Where: Santa Cruz, Argentina (50.1° S, 68.4° W: paleocoordinates 51.0° S, 61.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Monte León Formation, Late/Upper Oligocene to Late/Upper Oligocene (28.4 - 16.0 Ma)
Environment/lithology: terrestrial; 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.
Primary reference: V. Barreda and S. Palamarczuk. 2000. Palinomorfos continentales y marinos de la Formación Monte León en su área tipo, provincia de Santa Cruz, Argentina. Ameghiniana 37(1):3-12 [C. Jaramillo/J. Ceballos/A. Cardenas ]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 142323: authorized by Carlos Jaramillo, entered by Juliana Ceballos on 09.04.2013, edited by Patricio Santamarina
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Equisetopsida | |
Araucariaceae spp. Henckel and Hochstetter 1865 | |
Podocarpaceae spp. Endlicher 1847 podocarp | |
Angiospermae | |
Graminidites sp. Potonie 1960 bamboo | |
Arecipites subverrucatus Mildenhall and Pocknall 1989 palm | |
Fagaceae spp. Dumortier 1829 | |
Muricingulisporis | |
Muricingulisporis chenquensis Barrera 1992 | |
Polypodiopsida | |
Cyatheacidites annulatus Cookson 1947 | |
Pteridopsida | |
Ischyosporites areapunctatis Barreda 1997 | |
Dinophyceae | |
Lejeunecysta sp. Artzner and Dörhöfer 1978 | |
Lingulodinium hemicystum McMinn 1991
Operculodinium centrocarpum Wall 1967 | |
Mutisiapollis | |
Mutisiapollis viteauensis Barreda 1998 | |
Baumannipollis variaperturatus | |
Baumannipollis variaperturatus Barreda 1993 | |
Malvacipolloides | |
Malvacipolloides comodoroensis Barreda 1993 |