Baqueró - Bajo del Tigre: Aptian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Carmarazonosporites microalveolatus
Equisetopsida
Foraminisporis dailyi Dettmann 1963
Lycopodiopsida - Lycopodiales
Retitriletes austroclavatidites Döring et al. 1963
Archangelsky and Villar de Seoane 1998
Retitriletes baqueroense Archangelsky and Villar de Seoane 1998
Archangelsky and Villar de Seoane 1998
Lycopodiopsida - Lycopodiales - Lycopodiaceae
Reticulatisporites ornatus Archangelsky and Villar de Seoane 1998
Archangelsky and Villar de Seoane 1998
Lycopodiopsida - Selaginellales
Densoisporites corrugatus Archangelsky and Gamerro 1965
Archangelsky and Gamerro 1965
Densoisporites velatus Dettmann 1963
Archangelsky and Gamerro 1965
Ceratosporites equalis Cookson and Dettmann 1958
Archangelsky and Villar de Seoane 1994
unclassified
Auritulinasporites informal sp. A Nilsson 1958
Archangelsky and Villar de Seoane 1998
Muricingulisporis informal sp. A Krutzsch 1959
Archangelsky and Villar de Seoane 1998
Muricingulisporis annulatus Archangelsky and Gamerro 1966
Trilobosporites trioreticulosus Cookson and Dettmann 1958
Archangelsky and Gamerro 1966
Trilobosporites purverulentus Dettmann 1963
Archangelsky and Gamerro 1966
Pteridopsida
Polypodiaceoisporites elegans Archangelsky and Gamerro 1966
Leiotriletes regularis Krutzsch 1959
Archangelsky and Villar de Seoane 1994
Deltoidospora minor Pocock 1970
Archangelsky and Villar de Seoane 1994
Osmundacidites diazii
Archangelsky and Villar de Seoane 1994
Cyathidites informal sp. A Couper 1953
Archangelsky and Villar de Seoane 1994
Cyathidites minor Couper 1953
Archangelsky and Villar de Seoane 1994
Polypodiopsida - Gleicheniaceae
Gleicheniidites informal sp. A Dettmann 1963
Archangelsky and Villar de Seoane 1992
Gleicheniidites informal sp. B Dettmann 1963
Archangelsky and Villar de Seoane 1992
Gleicheniidites senonicus Ross 1949
Archangelsky and Villar de Seoane 1992
Ornamentifera informal sp. A Bolkhovitina 1966
Archangelsky and Villar de Seoane 1992
Polypodiopsida - Schizaeales - Schizaeaceae
Cicatricosisporites hughesii Dettmann 1963
Archangelsky and Gamerro 1966
Cicatricosisporites australiensis Potonié 1956
Archangelsky and Gamerro 1966
Cicatricosisporites cf. ethmos Archangelsky and Gamerro 1966
Archangelsky and Gamerro 1966
nov. comb.
Polypodiopsida - Dicksoniaceae
Cibotiidites auriculatus Archangelsky and Villar de Seoane 1998
Archangelsky and Villar de Seoane 1998
Cyatheacidites tectifera Archangelsky and Gamerro 1965
Archangelsky and Gamerro 1965
Polypodiopsida - Osmundaceae
Rugulatisporites informal sp. A Pflug and Thomson 1953
Archangelsky and Villar de Seoane 1994
Rugulatisporites informal sp. B Pflug and Thomson 1953
Archangelsky and Villar de Seoane 1994
Rugulatisporites neuquenensis Volkheimer 1972
Archangelsky and Villar de Seoane 1994
Rotverrusporites labratus Archangelsky and Villar de Seoane 1998
Archangelsky and Villar de Seoane 1998
Polypodiopsida - Blechnaceae
Leptolepidites major Couper 1953
Archangelsky and Villar de Seoane 1994
Polypodiopsida
Biretisporites informal sp. A Delcourt et al. 1963
Archangelsky and Villar de Seoane 1994
Sphenopsida
Calamospora aff. mesozoica Couper 1958
Archangelsky and Villar de Seoane 1994
unclassified
Trilobosporites apiverrucatus Couper 1958
Archangelsky and Gamerro 1966
synonym of Concavissimisporites apiverrucatus
Angiospermae - Buxales
Polypodiidites informal sp. A Potonié 1966
Archangelsky and Villar de Seoane 1998
Polypodiidites informal sp. B Potonié 1966
Archangelsky and Villar de Seoane 1998
Coniferales - Podocarpaceae
Gamerroites volkheimeri Archangelsky 1988
Archangelsky and Villar de Seoane 2005
Podocarpidites informal sp. A Cookson 1947
Archangelsky and Villar de Seoane 2005
Podocarpidites marwickii Couper 1953
Archangelsky and Villar de Seoane 2005
Podocarpidites parviauriculatus Archangelsky and Villar de Seoane 2005
Archangelsky and Villar de Seoane 2005
Archangelsky and Villar de Seoane 2005
Podocarpidites vestitus Archangelsky and Villar de Seoane 2005
Archangelsky and Villar de Seoane 2005
Podocarpidites ellipticus Cookson 1947
Archangelsky and Villar de Seoane 2005
Podocarpidites auriculatus Archangelsky and Villar de Seoane 2005
Archangelsky and Villar de Seoane 2005
unclassified
Taurocusporites segmentatus Stover 1962
Archangelsky and Gamerro 1966
Rouseisporites reticulatus Pocock 1962
Archangelsky and Gamerro 1966
Marchantiopsida - Sphaerocarpales
Aequitriradites baculatus Döring 1964
Archangelsky and Gamerro 1965
Aequitriradites verrucosus (Cookson and Dettmann 1958)
Archangelsky and Gamerro 1965
original and current combination Cirratriradites verrucosus
Aequitriradites spinulosus (Cookson and Dettmann 1958)
Archangelsky and Gamerro 1965
original and current combination Cirratriradites spinulosus
see common names

Geography
Country:Argentina State/province:Santa Cruz
Coordinates: 48.5° South, 69.1° West (view map)
Paleocoordinates:49.4° South, 35.3° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Aptian 10 m.y. bin:Cretaceous 3
Key time interval:Aptian
Age range of interval:125.00000 - 113.00000 m.y. ago
Stratigraphy
Lithology and environment
Primary lithology: lithified sandy sandstone
Lithology description: For complete geology description, please review Cladera et al. (2002)
Environment:fluvial-lacustrine indet.
Taphonomy
Modes of preservation:body,soft parts,original sporopollenin
Size of fossils:microfossils
Temporal resolution:time-averaged
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:bulk,chemical,hydrochloric,hydroflouric,field collection
Reason for describing collection:general faunal/floral analysis
Collection method comments: Repository: Museum of Natural Science of La Plata.
Metadata
Database number:150335
Authorizer:C. Jaramillo Enterer:P. Santamarina
Modifier:P. Santamarina Research group:micropaleontology,paleobotany
Created:2013-09-05 23:54:45 Last modified:2013-09-05 09:23:58
Access level:authorizer only Released:2018-09-05 23:54:45
Creative Commons license:CC BY
Reference information

Primary reference:

48082. S. Archangelsky and J. C. Gamerro. 1966. Estudio palinológico de la Formación Baqueró (Cretácico), provincia de Santa Cruz. II. Ameghiniana 4(6):201-209 [C. Jaramillo/P. Santamarina]

Secondary references:

48026 S. Archangelsky and J. C. Gamerro. 1965. Estudio Palinológico de la Formación Baqueró (Cretácico), Provincia de Santa Cruz I. Ameghiniana 4(5):159-170 [C. Jaramillo/J. Moreno]
48094 S. Archangelsky and J. C. Gamerro. 1966. Estudio palinológico de la Formación Baqueró (Cretácico), Provincia de Santa Cruz. IV. Ameghiniana 4(10):363-372 [C. Jaramillo/P. Santamarina]
48092 S. Archangelsky and J. C. Gamerro. 1966. Estudio palinológico de la Formación Baqueró (Cretácico), Provincia de Santa Cruz. III. Ameghiniana 4(7):229-236 [C. Jaramillo/P. Santamarina]
48097 S. Archangelsky and L. Villar de Seoane. 1992. Estudio palinológico de la Formación Baqueró (Cretácico), Provincia de Santa Cruz, Argentina. V. Publicación Especial de la Asociación Paleontológica Argentina 2:23-27 [C. Jaramillo/P. Santamarina]
48164 S. Archangelsky and L. Villar de Seoane. 1994. Estudio palinológico de la Formación Baqueró (Cretácico), Provincia de Santa Cruz, Argentina. VI. Ameghiniana 31(1):41-53 [C. Jaramillo/P. Santamarina]
48168 S. Archangelsky and L. Villar de Seoane. 1996. Estudios palinológico de la Formación Baqueró (Cretácico), provincia de Santa Cruz, Argentina. VII. Ameghiniana 33(3):307-313 [C. Jaramillo/P. Santamarina]
48169 S. Archangelsky and L. Villar de Seoane. 1998. Estudios palinológicos de la Formación Baqueró (Cretácico), Provincia de Santa Cruz, Argentina. VIII. Ameghiniana 35(1):7-19 [C. Jaramillo/P. Santamarina]
48091 S. Archangelsky and L. Villar de Seoane. 2005. Estudios palinológicos del Grupo Baqueró (Cretácico inferior), provincia de Santa Cruz, Argentina. IX polen bisacado de Podocarpaceae. Revista Española de Paleontología 20(1):37-56 [C. Jaramillo/J. Moreno/P. Santamarina]