Baqueró - Bajo del Tigre (Cretaceous of Argentina)

Where: Santa Cruz, Argentina (48.5° S, 69.1° W: paleocoordinates 49.4° S, 35.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Aptian (125.0 - 113.0 Ma)

Environment/lithology: fluvial-lacustrine; lithified, sandy sandstone

• For complete geology description, please review Cladera et al. (2002)

Size class: microfossils

• Other: Palynomorphs

Preservation: soft parts, original sporopollenin

Collection methods: bulk, chemical, hydrochloric, hydroflouric,

• Repository: Museum of Natural Science of La Plata.

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 150335: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 05.09.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Equisetopsida
 Anthocerotidae - Anthocerotidae
Foraminisporis dailyi Dettmann 1963
Lycopodiopsida
 Lycopodiales -
Retitriletes austroclavatidites6 Döring et al. 1963 clubmoss
Retitriletes baqueroense6 Archangelsky and Villar de Seoane 1998 clubmoss
 Lycopodiales - Lycopodiaceae
Reticulatisporites ornatus6 Archangelsky and Villar de Seoane 1998 clubmoss
 Selaginellales -
Densoisporites corrugatus1 Archangelsky and Gamerro 1965 clubmoss
Densoisporites velatus1 Dettmann 1963 clubmoss
Ceratosporites equalis5 Cookson and Dettmann 1958 clubmoss
Auritulinasporites
  -
Muricingulisporis
  -
Muricingulisporis annulatus Archangelsky and Gamerro 1966
Trilobosporites
  -
Trilobosporites trioreticulosus2 Cookson and Dettmann 1958
Pteridopsida
  -
Polypodiaceoisporites elegans Archangelsky and Gamerro 1966
Leiotriletes regularis5 Krutzsch 1959
Deltoidospora minor5 Pocock 1970
Cyathidites "sp. A"5 Couper 1953
Cyathidites minor5 Couper 1953
Polypodiopsida
  - Gleicheniaceae
Gleicheniidites "sp. A"4 Dettmann 1963
Gleicheniidites "sp. B"4 Dettmann 1963
Ornamentifera "sp. A"4 Bolkhovitina 1966
 Schizaeales - Polypodiidae
Cicatricosisporites cf. ethmos3 Archangelsky and Gamerro 1966
nov. comb.
  - Dicksoniaceae
Cibotiidites auriculatus6 Archangelsky and Villar de Seoane 1998
Cyatheacidites tectifera1 Archangelsky and Gamerro 1965
  - Osmundaceae
Rugulatisporites "sp. A"5 Pflug and Thomson 1953
Rugulatisporites "sp. B"5 Pflug and Thomson 1953
Rotverrusporites labratus6 Archangelsky and Villar de Seoane 1998
  - Blechnaceae
Leptolepidites major5 Couper 1953
  -
Biretisporites "sp. A"5 Delcourt et al. 1963
Sphenopsida
  -
Concavissimisporites
  -
"Trilobosporites apiverrucatus" = Concavissimisporites apiverrucatus2
"Trilobosporites apiverrucatus" = Concavissimisporites apiverrucatus2 Döring 1965
Angiospermae
 Buxales -
Polypodiidites "sp. A"6 Potonié 1966
Polypodiidites "sp. B"6 Potonié 1966
 Coniferales - Podocarpaceae
Gamerroites volkheimeri7 Archangelsky 1988 podocarp
Podocarpidites "sp. A"7 Cookson 1947 podocarp
Podocarpidites marwickii7 Couper 1953 podocarp
Podocarpidites parviauriculatus7 Archangelsky and Villar de Seoane 2005 podocarp
Podocarpidites futa7 Archangelsky and Villar de Seoane 2005 podocarp
Podocarpidites vestitus7 Archangelsky and Villar de Seoane 2005 podocarp
Podocarpidites ellipticus7 Cookson 1947 podocarp
Podocarpidites auriculatus7 Archangelsky and Villar de Seoane 2005 podocarp
Taurocusporites segmentatus
  -
Rouseisporites reticulatus
  -
Marchantiopsida
 Sphaerocarpales -
Aequitriradites verrucosus1 Cookson and Dettmann 1958
Aequitriradites spinulosus1 Cookson and Dettmann 1958