Aguirre-Urreta,M.B.

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	From	To
Cyclonephelium	Cyclonephelium brevispinatum	Late Valanginian	Hauterivian
Cyclusphaera	Cyclusphaera psilata	Late Valanginian	Hauterivian
Cymatiosphaera	Cymatiosphaera sp	Late Valanginian	Hauterivian
Deltoidospora	Deltoidospora minor	Late Valanginian	Hauterivian
Epitricysta	Epitricysta sp	Late Valanginian	Hauterivian
Foraminisporis	Foraminisporis sp	Late Valanginian	Hauterivian
Gleicheniidites	Gleicheniidites circinidites	Late Valanginian	Hauterivian
Interulobites	Interulobites sp	Late Valanginian	Hauterivian
Klukisporites	Klukisporites sp	Late Valanginian	Hauterivian
Lycopodiumsporites	Lycopodiumsporites austroclavatidites	Late Valanginian	Hauterivian
Matonisporites	Matonisporites sp	Late Valanginian	Hauterivian
Muderongia	Muderongia crucis	Late Valanginian	Hauterivian
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