Baqueró - Anfiteatro de Ticó (Cretaceous of Argentina)

Where: Santa Cruz, Argentina (48.5° S, 69.2° W: paleocoordinates 49.4° S, 35.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Baqueró Formation, Aptian (125.0 - 113.0 Ma)

Environment/lithology: fluvial; lithified, sandy sandstone

• This Formation at the time (1965), is still not well defined.

Size class: microfossils

Preservation: soft parts, original sporopollenin

Collection methods: bulk, hydrochloric, hydroflouric,

• Microscopic preparations are deposited in the Paleobotany Collection of the Natural Science Museum of La Plata.

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 149982: authorized by Carlos Jaramillo, entered by Jessica Moreno on 30.08.2013, edited by Patricio Santamarina

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Espora "Tipo A"6, Espora "Tipo B"6
Muricingulisporis
  -
Muricingulisporis annulatus1
Muricingulisporis annulatus1 Archangelsky and Gamerro 1966
Microfoveolatosporis
  -
Microfoveolatosporis "sp. A"7
Concavisporites
  -
Concavisporites "sp. A"7, Concavisporites cf. laticrassus7
Concavisporites "sp. A"7 Delcourt and Sprumont 1955
Trilobosporites
  -
Trilobosporites purverulentus2, Trilobosporites trioreticulosus2
Trilobosporites trioreticulosus2 Cookson and Dettmann 1958
Polypodiopsida
  - Osmundaceae
Baculatisporites comaumensis5, Rugulatisporites neuquenensis5
  - Gleicheniaceae
Gleicheniidites senonicus4, Clavifera "sp. A"4, Ornamentifera "sp. A"4, Ornamentifera tuberculata4
Clavifera "sp. A"4 Bolchovitina 1966
Ornamentifera "sp. A"4 Bolkhovitina 1966
Ornamentifera tuberculata4 Bolkhovitina 1966
 Polypodiales - Polypodiidae
Contignisporites cooksonii1
 Schizaeales - Polypodiidae
Cicatricosisporites australiensis3, Cicatricosisporites giganteus3, Cicatricosisporites baqueroensis3, Cicatricosisporites cf. ethmos3, Cicatricosisporites ticoensis3
Cicatricosisporites giganteus3 Archangelsky and Gamerro 1966
Cicatricosisporites baqueroensis3 Archangelsky and Gamerro 1966
Cicatricosisporites cf. ethmos3 Archangelsky and Gamerro 1966
nov. comb.
Cicatricosisporites ticoensis3 Archangelsky and Gamerro 1966
  -
Verrucosisporites "sp. A"5
Verrucosisporites "sp. A"5 Potonie and Kremp 1954
  - Dicksoniaceae
Cyatheacidites tectifera
Cyatheacidites tectifera Archangelsky and Gamerro 1965
  - Polypodiaceae
Laevigatosporites ovatus7, Laevigatosporites belfordii7
Laevigatosporites ovatus7 Wilson and Webster 1946
Pteridopsida
  -
Deltoidospora minor5, Osmundacidites "sp. A"5, Polypodiaceoisporites elegans1, Cyathidites "sp. B"5, Cyathidites minor5, Cyathidites australis5
Deltoidospora minor5 Pocock 1970
Osmundacidites "sp. A"5 Couper 1953
Polypodiaceoisporites elegans1 Archangelsky and Gamerro 1966
Cyathidites "sp. B"5 Couper 1953
Cyathidites minor5 Couper 1953
Cyathidites australis5 Couper 1953
Rouseisporites reticulatus
  -
Rouseisporites reticulatus2
Taurocusporites segmentatus
  -
Taurocusporites segmentatus2
Coptospora
  -
Coptospora foveolata6
Coptospora foveolata6 Archangelsky and Villar de Seoane 1996
Staplinisporites caminus
  -
Staplinisporites caminus6
Marchantiopsida
  - Marchantiidae
Stoverisporites lunaris6
Stoverisporites lunaris6 Norvick and Burger 1975
Vallizonosporites
  -
Vallizonosporites spinosus7
Vallizonosporites spinosus7 Archangelsky and Villar de Seoane 1998
Lycopodiopsida
 Selaginellales - Selaginellaceae
Neoraistrickia "sp. A"5, "Heliosporites baculatus" = Antulsporites baculatus1
Neoraistrickia "sp. A"5 Potonié 1956 spikemoss
"Heliosporites baculatus" = Antulsporites baculatus1 Archangelsky and Gamerro 1966 spikemoss
 Selaginellales -
Densoisporites corrugatus, Densoisporites velatus, Ceratosporites equalis5, Ceratosporites setosus5
Densoisporites corrugatus Archangelsky and Gamerro 1965 clubmoss
Densoisporites velatus Dettmann 1963 clubmoss
Ceratosporites equalis5 Cookson and Dettmann 1958 clubmoss
Ceratosporites setosus5 Archangelsky and Villar de Seoane 1994 clubmoss
 Lycopodiales - Lycopodiaceae
Sestrosporites pseudoalveolatus2, Carmarozonosporites microalveolatus1, Obtusisporis "sp. A"7, Obtusisporis obtusangulus7
Sestrosporites pseudoalveolatus2 Dettmann 1963 clubmoss
Carmarozonosporites microalveolatus1 Archangelsky and Gamerro 1966 clubmoss
Obtusisporis "sp. A"7 Pocock 1970 clubmoss
Obtusisporis obtusangulus7 Pocock 1970 clubmoss
 Lycopodiales -
Retitriletes "sp. A"7, Retitriletes austroclavatidites7
Retitriletes "sp. A"7 Pierce 1961 clubmoss
Retitriletes austroclavatidites7 Döring et al. 1963 clubmoss
Equisetopsida
 Anthocerotidae - Anthocerotidae
Foraminisporis asymmetricus6, Foraminisporis dailyi1
Foraminisporis dailyi1 Dettmann 1963
Angiospermae
 Buxales -
Tuberculatosporites "sp. A"7, Polypodiidites "sp. A"7
Polypodiidites "sp. A"7 Potonié 1966
 Coniferales - Podocarpaceae
Gamerroites "sp. A"8, Gamerroites volkheimeri8, Podocarpidites futa8, Podocarpidites parviauriculatus8, Podocarpidites marwickii8, Podocarpidites auriculatus8
Gamerroites "sp. A"8 Archangelsky 1988 podocarp
Gamerroites volkheimeri8 Archangelsky 1988 podocarp
Podocarpidites futa8 Archangelsky and Villar de Seoane 2005 podocarp
Podocarpidites parviauriculatus8 Archangelsky and Villar de Seoane 2005 podocarp
Podocarpidites marwickii8 Couper 1953 podocarp
Podocarpidites auriculatus8 Archangelsky and Villar de Seoane 2005 podocarp
Chomotriletes
  -
Chomotriletes minor6
Chomotriletes minor6 Pocock 1970
Naiaditaspora
  -
Naiaditaspora gemmata6
Naiaditaspora gemmata6 Archangelsky and Villar de Seoane 1996
1Archangelsky and Gamerro 1966; 2Archangelsky and Gamerro 1966; 3Archangelsky and Gamerro 1966; 4Archangelsky and Villar de Seoane 1992; 5Archangelsky and Villar de Seoane 1994; 6Archangelsky and Villar de Seoane 1996; 7Archangelsky and Villar de Seoane 1998; 8Archangelsky and Villar de Seoane 2005