Where: Neuquén, Argentina (38.4° S, 70.0° W: paleocoordinates 38.4° S, 35.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Huitrin or Rayoso Formation (Bajada del Agrio Group), Late/Upper Barremian to Late/Upper Barremian (130.0 - 122.5 Ma)
• PJW: Was Huitrin-Rayoso group.
Environment/lithology: terrestrial; lithified, gray, blue, argillaceous mudstone
Size class: microfossils
• Others = Palynomorphs
Preservation: soft parts, original sporopollenin
Collected by Laboratorio de Bioestratigrafía de la Universidad Nacional de la Patagonia San Juan Bosco
Collection methods: bulk, chemical, hydrochloric, hydroflouric,
• Laboratorio de Bioestratigrafía de la Universidad Nacional de la Patagonia San Juan Bosco: Repository.
Primary reference: P. Vallati. 2006. Las primeras angiospermas en el Cretácico de la Cuenca Neuquina (Centro Oeste de Argentina): Aspectos geológicos relacionados. Revista Brasileira de Paleontologia 9(1):83-92 [C. Jaramillo/P. Santamarina]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 149818: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 27.08.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
|
? Membranosphaera "sp." Samoilovitch 1961 acritarchs | |
| Pilosisporites trichopapillosus | |
|
Pilosisporites trichopapillosus Delcourt and Sprumont 1955 | |
| Polypodiopsida | |
|
Appendicisporites tricornitatus Weyland and Greifeld 1953 | |
|
Leptolepidites irregularis Wingate 1980
Leptolepidites macroverrucosus Schultz 1967 | |
| Marchantiopsida | |
|
| |
| Ginkgoopsida | |
|
| |
| Equisetopsida | |
|
Cyclusphaera psilata Volkheimer and Sepulveda 1976
Balmeiopsis limbatus Balme 1957
Classopollis classoides Pflug 1953 | |
| Asteropollis asteroides | |
|
Asteropollis asteroides Hedlund and Norris 1968 | |
| Asteropollis | |
|
| |
| Gymnospermopsida | |
|
| |
| Angiospermae | |
|
Retimonocolpites "sp." Pierce 1961 | |
|
? Liliacidites "sp." Couper 1953 | |
|
Clavatipollenites hughesii Kemp 1968 | |
| Gnetaceaepollenites | |
|
| |