Where: Chubut, Argentina (42.6° S, 64.3° W: paleocoordinates 42.8° S, 61.0° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Puerto Madryn Formation, Middle Miocene to Middle Miocene (16.0 - 5.3 Ma)
Environment/lithology: marine; lithified, fine-grained, gray, yellow, silty, sandy lithology not reported
Size class: microfossils
• Pollen grains
Preservation: soft parts, original sporopollenin
Collection methods: chemical, hydrochloric, hydroflouric
Primary reference: L. Palazzesi and V. Barreda. 2004. Primer registro palinológico de la Formación Puerto Madryn, Mioceno de la provincia de Chubut, Argentina. Ameghiniana 41(3):355-362 [C. Jaramillo/J. Ceballos/J. Moreno]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 144210: authorized by Carlos Jaramillo, entered by Juliana Ceballos on 02.05.2013, edited by Jessica Moreno
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Leiosphaeridia sp. Eisenack 1958 | |
Chlorophyceae | |
Pediastrum sp. Meyen 1829 | |
Prasinophytae | |
Tasmanites sp. Newton 1875 | |
Equisetopsida | |
Araucariacites sp. Cookson and Couper 1953 | |
Angiospermae | |
Nothofagidites spp. Potonié 1960 | |
Tricolpites trioblatus Mildenhall and Pocknall 1989 | |
Chenopodipollis chenopodiaceoides Truswell 1985 | |
Asteraceae "sp. 1", Asteraceae "sp. 2", Asteraceae "sp. 3", Tubulifloridites pleistocenicus, Tubulifloridites simplis, Tubulifloridites antipodica
Asteraceae "sp. 1" Berchtold and Presl 1820 daisy
Asteraceae "sp. 2" Berchtold and Presl 1820 daisy
Asteraceae "sp. 3" Berchtold and Presl 1820 daisy
Tubulifloridites pleistocenicus Martin 1973 daisy
Tubulifloridites simplis Martin 1973 daisy
Tubulifloridites antipodica Cookson 1947 daisy | |
Sparganiaceaepollenites barungensis Harris 1972 | |
Graminidites sp. Potonie 1960 bamboo | |
Milfordia sp. Erdtman 1960 | |
Podocarpidites spp. Cookson 1947 podocarp | |
Magnoliopsida | |
Rhoipites spp. Wodehouse 1933
Striatricolporites gamerroi Archangelsky 1973 | |
Algae | |
Botryococcus sp. Kutzing 1849 | |
Pteridopsida | |
Cyathidites spp. Couper 1953 | |
Polypodiopsida | |
Azolla sp. Lamarck 1783 | |
Ginkgoopsida | |
Equisetosporites claricristatus Barreda 1997
Equisetosporites notensis Romero 1977 | |
Mutisiapollis | |
Mutisiapollis sp. Macphail and Hill 1994 | |
Dinophyceae | |
Tuberculodinium vancampoae Wall 1967 | |
Lingulodinium hemicystum McMinn 1991 | |
Reticulatosphaera actinocoronata Bujak and Matsuoka 1986 | |
Cyperaceaepollis neogenicus | |
Cyperaceaepollis neogenicus Krutzsch 1970 | |
Glencopollis ornatus | |
Glencopollis ornatus Pocknall and Mildenhall 1984 | |
Baumannipollis | |
Baumannipollis spp. Barreda 1993 | |
Malvacipolloides | |
Malvacipolloides comodoroensis Barreda 1993 |