Where: Santa Cruz, Argentina (47.1° S, 66.0° W: paleocoordinates 47.8° S, 59.6° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Monte León Formation, Early/Lower Miocene (23.0 - 16.0 Ma)
Environment/lithology: transition zone or lower shoreface; lithified tuff
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: taxonomic analysis
PaleoDB collection 142224: authorized by Carlos Jaramillo, entered by Juliana Ceballos on 07.04.2013, edited by Patricio Santamarina and Mihaela Krause
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Dinophyceae | |
Spiniferites mirabilis Sarjeant 1970 | |
Reticulatosphaera actinocoronata Bujak and Matsuoka 1986
? Reticulatosphaera actinocoronata Bujak and Matsuoka 1986 | |
Operculodinium centrocarpum Wall 1967
Lingulodinium hemicystum McMinn 1991
Nematosphaeropsis rigida Wreen 1988 | |
Prasinophytae | |
Tasmanites spp. Newton 1875 | |
Polypodiopsida | |
Verrucosisporites kopukuensis Stover 1973 | |
Ginkgoopsida | |
Equisetosporites claricristatus Barreda 1997 | |
Magnoliopsida | |
Rhoipites cienaguensis Barreda 1997 | |
Angiospermae | |
Cupanieidites reticularis Cookson and Pike 1954 soapberry | |
Dicotyledoneae | |
Corsinipollenites atlantica Barreda 1997 willowherb | |
Angiospermae | |
Chenopodipollis chenopodiaceoides Truswell 1985 | |
Clavatipollenites sp. Couper 1958 | |
Bivalvia | |
"Swiftopecten iheringii" = Chlamys (Swiftopecten) iheringii
"Swiftopecten iheringii" = Chlamys (Swiftopecten) iheringii del Rio 1995 scallop | |
Canthiumidites bellus | |
Canthiumidites aff. bellus Mildenhall and Pocknall 1989 | |
Mutisiapollis | |
Mutisiapollis viteauensis Barreda 1998 | |
Baumannipollis variaperturatus | |
Baumannipollis variaperturatus Barreda 1993 | |
Cyperaceaepollis neogenicus | |
Cyperaceaepollis neogenicus Krutzsch 1970 |