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Baqueró, Santa Cruz Province, Argentina

GroupBaqueró
Formation(s)Anfiteatro de Ticó
Bajo del Tigre
Bajo Tigre
Punta del Barco
Age:125 - 113 Ma
Early/Lower Cretaceous
IntervalAptian
Lithologytuff
Number of Collections1
Number of Occurrences1

Recorded Sample Locations

LocationRegionStratigraphic Name
Bajo GrandeRío Chico Department, Santa Cruz Province, ArgentinaBaqueró - Anfiteatro de Ticó
Punta del Barco NorteDeseado Department, Santa Cruz Province, ArgentinaBaqueró - Punta del Barco
Anfiteatro de TicóMagallanes Department, Santa Cruz Province, ArgentinaBaqueró - Anfiteatro de Ticó
Bajo del TigreMagallanes Department, Santa Cruz Province, ArgentinaBaqueró - Bajo del Tigre
Punta del Barco Sur- Meseta BaqueróMagallanes Department, Santa Cruz Province, ArgentinaBaqueró - Punta del Barco
Punta del Barco - Meseta BaqueróMagallanes Department, Santa Cruz Province, ArgentinaBaqueró - Punta del Barco
Estancia El Verano - Meseta BaqueróMagallanes Department, Santa Cruz Province, ArgentinaBaqueró - Punta del Barco
Cerro CentinelaMagallanes Department, Santa Cruz Province, ArgentinaBaqueró - Bajo Tigre
El VeranoMagallanes Department, Santa Cruz Province, ArgentinaBaquero - Punta del Barco
Estancia La MagdalenaDeseado Department, Santa Cruz Province, ArgentinaBaqueró - Anfiteatro de Ticó
Baqueró - Bajo del TigreMagallanes Department, Santa Cruz Province, ArgentinaBaqueró

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Baqueró - Anfiteatro de Ticó125 - 113 Ma
Early/Lower Cretaceous
shale/mudstone, sandstone/mudstone, conglomerate/sandstone, siltstone/sandstone27
Baqueró - Bajo del Tigre125 - 113 Ma
Early/Lower Cretaceous
mudstone5
Baqueró - Bajo Tigre125 - 113 Ma
Early/Lower Cretaceous
tuff3
Baqueró - Punta del Barco113 - 101 Ma
Early/Lower Cretaceous
conglomerate/sandstone, claystone/sandstone, sandstone/siltstone, tuff55

Recorded Fossils

Accepted NameHierarchyAge
Nymphaeaphyll
informal
98Nymphaeaphyll125 - 113 Ma
Early/Lower Cretaceous
Retimonocolpites sp.
genus
6Plantae : Retimonocolpites125 - 113 Ma
Early/Lower Cretaceous
Ricciopsis grandensis
species
7Marchantiales : Ricciopsis : Ricciopsis grandensis125 - 113 Ma
Early/Lower Cretaceous
Anacostia sp.
genus
6Anacostia125 - 113 Ma
Early/Lower Cretaceous
Reticulosporis sp.
genus
6Reticulosporis125 - 113 Ma
Early/Lower Cretaceous
Spiropteris sp.
genus
6Spiropteris125 - 113 Ma
Early/Lower Cretaceous
Squamastrobus tigrensis
species
7Squamastrobus : Squamastrobus tigrensis125 - 113 Ma
Early/Lower Cretaceous
Ticoa lanceolata
species
7Ticoa : Ticoa lanceolata125 - 113 Ma
Early/Lower Cretaceous
Sphenopteris sp.
genus
6Plantae : Tracheophyta : Lyginopteridaceae : Sphenopteris125 - 113 Ma
Early/Lower Cretaceous
Agathoxylon sp.
genus
6Plantae : Tracheophyta : Pinopsida : Pinales : Araucariaceae : Agathoxylon125 - 113 Ma
Early/Lower Cretaceous
Alkastrobus peltatus
species
7Plantae : Tracheophyta : Pinopsida : Pinales : Araucariaceae : Alkastrobus : Alkastrobus peltatus125 - 113 Ma
Early/Lower Cretaceous
Araucaria grandifolia
species
7Plantae : Tracheophyta : Pinopsida : Pinales : Araucariaceae : Araucaria : Araucaria grandifolia125 - 113 Ma
Early/Lower Cretaceous
Brachyoxylon sp.
genus
6Plantae : Pinophyta : Pinopsida : Pinales : Cheirolepidiaceae : Brachyoxylon125 - 113 Ma
Early/Lower Cretaceous
Clavatipollenites sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Chloranthales : Chloranthaceae : Clavatipollenites125 - 113 Ma
Early/Lower Cretaceous
Blattulopsis popovi
species
7Animalia : Arthropoda : Insecta : Blattodea : Mesoblattinidae : Blattulopsis : Blattulopsis popovi125 - 113 Ma
Early/Lower Cretaceous
Argentinopetala archangelskyi
species
7Animalia : Arthropoda : Insecta : Odonata : Petaluridae : Argentinopetala : Argentinopetala archangelskyi125 - 113 Ma
Early/Lower Cretaceous
Foraminisporis sp.
genus
6Plantae : Bryophyta : Foraminisporis125 - 113 Ma
Early/Lower Cretaceous
Foraminisporis dailyi
species
7Plantae : Bryophyta : Foraminisporis : Foraminisporis dailyi125 - 113 Ma
Early/Lower Cretaceous
Staplinisporites caminus
species
7Plantae : Bryophyta : Staplinisporites : Staplinisporites caminus125 - 113 Ma
Early/Lower Cretaceous
Androstrobus munku
species
7Plantae : Cycadophyta : Cycadopsida : Cycadales : Beaniaceae : Androstrobus : Androstrobus munku125 - 113 Ma
Early/Lower Cretaceous
Androstrobus patagonicus
species
7Plantae : Cycadophyta : Cycadopsida : Cycadales : Beaniaceae : Androstrobus : Androstrobus patagonicus125 - 113 Ma
Early/Lower Cretaceous
Androstrobus rayen
species
7Plantae : Cycadophyta : Cycadopsida : Cycadales : Beaniaceae : Androstrobus : Androstrobus rayen125 - 113 Ma
Early/Lower Cretaceous
Mesosingeria oblonga
species
7Plantae : Tracheophyta : Cycadopsida : Cycadales : Mesosingeria : Mesosingeria oblonga125 - 113 Ma
Early/Lower Cretaceous
Restrepophyllum chiguoides
species
7Plantae : Tracheophyta : Cycadopsida : Cycadales : Zamiaceae : Restrepophyllum : Restrepophyllum chiguoides125 - 113 Ma
Early/Lower Cretaceous
Equisetites pusillus
species
7Plantae : Tracheophyta : Polypodiopsida : Equisetales : Equisetaceae : Equisetites : Equisetites pusillus125 - 113 Ma
Early/Lower Cretaceous
Ephedra sp.
genus
6Plantae : Tracheophyta : Gnetopsida : Ephedrales : Ephedraceae : Ephedra125 - 113 Ma
Early/Lower Cretaceous
Retitriletes sp.
genus
6Plantae : Tracheophyta : Lycopodiopsida : Lycopodiales : Lycopodiaceae : Retitriletes125 - 113 Ma
Early/Lower Cretaceous
Retitriletes douglasii
species
7Plantae : Tracheophyta : Lycopodiopsida : Lycopodiales : Lycopodiaceae : Retitriletes : Retitriletes douglasii125 - 113 Ma
Early/Lower Cretaceous
Ceratosporites sp.
genus
6Plantae : Tracheophyta : Lycopodiopsida : Selaginellales : Selaginellaceae : Ceratosporites125 - 113 Ma
Early/Lower Cretaceous
Densoisporites corrugatus
species
7Plantae : Tracheophyta : Lycopodiopsida : Selaginellales : Selaginellaceae : Densoisporites : Densoisporites corrugatus125 - 113 Ma
Early/Lower Cretaceous
Densoisporites velatus
species
7Plantae : Tracheophyta : Lycopodiopsida : Selaginellales : Selaginellaceae : Densoisporites : Densoisporites velatus125 - 113 Ma
Early/Lower Cretaceous
Hausmannia papilio
species
7Plantae : Tracheophyta : Polypodiopsida : Gleicheniales : Dipteridaceae : Hausmannia : Hausmannia papilio125 - 113 Ma
Early/Lower Cretaceous
Clavifera triplex
species
7Plantae : Tracheophyta : Polypodiopsida : Gleicheniales : Gleicheniaceae : Clavifera : Clavifera triplex125 - 113 Ma
Early/Lower Cretaceous
Gleicheniaceae
family
5Plantae : Tracheophyta : Polypodiopsida : Gleicheniales : Gleicheniaceae125 - 113 Ma
Early/Lower Cretaceous
Gleicheniidites sp.
genus
6Plantae : Tracheophyta : Polypodiopsida : Gleicheniales : Gleicheniaceae : Gleicheniidites125 - 113 Ma
Early/Lower Cretaceous
Gleicheniidites aptianus
species
7Plantae : Tracheophyta : Polypodiopsida : Gleicheniales : Gleicheniaceae : Gleicheniidites : Gleicheniidites aptianus125 - 113 Ma
Early/Lower Cretaceous
Gleicheniidites rigidus
species
7Plantae : Tracheophyta : Polypodiopsida : Gleicheniales : Gleicheniaceae : Gleicheniidites : Gleicheniidites rigidus125 - 113 Ma
Early/Lower Cretaceous
Gleicheniidites senonicus
species
7Plantae : Tracheophyta : Polypodiopsida : Gleicheniales : Gleicheniaceae : Gleicheniidites : Gleicheniidites senonicus125 - 113 Ma
Early/Lower Cretaceous
Ornamentifera sp.
genus
6Plantae : Tracheophyta : Polypodiopsida : Gleicheniales : Gleicheniaceae : Ornamentifera125 - 113 Ma
Early/Lower Cretaceous
Capsispora vulcanica
species
7Plantae : Pteridophyta : Pteridopsida : Capsispora : Capsispora vulcanica125 - 113 Ma
Early/Lower Cretaceous
Concavissimisporites sp.
genus
6Plantae : Pteridophyta : Pteridopsida : Concavissimisporites125 - 113 Ma
Early/Lower Cretaceous
Concavissimisporites penolaensis
species
7Plantae : Pteridophyta : Pteridopsida : Concavissimisporites : Concavissimisporites penolaensis125 - 113 Ma
Early/Lower Cretaceous
Cyathidites minor
species
7Plantae : Tracheophyta : Cyathidites : Cyathidites minor125 - 113 Ma
Early/Lower Cretaceous
Deltoidospora sp.
genus
6Plantae : Tracheophyta : Deltoidospora125 - 113 Ma
Early/Lower Cretaceous
Laevigatosporites sp.
genus
6Plantae : Tracheophyta : Laevigatosporites125 - 113 Ma
Early/Lower Cretaceous
Laevigatosporites ovatus
species
7Plantae : Tracheophyta : Laevigatosporites : Laevigatosporites ovatus125 - 113 Ma
Early/Lower Cretaceous
Lygodiidites sp.
genus
6Plantae : Pteridophyta : Pteridopsida : Lygodiidites125 - 113 Ma
Early/Lower Cretaceous
Todisporites sp.
genus
6Plantae : Pteridophyta : Pteridopsida : Todisporites125 - 113 Ma
Early/Lower Cretaceous
Gleichenites sp.
genus
6Plantae : Pteridophyta : Pteridopsida : Polypodiales : Gleichenites125 - 113 Ma
Early/Lower Cretaceous
Gleichenites sanmartini
species
7Plantae : Pteridophyta : Pteridopsida : Polypodiales : Gleichenites : Gleichenites sanmartini125 - 113 Ma
Early/Lower Cretaceous
Adiantopteris tripinnata
species
7Plantae : Tracheophyta : Polypodiopsida : Polypodiales : Pteridaceae : Adiantopteris : Adiantopteris tripinnata125 - 113 Ma
Early/Lower Cretaceous
Contignisporites burgerii
species
7Plantae : Tracheophyta : Polypodiopsida : Polypodiales : Pteridaceae : Contignisporites : Contignisporites burgerii125 - 113 Ma
Early/Lower Cretaceous
Contignisporites cooksoniae
species
7Plantae : Tracheophyta : Polypodiopsida : Polypodiales : Pteridaceae : Contignisporites : Contignisporites cooksoniae125 - 113 Ma
Early/Lower Cretaceous
Contignisporites glebulentus
species
7Plantae : Tracheophyta : Polypodiopsida : Polypodiales : Pteridaceae : Contignisporites : Contignisporites glebulentus125 - 113 Ma
Early/Lower Cretaceous
Biretisporites sp.
genus
6Plantae : Tracheophyta : Polypodiopsida : Schizaeales : Schizaeaceae : Biretisporites125 - 113 Ma
Early/Lower Cretaceous
Biretisporites potoniaei
species
7Plantae : Tracheophyta : Polypodiopsida : Schizaeales : Schizaeaceae : Biretisporites : Biretisporites potoniaei125 - 113 Ma
Early/Lower Cretaceous
Schizaeaceae
family
5Plantae : Tracheophyta : Polypodiopsida : Schizaeales : Schizaeaceae125 - 113 Ma
Early/Lower Cretaceous

References

Archangelsky S. (1967) Notas sobre la flora fosil de la zona de Tico Provincia de Santa Cruz. 8. Seis especies del género Sphenopteris, Ameghiniana 5 4, 149-157
Archangelsky S., del Fueyo G. (1989) Squamastrobus gen. n., a fertile podocarp from the early Cretaceous of Patagonia, Argentina, Review of Palaeobotany and Palynology 59, 109-126
Pinto I. D. (1990) A new Lower Cretaceous Blattoid Insect from Argentina, Pesquisas 17 1-2, 11-14
Del Fueyo G. M., Archangelsky A. (2002) Araucaria grandifolia Feruglio from the Lower Cretaceous of Patagonia, Argentina, Cretaceous Research 23, 265-277 doi:10.1006/cres.2002.1001
Petrulevicius J. F., Nel A. (2003) Oldest Petalurid dragonfly (Insecta: Odonata): a Lower Cretaceous specimen from south Patagonia, Argentina, Cretaceous Research 24, 31-34
Passalia M., Archangelsky S., et al (2003) A new early angiosperm leaf from the Anfiteatro de Ticó Formation (Aptian), Santa Cruz Province, Argentina , Revista del Museo Argentino de Ciencias Naturales 5 2, 245-252
Archangelsky S., Villar de Seoane L. (2004) Cycadean diversity in the Cretaceous of Patagonia, Argentina. Three new Androstrobus species from the Baqueró Group, Review of Palaeobotany and Palynology 131, 1-28 doi:10.1016/j.revpalbo.2004.01.008
Del Fueyo G. M., Archangelsky S. (2005) A new araucarian pollen cone with in situ Cyclusphaera Elsik from the Aptian of Patagonia, Argentina, Cretaceous Research 26, 757-768 doi:10.1016/j.cretres.2005.04.005
Villar de Seoane L. (2005) Equisetites pusillus sp. nov. from the Aptian of Patagonia, Argentina, Revista del Museo Argentino de Ciencias Naturales, n. s 7 1, 43-49
Villar de Seoane L. (2005) New cycadalean leaves from the Anfiteatro de Ticó Formation, Early Aptian, Patagonia, Argentina, Cretaceous Research 26, 540-550 doi:10.1016/j.cretres.2005.02.004
Cladera G., del Fueyo G. M., et al (2007) Early Cretaceous riparian vegetation in Patagonia, Argentina, Revista del Museo Argentino de Ciencias Naturales 9 1, 49-58
Llorens M. (2008) Estudio palinológico de la Formación Punta del Barco, Cretácico Inferior (Aptiano) de la provincia de Santa Cruz, Argentina: Descripciones sistemáticas II: esporas triletes apiculadas, murornadas, tricrasadas y perinadas. Implicancias paleoecológicas, Ameghiniana 45 2, 273-288
Llorens M. (2008) Estudio palinológico de la Formación Punta del Barco, Cretácico Inferior (Aptiano) de la provincia de Santa Cruz, Argentina. Descripciones sistemáticas I: esporas monoletes y triletes lisas y cinguladas, Ameghiniana 45 1, 153-166
Passalia M. G., Del Fueyo G., et al (2010) An Early Cretaceous zamiaceous cycad of South West Gondwana: Restrepophyllum nov. gen. from Patagonia, Argentina, Review of Palaeobotany and Palynology 161, 137-150 doi:10.1016/j.revpalbo.2010.04.001
Vera E. I. (2010) Estudios anatómicos en paleofloras del Aptiano de Antártida y Patagonia, y su comparación, Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales, 294
Archangelsky S., Archangelsky A. (2013) Aptian angiosperm pollen from the Ticó Flora Patagonia, Argentina 174 3, 559-571 doi:10.1086/668693
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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