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