Cañadon Los Perros - Lefipan Formation: Maastrichtian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Polypodiopsida
- Dicksoniaceae
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Cyatheacidites annulatus
Cookson 1947
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Polypodiopsida
- Polypodiaceae
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Trichotomosulcites subgranulatus
Couper 1953
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Polypodiopsida
- Schizaeales
- Schizaeaceae
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Klukisporites informal sp.
Couper 1958
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Polypodiopsida
- Gleicheniales
- Matoniaceae
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Dictyophyllidites concavus
Harris 1965
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Polypodiopsida
- Osmundaceae
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Baculatisporites turbioensis
Archangelsky 1972
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Baculatisporites comaumensis
Potonie 1953
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Rugulatisporites chubutensis
Baldoni 1992
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Polypodiopsida
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Biretisporites informal sp.
Delcourt et al. 1963
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Polypodiopsida
- Marsileaceae
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Crybelosporites informal sp.
Dettmann 1963
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Polypodiopsida
- Gleicheniaceae
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Clavifera triplex
Bolkhovitina 1966
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Gleicheniidites informal sp.
Dettmann 1963
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Gleicheniidites circinidites
Dettmann 1963
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Polypodiopsida
- Blechnaceae
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Leptolepidites densus
Archangelsky 1972
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Leptolepidites macroverrucosus
Schultz 1967
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Lycopsida
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Foveotriletes cf. parvirectus
Dettmann 1963
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Foveotriletes lacunosus
Partridge 1973
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Pteridopsida
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Deltoidospora informal sp.
Miner 1935
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Cyathidites informal sp.
Couper 1953
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Cyathidites minor
Couper 1953
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Todisporites major
Couper 1953
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Magnoliopsida
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Ailanthipites mulleri
Milne 1988
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Baldoni and Askin 1993 | |||||||||
Haloragacidites trioratus
Couper 1953
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Baldoni and Askin 1993 | |||||||||
Rhoipites minusculus
Archangelsky 1973
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Baldoni and Askin 1993 | |||||||||
Rousea patagonica
Archangelsky 1973
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Baldoni and Askin 1993 | |||||||||
Angiospermae
- Asterales
- Asteraceae
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Tubulifloridites lilliei
Farabee and Canright 1986
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Baldoni and Askin 1993 | |||||||||
Angiospermae
- Buxales
- Didymelaceae
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Schizocolpus informal sp.
Stover and Partridge 1973
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Baldoni and Askin 1993 | |||||||||
Angiospermae
- Gunnerales
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Tricolpites reticulatus
Couper 1953
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Baldoni and Askin 1993 | |||||||||
Angiospermae
- Proteales
- Proteaceae
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Triporopollenites ambiguus
Couper 1973
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Baldoni and Askin 1993 | |||||||||
Propylipollis informal sp. 1
Martin and Harris 1975
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Baldoni and Askin 1993 | |||||||||
Propylipollis informal sp. 2
Martin and Harris 1975
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Baldoni and Askin 1993 | |||||||||
Propylipollis lateflexus
Baldoni and Askin 1993
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Baldoni and Askin 1993 | |||||||||
Proteacidites truncatus
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Baldoni and Askin 1993 | |||||||||
Proteacidites tenuiexinus
Stover 1973
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Baldoni and Askin 1993 | |||||||||
Angiospermae
- Proteales
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Peninsulapollis gillii
Dettmann and Jarzen 1988
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Baldoni and Askin 1993 | |||||||||
Angiospermae
- Chloranthales
- Chloranthaceae
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Clavatipollenites hughesii
Kemp 1968
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Baldoni and Askin 1993 | |||||||||
Angiospermae
- Liliaceae
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Liliacidites informal sp. 1
Couper 1953
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Baldoni and Askin 1993 | |||||||||
Liliacidites informal sp. 2
Couper 1953
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Baldoni and Askin 1993 | |||||||||
of Papu 1989 | ||||||||||
Liliacidites variegatus
Couper 1953
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Baldoni and Askin 1993 | |||||||||
Liliacidites cf. kaitangataensis
Couper 1953
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Baldoni and Askin 1993 | |||||||||
Angiospermae
- Arecaceae
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Longapertites patagonicus
Archangelsky 1973
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Baldoni and Askin 1993 | |||||||||
Spinizonocolpites informal sp.
Muller 1968
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Baldoni and Askin 1993 | |||||||||
of Archangelsky 1973 | ||||||||||
Angiospermae
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Monosulcites minutiscabratus
McIntyre 1968
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Angiospermae
- Malvales
- Bombacaceae
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Bombacacidites informal sp.
Couper 1960
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Baldoni and Askin 1993 | |||||||||
Angiospermae
- Oxalidales
- Cunoniaceae
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Cunoniaceae informal sp.
Brown 1814
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Baldoni and Askin 1993 | |||||||||
Angiospermae
- Ericales
- Ericaceae
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Ericipites scabratus
Harris 1965
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Baldoni and Askin 1993 | |||||||||
Angiospermae
- Ericales
- Symplocaceae
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Symplocoipollenites cf. austellus
Partridge 1963
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Baldoni and Askin 1993 | |||||||||
Coniferales
- Podocarpaceae
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Microcachryidites antarcticus
Couper 1953
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unclassified
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Cingutriletes australis
Archangelsky 1972
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Nyssapollenites cf. pachyexinus
Baldoni and Askin 1993
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Baldoni and Askin 1993 | |||||||||
Equisetopsida
- Araucariaceae
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Araucariacites australis
Cookson 1947
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Lycopodiopsida
- Selaginellales
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Ceratosporites equalis
Cookson and Dettmann 1958
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Camarozonosporites ambigens
Playford 1971
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Lycopodiopsida
- Lycopodiales
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Retitriletes austroclavatidites
Döring et al. 1963
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unclassified
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Cycadopites nitidus
de Jersey 1964
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Ginkgoopsida
- Ephedrales
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Ephedripites notensis
Cookson 1957
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unclassified
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Stellidiopollis ? annulatus
Dettmann and Hedlund 1988
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Baldoni and Askin 1993 | |||||||||
see common names |
Geography
Country: | Argentina | State/province: | Chubut |
Coordinates: | 42.6° South, 70.0° West (view map) | ||
Paleocoordinates: | 44.7° South, 58.4° West | ||
Basis of coordinate: | estimated from map | ||
Altitude: | 925 meters | ||
Geographic resolution: | outcrop |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
Key time interval: | Maastrichtian | ||
Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
Formation: | Lefipán |
Lithology and environment
Primary lithology: | lithified argillaceous mudstone |
Secondary lithology: | lithified sandy sandstone |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body,soft parts,original sporopollenin |
Size of fossils: | microfossils |
Collection methods and comments
Collection methods: | bulk,chemical,hydrochloric,hydroflouric |
Reason for describing collection: | general faunal/floral analysis |
Metadata
Database number: | 150882 | ||
Authorizer: | C. Jaramillo | Enterer: | P. Santamarina |
Modifier: | P. Santamarina | Research group: | micropaleontology |
Created: | 2013-09-17 04:44:32 | Last modified: | 2013-09-18 11:47:20 |
Access level: | authorizer only | Released: | 2018-09-17 04:44:32 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
48206. | 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] |
Secondary references:
48008 | A. M. Baldoni and R. A. Askin. 1993. Palynoogy of the Lower Lefipan Formation (Upper Cretaceous) of Barranca de los Perros, Chubut Province, Argentina. Part II. Angiosperm pollen and discussion. Palynology 17:241-264 [C. Jaramillo/P. Santamarina/P. Santamarina] |