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