances in the biostratigraphy of the Agrio Formation (Lower Cretaceous) of the Neuqu©n Basin, Argentina: ammonites, palynomorphs and calcareous nannofossils. Palaeogeography, Palaeoclimatology, Palaeoecology Vol. 150 # 1 P. 33- 47
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Genus Species Country(Region) From To
Callialasporites Callialasporites trilobatus Late Valanginian Hauterivian
Callialasporites Callialasporites turbatus Late Valanginian Hauterivian
Classopollis Classopollis sp Late Valanginian Hauterivian
Cyclusphaera Cyclusphaera psilata Late Valanginian Hauterivian
Podocarpidites Podocarpidites ellipticus Late Valanginian Hauterivian
Scenedesmus Scenedesmus dimorphus Late Valanginian Hauterivian
Cymatiosphaera Cymatiosphaera sp Late Valanginian Hauterivian
Pterospermella Pterospermella australiensis Late Valanginian Hauterivian
Pterospermella Pterospermella sp Late Valanginian Hauterivian
Circulodinium Circulodinium distinctum Late Valanginian Hauterivian
Cirrusphaera Cirrusphaera sp Late Valanginian Hauterivian
Cleistosphaeridium Cleistosphaeridium sp Late Valanginian Hauterivian
Cribroperidinium Cribroperidinium edwardsii Late Valanginian Hauterivian
Cribroperidinium Cribroperidinium orthoceras Late Valanginian Hauterivian
Cyclonephelium Cyclonephelium brevispinatum Late Valanginian Hauterivian
Epitricysta Epitricysta sp Late Valanginian Hauterivian
Muderongia Muderongia crucis Late Valanginian Hauterivian