OR1023 Ormaechea Park (Cretaceous to of Argentina)

Also known as Cerro Colorado

Where: Chubut, Argentina (45.8° S, 69.1° W: paleocoordinates 48.7° S, 54.6° W)

• coordinate stated in text

• basin-level geographic resolution

When: Salamanca Formation, Late/Upper Cretaceous to Late/Upper Cretaceous (100.5 - 56.0 Ma)

Environment/lithology: deltaic; lithology not reported

Size class: microfossils

Preservation: original sporopollenin

Collection methods: chemical

Primary reference: W. C. Clyde, P. Wilf, A., R. L. Slingerland, T. Barnum, P. K. Bijl, T. J. Bralower, H. Brinkhuis, E. E. Comer, B. T. Huber, M. B. R. Ibañez-Mejia Jicha, J. M. Krause, J. D. Schueth, B. S. Singer, M. S. Raigemborn, M. D. Schmitz, A. Sluijs and M. C. Zamaloa. 2014. New age constraints for the Salamanca Formation and lower Río Chico Group in the western San Jorge Basin, Patagonia, Argentina: Implications for Cretaceous-Paleogene extinction recovery and land mammal age correlations. Geological Society America Bulletin 126(3-4):289-306 [C. Jaramillo/C. Jaramillo/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 172890: authorized by Carlos Jaramillo, entered by Carlos Jaramillo on 27.08.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Proxapertites sp. Van der Hammen 1956
 Pinales - Podocarpaceae
 Pinales - Cheirolepidiaceae
Classopollis spp. Pflug 1953
 Arecales -
  - Polypodiaceae
Polypodiidites speciosus Archangelsky 1972
Laevigatosporites ovatus Wilson and Webster 1946
Cyathidites minor Couper 1953
 Gleicheniales - Matoniaceae
 Gleicheniales - Gleicheniaceae
Clavifera triplex Bolkhovitina 1966
  - Selaginellaceae
Ceratosporites equalis Cookson and Dettmann 1958
  - Lycopodiaceae
Retitriletes austroclavatidites Döring et al. 1963
Cingutriletes australis Archangelsky 1972
Senipites tercrassata Archangelsky 1973
Rousea microreticulata Archangelsky and Zamaloa 1986
 Myrtales -
Myrtaceidites sp. Cookson and Pike 1960
 Proteales -
Peninsulapollis gillii Dettmann and Jarzen 1988
Proteacidites "sp. A" Cookson and Couper 1953
Proteacidites "sp. B" Cookson and Couper 1953
Proteacidites "sp. C" Cookson and Couper 1953
 Fagales -
Nothofagidites saraensis Menendez and Caccavari 1975