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
Equisetopsida | |
Araucariacites australis Cookson 1947 | |
Psilatricolpites | |
Psilatricolpites sp. Van der Hammen and Wijmstra 1964 | |
Conbaculatisporites | |
Conbaculatisporites sp. Klaus 1960 | |
Lycopodiopsida | |
Hamulatisporis "sp. B" Krutzsch 1959 clubmoss
Lycopodiumsporites "sp. 1" Delcourt and Sprumont 1955 clubmoss | |
Neoraistrickia sp. Potonié 1956 spikemoss | |
Converrucosisporites | |
Converrucosisporites "sp. A" Potonié and Kremp 1954
Converrucosisporites "sp. B" Potonié and Kremp 1954 | |
Pteridopsida | |
Waltzispora "sp. A", Marattisporites scabratus, Deltoidospora "sp. A", Deltoidospora "sp. B", Deltoidospora minor, Granulatisporites sp., Todisporites "sp. A", Todisporites major
Waltzispora "sp. A" Staplin 1960
Marattisporites scabratus Couper 1958
Deltoidospora "sp. A" Miner 1935
Deltoidospora "sp. B" Miner 1935
Deltoidospora minor Pocock 1970
Granulatisporites sp. Potonié and Kremp 1954
Todisporites "sp. A" Couper 1958
Todisporites major Couper 1953 | |
Polypodiopsida | |
Gleicheniidites "sp. C" Dettmann 1963
Gleicheniidites senonicus Ross 1949
Clavifera triplex Bolkhovitina 1966 | |
Dictyophyllidites mortoni Playford and Dettmann 1965 | |
Laevigatosporites cf. discordatus, Laevigatosporites ovatus, Laevigatosporites gracilis, Laevigatosporites vulgaris
Laevigatosporites cf. discordatus Thomson and Pflug 1953
Laevigatosporites ovatus Wilson and Webster 1946
Laevigatosporites gracilis Wilson and Webster 1946
Laevigatosporites vulgaris Ibrahim 1933 | |
Leptolepidites sp. Couper 1953 | |
Angiospermae | |
Momipites fragilis Frederiksen and Christopher 1978 | |
Tricolpites cf. reticulatus Couper 1953
Tricolpites reticulatus Couper 1953 | |
Polypodiidites sp. Potonié 1966 | |
Anacolosidites diffusa Archangelsky 1973 | |
Triporopollenites cf. ambiguus Couper 1973 | |
Triatriopollenites cf. lateflexus Archangelsky 1973 | |
Liliacidites "sp. 1" Couper 1953
Liliacidites variegatus Couper 1953 | |
cf. Microcachryidites sp. Cookson 1947 podocarp
Podocarpidites cf. verrucosus Volkheimer 1972 podocarp | |
Magnoliopsida | |
Rousea cf. patagonica Archangelsky 1973 | |
Bryopsida | |
Stereisporites "sp. A" Pflug 1953
Stereisporites antiquasporites Dettmann 1963 |