OR1016 Ormaechea Park (Paleocene of Argentina)

Also known as Dromedary Hill

Where: Chubut, Argentina (45.8° S, 69.1° W: paleocoordinates 48.3° S, 58.3° W)

• coordinate stated in text

• basin-level geographic resolution

When: Salamanca Formation, Danian (66.0 - 61.6 Ma)

Environment/lithology: delta front; sandstone

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: biostratigraphic analysis

PaleoDB collection 172887: authorized by Carlos Jaramillo, entered by Carlos Jaramillo on 27.08.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Coccolithophyceae
 Isochrysidales - Prinsiaceae
Prinsius dimorphosus Perch-Nielsen 1977
 Prymnesiophycidae - Prymnesiophycidae
 Podorhabdales - Biscutaceae
Biscutum sp. Black 1959
 Podorhabdales - Axopodorhabdaceae
 Eiffellithales - Chiastozygaceae
Staurolithites sp. Caratini 1963
Zeugrhabdotus sigmoides Bramlette and Sullivan 1961
 Watznaueriales - Watznaueriaceae
Foraminifera
 Globigerinina - Hedbergellidae
Globothalamea
 Rotaliida - Cancrisidae
Equisetopsida
 Pinidae - Pinidae
Classopollis spp. Pflug 1953
Lycopodiopsida
 Selaginellales -
Ceratosporites equalis Cookson and Dettmann 1958 clubmoss
Pteridopsida
  -
Cyathidites minor Couper 1953
Polypodiopsida
  - Gleicheniaceae
Clavifera triplex Bolkhovitina 1966
 Gleicheniales - Polypodiidae
 Schizaeales - Polypodiidae
Cicatricosisporites sp. Potonie and Gelletich 1933
  - Dicksoniaceae
  - Polypodiaceae
Angiospermae
 Gunnerales -
Tricolpites communis Archangelsky 1973
 Proteales - Proteaceae
Proteacidites "sp. A" Cookson and Couper 1953
Proteacidites "sp. B" Cookson and Couper 1953
 Proteales -
Peninsulapollis gillii Dettmann and Jarzen 1988
 Mesangiosperms - Araceae
Proxapertites sp. Van der Hammen 1956
 Mesangiosperms - Liliaceae
Liliacidites vermireticulatus Archangelsky and Zamaloa 1986
  -
Restioniidites pascualii Archangelsky 1973
 Coniferales - Podocarpaceae
Magnoliopsida
  -
"Tricolpites anguloluminosus" = Albertipollenites anguloluminosus Archangelsky 1973
Rhoipites baculatus Archangelsky 1973
Dinophyceae
  -
Spiniferites sp. Mantell 1850
 Gonyaulacales - Areoligeraceae
Senoniasphaera inornata Stover and Evitt 1978
 Gonyaulacales -
Tanyosphaeridium sp. Davey and Williams 1966
 Gonyaulacales - Gonyaulacaceae
 Peridiniales - Peridiniaceae
Cerodinium sp. Vozzhennikova 1963
Lentinia sp. Bujak et al. 1980
 Peridiniales - Deflandreaceae
Palaeocystodinium sp. Alberti 1961