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
Muderongia Muderongia mcwhaei Late Valanginian Hauterivian
Muderongia Muderongia staurota Late Valanginian Hauterivian
Muderongia Muderongia tabulata Late Valanginian Hauterivian
Muderongia Muderongia tomaszowensis Late Valanginian Hauterivian
Oligosphaeridium Oligosphaeridium complex Late Valanginian Hauterivian
Oligosphaeridium Oligosphaeridium pulcherrimum Late Valanginian Hauterivian
Prolixosphaeridium Prolixosphaeridium sp Late Valanginian Hauterivian
Spiniferites Spiniferites multibrevis Late Valanginian Hauterivian
Systematophora Systematophora rosenfeldii Late Valanginian Hauterivian