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La Irene, Lago Argentino Department, Santa Cruz Province, Argentina

Formation	La Irene
Age:	72.1 - 66.0 Ma Late/Upper Cretaceous
Interval	Maastrichtian
Lithology	sandstone/"shale"
Number of Collections	1
Number of Occurrences	42

Recorded Sample Locations

Location	Region	Stratigraphic Name
Arroyo Calafate	Lago Argentino Department, Santa Cruz Province, Argentina	La Irene

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Arecipites sp. genus	6	Plantae : Tracheophyta : Liliopsida : Arecales : *Arecipites*	72.1 - 66 Ma Late/Upper Cretaceous
Arecipites minutiscabratus species	7	Plantae : Tracheophyta : Liliopsida : Arecales : Arecipites : *Arecipites minutiscabratus*	72.1 - 66 Ma Late/Upper Cretaceous
Longapertites sp. genus	6	Plantae : Tracheophyta : Liliopsida : Arecales : *Longapertites*	72.1 - 66 Ma Late/Upper Cretaceous
Spinizonocolpites hialinus species	7	Plantae : Tracheophyta : Liliopsida : Arecales : Spinizonocolpites : *Spinizonocolpites hialinus*	72.1 - 66 Ma Late/Upper Cretaceous
Liliacidites sp. genus	6	Plantae : Tracheophyta : Liliopsida : Liliales : *Liliacidites*	72.1 - 66 Ma Late/Upper Cretaceous
Liliacidites variegatus species	7	Plantae : Tracheophyta : Liliopsida : Liliales : Liliacidites : *Liliacidites variegatus*	72.1 - 66 Ma Late/Upper Cretaceous
Cleistosphaeridium sp. genus	6	Chromista : Myzozoa : Dinophyceae : Gonyaulacales : *Cleistosphaeridium*	72.1 - 66 Ma Late/Upper Cretaceous
Gamerroites psilasaccus species	7	Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Gamerroites : *Gamerroites psilasaccus*	72.1 - 66 Ma Late/Upper Cretaceous
Microcachryidites antarcticus species	7	Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Microcachryidites : *Microcachryidites antarcticus*	72.1 - 66 Ma Late/Upper Cretaceous
Phyllocladidites mawsonii species	7	Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Phyllocladidites : *Phyllocladidites mawsonii*	72.1 - 66 Ma Late/Upper Cretaceous
Podocarpidites elegans species	7	Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Podocarpidites : *Podocarpidites elegans*	72.1 - 66 Ma Late/Upper Cretaceous
Podocarpidites ellipticus species	7	Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Podocarpidites : *Podocarpidites ellipticus*	72.1 - 66 Ma Late/Upper Cretaceous
Trisaccites microsaccatum species	7	Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Trisaccites : *Trisaccites microsaccatum*	72.1 - 66 Ma Late/Upper Cretaceous
Clavatipollenites sp. genus	6	Plantae : Tracheophyta : Magnoliopsida : Chloranthales : Chloranthaceae : *Clavatipollenites*	72.1 - 66 Ma Late/Upper Cretaceous
Ericipites scabratus species	7	Plantae : Tracheophyta : Magnoliopsida : Ericipites : *Ericipites scabratus*	72.1 - 66 Ma Late/Upper Cretaceous
Psilatricolporites sp. genus	6	Plantae : Tracheophyta : Magnoliopsida : *Psilatricolporites*	72.1 - 66 Ma Late/Upper Cretaceous
Rhoipites sp. genus	6	Plantae : Tracheophyta : Magnoliopsida : *Rhoipites*	72.1 - 66 Ma Late/Upper Cretaceous
Rhoipites minusculus species	7	Plantae : Tracheophyta : Magnoliopsida : Rhoipites : *Rhoipites minusculus*	72.1 - 66 Ma Late/Upper Cretaceous
Rousea patagonica species	7	Plantae : Tracheophyta : Magnoliopsida : Rousea : *Rousea patagonica*	72.1 - 66 Ma Late/Upper Cretaceous
Senipites sp. genus	6	Plantae : Tracheophyta : Magnoliopsida : *Senipites*	72.1 - 66 Ma Late/Upper Cretaceous
Peninsulapollis gillii species	7	Plantae : Tracheophyta : Magnoliopsida : Proteales : Peninsulapollis : *Peninsulapollis gillii*	72.1 - 66 Ma Late/Upper Cretaceous
Proteacidites sp. genus	6	Plantae : Tracheophyta : Magnoliopsida : Proteales : *Proteacidites*	72.1 - 66 Ma Late/Upper Cretaceous
Retidiporites camachoii species	7	Plantae : Spermatophyta : Magnoliopsida : Proteales : Retidiporites : *Retidiporites camachoii*	72.1 - 66 Ma Late/Upper Cretaceous
Stereisporites antiquasporites species	7	Plantae : Bryophyta : Bryopsida : Stereisporites : *Stereisporites antiquasporites*	72.1 - 66 Ma Late/Upper Cretaceous
Rouseisporites reticulatus species	7	Plantae : Bryophyta : Rouseisporites : *Rouseisporites reticulatus*	72.1 - 66 Ma Late/Upper Cretaceous
Equisetosporites sp. genus	6	Plantae : Cycadophyta : Cycadopsida : Gnetales : *Equisetosporites*	72.1 - 66 Ma Late/Upper Cretaceous
Cycadopites nitidus species	7	Plantae : Tracheophyta : Cycadopites : *Cycadopites nitidus*	72.1 - 66 Ma Late/Upper Cretaceous
Nyssapollenites squamosus species	7	Plantae : Magnoliophyta : Nyssapollenites : *Nyssapollenites squamosus*	72.1 - 66 Ma Late/Upper Cretaceous
Retitriletes austroclavatidites species	7	Plantae : Tracheophyta : Lycopodiopsida : Lycopodiales : Lycopodiaceae : Retitriletes : *Retitriletes austroclavatidites*	72.1 - 66 Ma Late/Upper Cretaceous
Ceratosporites equalis species	7	Plantae : Tracheophyta : Lycopodiopsida : Selaginellales : Selaginellaceae : Ceratosporites : *Ceratosporites equalis*	72.1 - 66 Ma Late/Upper Cretaceous
Perotrilites majus species	7	Plantae : Tracheophyta : Lycopodiopsida : Selaginellales : Selaginellaceae : Perotrilites : *Perotrilites majus*	72.1 - 66 Ma Late/Upper Cretaceous
Verrucosisporites sp. genus	6	Plantae : *Verrucosisporites*	72.1 - 66 Ma Late/Upper Cretaceous
Gleicheniidites senonicus species	7	Plantae : Tracheophyta : Polypodiopsida : Gleicheniales : Gleicheniaceae : Gleicheniidites : *Gleicheniidites senonicus*	72.1 - 66 Ma Late/Upper Cretaceous
Baculatisporites sp. genus	6	Plantae : Pteridophyta : Pteridopsida : *Baculatisporites*	72.1 - 66 Ma Late/Upper Cretaceous
Baculatisporites comaumensis species	7	Plantae : Pteridophyta : Pteridopsida : Baculatisporites : *Baculatisporites comaumensis*	72.1 - 66 Ma Late/Upper Cretaceous
Cyathidites sp. genus	6	Plantae : Tracheophyta : *Cyathidites*	72.1 - 66 Ma Late/Upper Cretaceous
Cyathidites minor species	7	Plantae : Tracheophyta : Cyathidites : *Cyathidites minor*	72.1 - 66 Ma Late/Upper Cretaceous
Granulatisporites sp. genus	6	Plantae : Tracheophyta : *Granulatisporites*	72.1 - 66 Ma Late/Upper Cretaceous
Ischyosporites volkheimeri species	7	Plantae : Pteridophyta : Pteridopsida : Ischyosporites : *Ischyosporites volkheimeri*	72.1 - 66 Ma Late/Upper Cretaceous
Laevigatosporites ovatus species	7	Plantae : Tracheophyta : Laevigatosporites : *Laevigatosporites ovatus*	72.1 - 66 Ma Late/Upper Cretaceous
Matonisporites sp. genus	6	Plantae : Pteridophyta : Pteridopsida : *Matonisporites*	72.1 - 66 Ma Late/Upper Cretaceous
Cicatricosisporites australiensis species	7	Plantae : Tracheophyta : Polypodiopsida : Schizaeales : Schizaeaceae : Cicatricosisporites : *Cicatricosisporites australiensis*	72.1 - 66 Ma Late/Upper Cretaceous

References

Povilauskas L., Barreda V., et al (2008) Polen y esporas de la Formación La Irene (Maastrichtiano), sudoeste de la provincia de Santa Cruz, Argentina: primeros resultados, Geobios 41, 819-831 doi:10.1016/j.geobios.2008.07.002

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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