Punta del Barco Norte (Cretaceous of Argentina)

Where: Santa Cruz, Argentina (48.3° S, 69.1° W: paleocoordinates 49.2° S, 35.3° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Punta del Barco Formation (Baqueró Group), Aptian (125.0 - 113.0 Ma)

Environment/lithology: fluvial; lithified conglomerate and lithified, sandy sandstone

• Cladera, G., Andreis, R. y Archangelsky, S. y Cúneo, R. 2002.

•Estratigrafía del Grupo Baqueró, Patagonia (Provincia de Santa

•Cruz, Argentina). Ameghiniana 39: 3-20.

Size class: microfossils

Preservation: original sporopollenin

Reposited in the MACN

• The repository is located in the Paleobotany Division of MACN "Bernardino Rivadavia" under the acronym BA Pal No. 5500 to 5504 and 5550 to 5577 and in the collection of the Paleontological Museum Egidio Feruglio MPEF Palin 56 to 62.

Primary reference: M. Llorens. 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 [C. Jaramillo/J. Moreno/J. Moreno]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 150185: authorized by Carlos Jaramillo, entered by Jessica Moreno on 03.09.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Equisetopsida
 Anthocerotidae - Anthocerotidae
Foraminisporis sp., Foraminisporis dailyi
Foraminisporis sp. Krutzsch 1959
Foraminisporis dailyi Dettmann 1963
Polypodiopsida
  - Polypodiaceae
Laevigatosporites sp., Laevigatosporites ovatus
Laevigatosporites sp. Ibrahim 1933
Laevigatosporites ovatus Wilson and Webster 1946
  -
Biretisporites "sp. A", Biretisporites "sp. B", Biretisporites "sp. C", Biretisporites cf. potoniaei
Biretisporites "sp. A" Delcourt et al. 1963
Biretisporites "sp. B" Delcourt et al. 1963
Biretisporites "sp. C" Delcourt et al. 1963
Biretisporites cf. potoniaei Delcourt and Sprumont 1955
 Polypodiales - Polypodiidae
Contignisporites cooksoniae, Contignisporites glebulentus, Contignisporites burgerii
Contignisporites burgerii Filatoff and Price 1988
  - Gleicheniaceae
Gleicheniidites "sp. 1", Gleicheniidites "sp. 2", Gleicheniidites "sp. 3", Gleicheniidites rigidus n. sp., Gleicheniidites senonicus, Gleicheniidites aptianus n. sp., Clavifera cf. triplex, Ornamentifera sp.
Gleicheniidites "sp. 2" Dettmann 1963
Gleicheniidites "sp. 3" Dettmann 1963
Gleicheniidites rigidus n. sp. Llorens 2008
Gleicheniidites aptianus n. sp. Llorens 2008
Clavifera cf. triplex Bolkhovitina 1966
Ornamentifera sp. Bolkhovitina 1966
Pteridopsida
  -
Deltoidospora "sp. B", Cyathidites cf. minor, Todisporites sp., Capsispora vulcanica n. gen. n. sp., Lygodiidites "sp. 1"
Cyathidites cf. minor Couper 1953
Todisporites sp. Couper 1958
Capsispora vulcanica n. gen. n. sp. Llorens 2008
Lygodiidites "sp. 1" Pocock 1964
Staplinisporites caminus
  -
Staplinisporites caminus
Concavissimisporites
  -
Concavissimisporites "sp. A", Concavissimisporites penolaensis
Concavissimisporites "sp. A" Delcourt and Sprumont 1955
Lycopodiopsida
 Selaginellales -
Densoisporites corrugatus, Densoisporites velatus, Ceratosporites "sp. A", Ceratosporites "sp. B"
Densoisporites corrugatus Archangelsky and Gamerro 1965 clubmoss
Densoisporites velatus Dettmann 1963 clubmoss
Ceratosporites "sp. A" Cookson and Dettmann 1958 clubmoss
Ceratosporites "sp. B" Cookson and Dettmann 1958 clubmoss
 Lycopodiales -
Retitriletes sp., Retitriletes douglasii
Retitriletes sp. Pierce 1961 clubmoss
Retitriletes douglasii Dettmann 1986 clubmoss
Reticulosporis
  -
Reticulosporis "sp. 1", Reticulosporis "sp. 2", Reticulosporis "sp. 3"
Reticulosporis "sp. 1" Krutszch 1959
Reticulosporis "sp. 2" Krutszch 1959
Reticulosporis "sp. 3" Krutszch 1959