Also known as Paso del Sapo Fm.
Where: Chubut, Argentina (42.7° S, 70.0° W: paleocoordinates 44.8° S, 58.5° W)
• coordinate estimated from map
When: Paso del Sapo Formation, Maastrichtian (72.1 - 66.0 Ma)
• 0.5 meters above basis of outcrop
Environment/lithology: terrestrial; gray, argillaceous siltstone
Size class: microfossils
Preservation: original sporopollenin
Collection methods: chemical
Primary reference: O. H. Papú. 1989. Estudio Palinológico de la Formación Paso del Sapo (Cretácico Superior), Valle Medio del Río Chubut. Granos de Polen, Consideraciones Estadísticas, Paleoecológicas y Paleoambientales. Ameghiniana 25(3):193-202 [C. Jaramillo/C. Jaramillo/C. Jaramillo]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 168393: authorized by Carlos Jaramillo, entered by Carlos Jaramillo on 21.04.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Conbaculatisporites | |
Conbaculatisporites sp. Klaus 1960 | |
Magnoliopsida | |
Rousea cf. patagonica Archangelsky 1973 | |
Podocarpidites cf. verrucosus Volkheimer 1972 podocarp
cf. Microcachryidites sp. Cookson 1947 podocarp | |
Angiospermae | |
Liliacidites "sp. 1" Couper 1953
Liliacidites variegatus Couper 1953 | |
Triporopollenites cf. ambiguus Couper 1973 | |
Triatriopollenites cf. lateflexus Archangelsky 1973 | |
Anacolosidites diffusa Archangelsky 1973 | |
Tricolpites cf. reticulatus Couper 1953
Tricolpites reticulatus Couper 1953 | |
Polypodiidites sp. Potonié 1966 | |
Momipites fragilis Frederiksen and Christopher 1978 | |
Psilatricolpites | |
Psilatricolpites sp. Van der Hammen and Wijmstra 1964 | |
Equisetopsida | |
Araucariacites australis Cookson 1947 | |
Pteridopsida | |
Waltzispora "sp. A", Granulatisporites sp., Marattisporites scabratus, Todisporites "sp. A", Todisporites major, Deltoidospora "sp. A", Deltoidospora "sp. B", Deltoidospora minor
Waltzispora "sp. A" Staplin 1960
Granulatisporites sp. Potonié and Kremp 1954
Marattisporites scabratus Couper 1958
Todisporites "sp. A" Couper 1958
Todisporites major Couper 1953
Deltoidospora "sp. A" Miner 1935
Deltoidospora "sp. B" Miner 1935
Deltoidospora minor Pocock 1970 | |
Converrucosisporites | |
Converrucosisporites "sp. A" Potonié and Kremp 1954
Converrucosisporites "sp. B" Potonié and Kremp 1954 | |
Polypodiopsida | |
Dictyophyllidites mortoni Playford and Dettmann 1965 | |
Laevigatosporites ovatus, Laevigatosporites cf. discordatus, Laevigatosporites vulgaris, Laevigatosporites gracilis
Laevigatosporites ovatus Wilson and Webster 1946
Laevigatosporites cf. discordatus Thomson and Pflug 1953
Laevigatosporites vulgaris Ibrahim 1933
Laevigatosporites gracilis Wilson and Webster 1946 | |
Gleicheniidites "sp. C" Dettmann 1963
Gleicheniidites senonicus Ross 1949
Clavifera triplex Bolkhovitina 1966 | |
Leptolepidites sp. Couper 1953 | |
Bryopsida | |
Stereisporites "sp. A" Pflug 1953
Stereisporites antiquasporites Dettmann 1963 | |
Lycopodiopsida | |
Hamulatisporis "sp. B" Krutzsch 1959 clubmoss
Lycopodiumsporites "sp. 1" Delcourt and Sprumont 1955 clubmoss | |
Neoraistrickia sp. Potonié 1956 spikemoss |