Where: Santa Cruz, Argentina (47.0° S, 66.8° W: paleocoordinates 48.2° S, 58.9° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Monte León Formation, Late/Upper Oligocene (28.4 - 23.0 Ma)
Environment/lithology: lagoonal; lithified sandstone
Size class: microfossils
• Other: Palynomorphs
Preservation: soft parts, original sporopollenin
Collection methods: bulk, chemical, hydrochloric, hydroflouric,
• Repositorio: Palinoteca del Centro de Investigaciones en Recursos Geológicos (CIRGEO)
Primary reference: V. Barreda and S. Palamarczuk. 2000. Palinoestratigrafía de depósitos del Oligoceno tardío-Mioceno en el área sur del Golfo San Jorge, provincia de Santa Cruz, Argentina. Ameghiniana 37(1):103-117 [C. Jaramillo/J. Ceballos/P. Santamarina]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 151587: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 08.10.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
| unclassified | |
| Pterospermella | |
|
Pterospermella sp. Volkova 1979 | |
| Prasinophytae | |
|
Tasmanites sp. Newton 1875 | |
| Psilatricolporites operculatus | |
"Psilatricolporites operculatus" = Ranunculacidites operculatus
"Psilatricolporites operculatus" = Ranunculacidites operculatus Jaramillo and Dilcher 2001 | |
| Equisetopsida | |
|
Araucariacites australis Cookson 1947 | |
| Angiospermae | |
|
Nothofagidites saraensis Menendez and Caccavari 1975
Nothofagidites deminuta Quattrocchio 2000
Nothofagidites americanus Zamaloa 1992 | |
|
Margocolporites tenuireticulatus Barreda 1997 legume | |
|
Tricolpites "sp. A" Couper 1953
Tricolpites reticulatus Couper 1953 | |
|
Proteacidites sp. Cookson and Couper 1953 | |
|
Chenopodipollis chenopodiaceoides Truswell 1985 | |
|
Clavatipollenites sp. Couper 1958 | |
|
Liliacidites "sp. A" Couper 1953 | |
|
Arecipites subverrucatus Mildenhall and Pocknall 1989 palm | |
|
Sparganiaceaepollenites barungensis Harris 1972 | |
|
Graminidites sp. Potonie 1960 bamboo | |
|
Pseudowinterapollis couperii magnoliids | |
| Dicotyledoneae | |
|
Myrtaceidites sp. Cookson and Pike 1960 | |
Podocarpidites rugulosus, Podocarpidites ellipticus, Podocarpidites microreticuloidata, Lygistepollenites florinii
Podocarpidites rugulosus Romero 1977 podocarp
Podocarpidites ellipticus Cookson 1947 podocarp
Podocarpidites microreticuloidata Cookson 1947 podocarp
Lygistepollenites florinii Stover and Evans 1973 podocarp | |
| Magnoliopsida | |
|
Rhoipites baculatus Archangelsky 1973
Senipites patagonica Barreda 1997 | |
| Algae | |
| Muricingulisporis | |
|
Muricingulisporis chenquensis Barrera 1992 | |
| Pteridopsida | |
|
Cyathidites sp. Couper 1953 | |
| Polypodiopsida | |
|
Cyatheacidites annulatus Cookson 1947 | |
|
Polypodiisporites radiatus Pocknall and Mildenhall 1984 | |
| Ginkgoopsida | |
|
Equisetosporites claricristatus Barreda 1997 | |
|
Cymatiosphaera sp. Wetzel 1933 acritarchs | |
| Rubipollis oblatus | |
|
Rubipollis oblatus Mildenhall and Pocknall 1989 | |
| Mutisiapollis | |
| Quintiniapollis | |
|
Quintiniapollis striatulosa Barreda 1997 | |
| Canthiumidites bellus | |
|
Canthiumidites aff. bellus Mildenhall and Pocknall 1989 | |