Arroyo Calmu Co: Late/Upper Campanian - Early/Lower Maastrichtian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Pilula cf. penita
Chlorophyceae
Pediastrum aff. boryanum Meneghini 1840
Chlorophyceae - Scenedesmaceae
Scenedesmus aff. bijuga
Equisetopsida - Cheirolepidiaceae
Classopollis intrareticulatus microspore Volkheimer 1972
Classopollis classoides microspore Pflug 1953
Frenelopsis sp. plant debris Schenk 1869
Álvarez-Ramis et al. 2004
Equisetopsida - Araucariaceae
Araucariaceae indet. multi organs Henckel and Hochstetter 1865
Álvarez-Ramis et al. 2004
cone portion, branch and leaf remains
Brachyphyllum sp. plant debris Brongniart 1828
Álvarez-Ramis et al. 2004
Araucaria mirabilis seed/fruit
Álvarez-Ramis et al. 2004
Cone
Araucariacites australis microspore Cookson 1947
Cyclusphaera euribei microspore Elsik 1966
Angiospermae - Fagales
Nothofagidites rocaensis microspore Romero 1973
Angiospermae - Buxales
Tuberculatosporites parvus microspore Archangelsky 1972
Angiospermae - Gunnerales
Tricolpites reticulatus microspore Couper 1953
Angiospermae - Proteales - Proteaceae
Propylipollis tenuiexinus microspore Dettmann and Jarzen 1996
Propylipollis ambiguus microspore Dettmann and Jarzen 1996
Angiospermae - Proteales
Triatriopollenites sp. microspore Thomson and Pflug 1953
Triatriopollenites lateflexus microspore Archangelsky 1973
Peninsulapollis gillii microspore Dettmann and Jarzen 1988
Angiospermae - Santalales
Anacolosidites diffusa microspore Archangelsky 1973
Angiospermae - Liliaceae
Liliacidites informal sp. 2 microspore Couper 1953
Liliacidites crassibaculatus microspore Freile 1972
Liliacidites kaitangataensis microspore Couper 1953
Angiospermae - Arecaceae
Spinizonocolpites sp. microspore Muller 1968
Palmophyllum sp. plant debris Conwentz 1886
Álvarez-Ramis et al. 2004
Flabellaria sp. plant debris Sternberg 1821
Álvarez-Ramis et al. 2004
Angiospermae - Nymphaeales - Nymphaeaceae
Nymphaeites sp. plant debris Sternberg 1825
Álvarez-Ramis et al. 2004
Coniferales - Podocarpaceae
Podocarpaceae informal Cycadaceae? plant debris
Álvarez-Ramis et al. 2004
Podocarpidites sp. microspore Cookson 1947
Podocarpidites elegans microspore Romero 1977
Callialasporites trilobatus microspore (Balme 1957)
original and current combination Tsugaepollenites trilobatus
Microcachryidites antarcticus microspore Couper 1953
Pinopsida - Pinales - Taxaceae
Geinitzia sp. sterile axis Endlicher 1847
Álvarez-Ramis et al. 2004
Pinopsida - Pinales - Taxodiaceae
Taxodiaceae indet. plant debris Saporta 1865
Álvarez-Ramis et al. 2004
Magnoliopsida
Rhoipites informal sp. B microspore Wodehouse 1933
Striatricolporites gamerroi microspore Archangelsky 1973
Psilatricolporites sp. microspore Pierce 1961
Algae - Botryococcaceae
Botryococcus sp. Kutzing 1849
Lycopodiopsida - Selaginellales - Selaginellaceae
Neoraistrickia sp. microspore Potonié 1956
Lycopodiopsida - Lycopodiales
Retitriletes austroclavatidites microspore Döring et al. 1963
Lycopodiopsida - Isoetales - Isoetaceae
Echinosporis sp. microspore Krutzsch 1967
Marchantiopsida - Marchantiidae
Triporoletes asper microspore Srivastava 1972
Bryopsida
Stereisporites maastrichtiensis microspore
Tripunctisporis
Stereisporites antiquasporites microspore Dettmann 1963
unclassified
Rouseisporites reticulatus microspore Pocock 1962
Apiculatisporis sp. microspore Potonié and Kremp 1956
Pteridopsida
Osmundacidites sp. microspore Couper 1953
Matonisporites sp. microspore Couper 1958
Grapnelispora loncochensis microspore Papu 1997
Grapnelispora loncochensis Papu 1997
Puebla et al. 2015
Papú 1997
Todisporites minor microspore Couper 1953
Ischyosporites gremius microspore Stover 1973
Deltoidospora australis microspore Pocock 1970
Deltoidospora minor microspore Pocock 1970
Polypodiopsida
Biretisporites cf. crassilabratus microspore Archangelsky 1972
Polypodiopsida - Polypodiaceae
Laevigatosporites ovatus microspore Wilson and Webster 1946
Polypodiopsida - Marsileaceae
Crybelosporites pannuceus Srivastava 1977
Puebla et al. 2015
Crybelosporites striatus Dettmann 1963
Puebla et al. 2015
Polypodiopsida - Dicksoniaceae
Cyatheacidites annulatus microspore Cookson 1947
Polypodiopsida - Gleicheniaceae
Gleicheniidites senonicus microspore Ross 1949
Clavifera triplex microspore Bolkhovitina 1966
Polypodiopsida
Verrucosisporites sp. microspore Potonie and Kremp 1954
Polypodiopsida - Schizaeales - Schizaeaceae
Klukisporites sp. microspore Couper 1958
Klukisporites variegatus microspore Couper 1958
Polypodiopsida - Salviniales - Salviniaceae
Azolla rhizosperma microspore
Azolla cretacea microspore
Polypodiopsida - Salviniales - Azollaceae
Azollopsis polyancyra microspore
Polypodiopsida - Gleicheniales - Matoniaceae
Dictyophyllidites mortoni microspore Playford and Dettmann 1965
unclassified
Cycadopites spp. microspore
Ginkgoopsida - Ephedrales
Equisetosporites multicostatus microspore Norris 1967
unclassified
Limbicysta sp. Marshall 1989
Salvinia aff. preauriculata plant debris Berry 1925
Álvarez-Ramis et al. 2004
    = Mendozaphyllum loncochense Puebla et al. 2015
Puebla et al. 2015
Mendozaphyllum loncochense Puebla et al. 2015
Puebla et al. 2015
see common names

Geography
Country:Argentina State/province:Mendoza County:Malargüe
Coordinates: 36.5° South, 69.8° West (view map)
Paleocoordinates:39.1° South, 55.0° West
Basis of coordinate:estimated from map
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Key time interval:Late/Upper Campanian - Early/Lower Maastrichtian
Age range of interval:83.60000 - 66.00000 m.y. ago
Stratigraphy
Formation:Loncoche
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:"cross stratification",fine,medium sandstone
Secondary lithology:tabular siltstone
Includes fossils?Y
Environment:"floodplain"
Taphonomy
Modes of preservation:mold/impression,original sporopollenin
Size of fossils:macrofossils,microfossils
Fragmentation:frequent
Collection methods and comments
Collection methods:chemical,hydrochloric,hydroflouric,sieve
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: MPLP (Mendoza-Paleopalinoteca-Laboratorio de Paleopalinología); Macrofossils at IANIGLA-CRICYT, Mendoza-Argentina.
Taxonomic list comments:Counts of 300 specimens (palynomorphs).
Metadata
Also known as:Loncoche Fm.
Database number:168549
Authorizer:C. Jaramillo, P. Wilf Enterer:C. Jaramillo, E. Stiles
Modifier:P. Mannion
Created:2015-04-24 14:08:35 Last modified:2017-09-29 08:12:15
Access level:the public Released:2015-04-24 14:08:35
Creative Commons license:CC BY
Reference information

Primary reference:
55144. O. H. Papú. 2002. Nueva microflora de edad maastichtiana en la localidad de Calmu-Co, sur de Mendoza, Argentina. Ameghiniana 39(4):415-426 [C. Jaramillo/C. Jaramillo]

Secondary references:

55146 C. Álvarez-Ramis, M. Prámparo, and O. H. Papú. 2004. Estudio preliminar de paleofloras cretácicas procedentes de la base de la Formación Loncoche (Mendoza, Argentina). Coloquios de Paleontología 54:7-14 [C. Jaramillo/C. Jaramillo/M. Uhen]
66607 G. G. Puebla, M. B. Prámparo, and M. A. Gandolfo. 2015. Aquatic ferns from the Upper Cretaceous Loncoche Formation, Mendoza, central-western, Argentina. Plant Systematics and Evolution 301(2):577-588 [P. Wilf/E. Stiles]