Arroyo Calmu Co (Cretaceous to of Argentina)

Also known as Loncoche Fm.

Where: Mendoza, Argentina (36.5° S, 69.8° W: paleocoordinates 39.1° S, 55.0° W)

• coordinate estimated from map

When: Loncoche Formation, Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: "floodplain"; fine-grained, medium sandstone and tabular siltstone

Size classes: macrofossils, microfossils

Preservation: mold/impression, original sporopollenin

Collection methods: chemical, hydrochloric, hydroflouric, sieve

• Repository: MPLP (Mendoza-Paleopalinoteca-Laboratorio de Paleopalinología); Macrofossils at IANIGLA-CRICYT, Mendoza-Argentina.

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 168549: authorized by Carlos Jaramillo, entered by Carlos Jaramillo on 24.04.2015, edited by Elena Stiles

Creative Commons license: CC BY (attribution)

Taxonomic list

• Counts of 300 specimens (palynomorphs).
Show authors, comments, and common names
Pilula
  -
Pilula cf. penita
Algae
  - Botryococcaceae
Botryococcus sp.
Botryococcus sp. Kutzing 1849
Pteridopsida
  -
Matonisporites sp., Todisporites minor, Osmundacidites sp., Ischyosporites gremius, Deltoidospora minor, Deltoidospora australis, Grapnelispora loncochensis, Grapnelispora loncochensis2
Matonisporites sp. Couper 1958
Todisporites minor Couper 1953
Osmundacidites sp. Couper 1953
Deltoidospora minor Pocock 1970
Grapnelispora loncochensis2 Papu 1997
Papú 1997
Polypodiopsida
  -
Biretisporites cf. crassilabratus
  - Polypodiaceae
Laevigatosporites ovatus
Laevigatosporites ovatus Wilson and Webster 1946
  - Dicksoniaceae
Cyatheacidites annulatus
  -
Verrucosisporites sp.
Verrucosisporites sp. Potonie and Kremp 1954
  - Marsileaceae
Crybelosporites pannuceus2, Crybelosporites striatus2
Crybelosporites pannuceus2 Srivastava 1977
Crybelosporites striatus2 Dettmann 1963
  - Gleicheniaceae
Clavifera triplex, Gleicheniidites senonicus
Clavifera triplex Bolkhovitina 1966
 Schizaeales - Polypodiidae
Klukisporites sp., Klukisporites variegatus
Klukisporites sp. Couper 1958
 Gleicheniales - Polypodiidae
Dictyophyllidites mortoni
Dictyophyllidites mortoni Playford and Dettmann 1965
 Salviniales - Polypodiidae
Azollopsis polyancyra, Azolla rhizosperma, Azolla cretacea
Apiculatisporis
  -
Apiculatisporis sp.
Apiculatisporis sp. Potonié and Kremp 1956
 Coniferales - Podocarpaceae
Podocarpaceae "Cycadaceae?"1, Podocarpidites sp., Podocarpidites elegans, Microcachryidites antarcticus, Callialasporites trilobatus
Podocarpaceae "Cycadaceae?"1 Endlicher 1847 podocarp
Podocarpidites sp. Cookson 1947 podocarp
Podocarpidites elegans Romero 1977 podocarp
Microcachryidites antarcticus Couper 1953 podocarp
Callialasporites trilobatus Balme 1957 podocarp
Pinopsida
 Pinales - Taxodiaceae
Taxodiaceae indet.1
Taxodiaceae indet.1 Saporta 1865
 Pinales - Taxaceae
Geinitzia sp.1
Geinitzia sp.1 Endlicher 1847 yew
Magnoliopsida
  -
Psilatricolporites sp., Rhoipites "sp. B", Striatricolporites gamerroi
Rhoipites "sp. B" Wodehouse 1933
Striatricolporites gamerroi Archangelsky 1973
Angiospermae
 Fagales -
Nothofagidites rocaensis
 Nymphaeales - Nymphaeaceae
Nymphaeites sp.1
Nymphaeites sp.1 Sternberg 1825 water lily
 Santalales -
Anacolosidites diffusa
Anacolosidites diffusa Archangelsky 1973
 Buxales -
Tuberculatosporites parvus
Tuberculatosporites parvus Archangelsky 1972
 Gunnerales -
Tricolpites reticulatus
 Proteales -
Peninsulapollis gillii
Peninsulapollis gillii Dettmann and Jarzen 1988
 Proteales - Proteaceae
Propylipollis ambiguus, Propylipollis tenuiexinus
Propylipollis ambiguus Dettmann and Jarzen 1996
Propylipollis tenuiexinus Dettmann and Jarzen 1996
 Proteales -
Triatriopollenites sp., Triatriopollenites lateflexus
Triatriopollenites sp. Thomson and Pflug 1953
Triatriopollenites lateflexus Archangelsky 1973
 Mesangiosperms - Arecaceae
Palmophyllum sp.1, Spinizonocolpites sp., Flabellaria sp.1
Palmophyllum sp.1 Conwentz 1886 palm
Spinizonocolpites sp. Muller 1968 palm
Flabellaria sp.1 Sternberg 1821 palm
 Mesangiosperms - Liliaceae
Liliacidites "sp. 2", Liliacidites kaitangataensis, Liliacidites crassibaculatus
Marchantiopsida
  - Marchantiidae
Triporoletes asper
Triporoletes asper Srivastava 1972
Bryopsida
  -
Stereisporites maastrichtiensis, Stereisporites antiquasporites
Rouseisporites reticulatus
  -
Rouseisporites reticulatus
Equisetopsida
 Pinidae - Pinidae
Araucariaceae indet.1, Araucariacites australis, Cyclusphaera euribei, Araucaria mirabilis1, Brachyphyllum sp.1, Frenelopsis sp.1, Classopollis intrareticulatus, Classopollis classoides
Araucariaceae indet.1 Henckel and Hochstetter 1865
cone portion, branch and leaf remains
Brachyphyllum sp.1 Brongniart 1828
Frenelopsis sp.1 Schenk 1869
Lycopodiopsida
 Selaginellales - Selaginellaceae
Neoraistrickia sp.
Neoraistrickia sp. Potonié 1956 spikemoss
 Isoetales - Isoetaceae
Echinosporis sp.
Echinosporis sp. Krutzsch 1967 clubmoss
 Lycopodiales -
Retitriletes austroclavatidites
Retitriletes austroclavatidites Döring et al. 1963 clubmoss
Ginkgoopsida
 Ephedrales -
Equisetosporites multicostatus
Cycadopites
  -
Cycadopites spp.
Cycadopites spp. Wodehouse 1933
Chlorophyceae
  - Scenedesmaceae
Scenedesmus aff. bijuga
  -
Pediastrum aff. boryanum
Pediastrum aff. boryanum Meneghini 1840
 Life -
Limbicysta sp.
Limbicysta sp. Marshall 1989 acritarchs
Mendozaphyllum loncochense
  -
Mendozaphyllum loncochense2, Mendozaphyllum loncochense2
Mendozaphyllum loncochense2 Puebla et al. 2015
Mendozaphyllum loncochense2 Puebla et al. 2015
1Álvarez-Ramis et al. 2004; 2Puebla et al. 2015