Also known as Cerro Dorotea Fm.
Where: Santa Cruz, Argentina (51.6° S, 72.3° W: paleocoordinates 54.0° S, 62.8° W)
• coordinate based on nearby landmark
When: Cerro Dorotea Formation, Maastrichtian to Maastrichtian (72.1 - 48.6 Ma)
• Lower section of Cerro Dorotea Fm. was dated as Danian.
Environment/lithology: terrestrial; fine-grained, conglomeratic sandstone and carbonaceous claystone
Size class: microfossils
Preservation: adpression
Collection methods: chemical, hydrochloric, hydroflouric
• Conteos sobre 200 granos, en dos series de muestras, preparadas separadamente.
Primary reference: C. Freile. 1972. Estudio Palinológico de la Formación Cerro Dorotea (Maestrichtiano-Paleoceno) de la Provincia de Santa Cruz. I. Revista del Museo de la Plata (nueva serie), Sección Paleontología 6(38):39-63 [C. Jaramillo/C. Jaramillo/C. Jaramillo]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 167869: authorized by Carlos Jaramillo, entered by Carlos Jaramillo on 05.04.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Psilatricolpites | |
Psilatricolpites pulcherrimum n. sp., Psilatricolpites patagonicus n. sp.
Psilatricolpites pulcherrimum n. sp. Freile 1972
Psilatricolpites patagonicus n. sp. Freile 1972 | |
Dacrydiumites florinii Cookson and Pike 1953 podocarp
Trisaccites microsaccatus Couper 1953 podocarp
Podocarpidites marwickii Couper 1953 podocarp | |
Magnoliopsida | |
Angiospermae | |
Liliacidites crassibaculatus n. sp. Freile 1972
Liliacidites variegatus Couper 1953 | |
Anacolosidites sp. Krutzsch 1959 | |
Tricolpites sp. Couper 1953
Tricolpites retielegans n. sp. Freile 1972 | |
Dicotyledoneae | |
Triorites cf. minor Couper 1953 | |
Myrtaceidites mesonesus Cookson and Pike 1954 | |
Angiospermae | |
Monosulcites cf. granulatus Couper 1960
Monosulcites pseudospinosus n. sp. Freile 1972 | |
Polypodiopsida | |
Laevigatosporites ovatus Wilson and Webster 1946 | |
Pteridopsida | |
Leiotriletes sp. Potonie and Kremp 1954 |