Where: Chubut, Argentina (42.6° S, 70.0° W: paleocoordinates 44.7° S, 58.4° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Lefipán Formation, Maastrichtian (72.1 - 66.0 Ma)
Environment/lithology: terrestrial; lithified, argillaceous mudstone and lithified, sandy sandstone
Size class: microfossils
• Other: Palynomorphs
Preservation: soft parts, original sporopollenin
Collection methods: bulk, chemical, hydrochloric, hydroflouric
Primary reference: A. M. Baldoni. 1992. Palynology of the Lower Lefipan Formation (Upper Cretaceous) of Barranca de Los Perros,Chubut Province, Argentina. Part I. Cryptogam Spores and Gymnosperm Pollen. American Association of Stratigraphic Palynologists 16:117-136 [C. Jaramillo/P. Santamarina]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 150882: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 17.09.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Lycopsida | |
Foveotriletes cf. parvirectus Dettmann 1963
Foveotriletes lacunosus Partridge 1973 | |
Polypodiopsida | |
Trichotomosulcites subgranulatus Couper 1953 | |
Crybelosporites "sp." Dettmann 1963 | |
Biretisporites "sp." Delcourt et al. 1963 | |
Baculatisporites turbioensis Archangelsky 1972
Baculatisporites comaumensis Potonie 1953
Rugulatisporites chubutensis Baldoni 1992 | |
Clavifera triplex Bolkhovitina 1966
Gleicheniidites "sp." Dettmann 1963
Gleicheniidites circinidites Dettmann 1963 | |
Leptolepidites densus Archangelsky 1972
Leptolepidites macroverrucosus Schultz 1967 | |
Dictyophyllidites concavus Harris 1965 | |
Klukisporites "sp." Couper 1958 | |
Cyatheacidites annulatus Cookson 1947 | |
Pteridopsida | |
Todisporites major Couper 1953
Cyathidites "sp." Couper 1953
Cyathidites minor Couper 1953
Deltoidospora "sp." Miner 1935 | |
Cingutriletes | |
Cingutriletes australis Archangelsky 1972 | |
Angiospermae | |
Longapertites patagonicus Archangelsky 1973 palm | |
Liliacidites "sp. 1", Liliacidites "sp. 2", Liliacidites variegatus, Liliacidites cf. kaitangataensis
Liliacidites "sp. 1" Couper 1953
Liliacidites variegatus Couper 1953
Liliacidites cf. kaitangataensis Couper 1953 | |
Clavatipollenites hughesii Kemp 1968 | |
Tubulifloridites lilliei Farabee and Canright 1986 daisy | |
Tricolpites reticulatus Couper 1953 | |
Propylipollis "sp. 1", Propylipollis "sp. 2", Propylipollis lateflexus, Proteacidites truncatus, Proteacidites tenuiexinus, Triporopollenites ambiguus
Propylipollis "sp. 1" Martin and Harris 1975
Propylipollis "sp. 2" Martin and Harris 1975
Propylipollis lateflexus Baldoni and Askin 1993
Proteacidites tenuiexinus Stover 1973
Triporopollenites ambiguus Couper 1973 | |
Peninsulapollis gillii Dettmann and Jarzen 1988 | |
Schizocolpus "sp." Stover and Partridge 1973 | |
Cunoniaceae "sp." Brown 1814 | |
Bombacacidites "sp." Couper 1960 | |
Dicotyledoneae | |
Ericipites scabratus Harris 1965 heather | |
Symplocoipollenites cf. austellus Partridge 1963 sweetleaf | |
Angiospermae | |
Monosulcites minutiscabratus McIntyre 1968 | |
Magnoliopsida | |
Haloragacidites trioratus Couper 1953
Ailanthipites mulleri Milne 1988
Rousea patagonica Archangelsky 1973
Rhoipites minusculus Archangelsky 1973 | |
Microcachryidites antarcticus Couper 1953 podocarp | |
Equisetopsida | |
Araucariacites australis Cookson 1947 | |
Nyssapollenites | |
Nyssapollenites cf. pachyexinus Baldoni and Askin 1993 | |
Cycadopites | |
Cycadopites nitidus de Jersey 1964 | |
Ginkgoopsida | |
Ephedripites notensis Cookson 1957 | |
Lycopodiopsida | |
Retitriletes austroclavatidites Döring et al. 1963 clubmoss | |
Ceratosporites equalis Cookson and Dettmann 1958 clubmoss
Camarozonosporites ambigens Playford 1971 clubmoss | |
Stellidiopollis annulatus | |
Stellidiopollis ? annulatus Dettmann and Hedlund 1988 |