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).
unclassified
  -
Pilula
  -
Chlorophyceae
  - Scenedesmaceae
  -
Botryococcus sp. Kutzing 1849
Pediastrum aff. boryanum Meneghini 1840
Pinopsida
 Pinales - Podocarpaceae
 Pinales - Araucariaceae
Araucariaceae indet.1 Henckel and Hochstetter 1865
cone portion, branch and leaf remains
 Pinales - Cheirolepidiaceae
Frenelopsis sp.1 Fontaine 1889
 Pinales -
Brachyphyllum sp.1 Brongniart 1828
Geinitzia sp.1 Endlicher 1847
 Pinales - Taxodiaceae
Taxodiaceae indet.1 Saporta 1865
Monocotyledoneae
 Arecales -
 Liliales - Liliidae
Cycadopsida
 Gnetales -
Cycadopites
  -
Cycadopites spp. Wodehouse 1933
Pteridopsida
  -
Todisporites minor Couper 1953
Laevigatosporites ovatus Wilson and Webster 1946
Matonisporites sp. Couper 1958
Apiculatisporis sp. Potonié and Kremp 1956
 Salviniales - Marsileaceae
Crybelosporites pannuceus2 Srivastava 1977
Crybelosporites striatus2 Dettmann 1963
 Salviniales - Azollaceae
 Schizaeales - Schizaeaceae
 Gleicheniales - Matoniaceae
Dictyophyllidites mortoni Playford and Dettmann 1965
 Gleicheniales - Gleicheniaceae
Clavifera triplex Bolkhovitina 1966
 Cyatheales -
  -
Verrucosisporites
  -
Verrucosisporites sp. Potonie and Kremp 1954
Lycopsida
  - Selaginellaceae
Neoraistrickia sp. Potonié 1956
  - Lycopodiaceae
Retitriletes austroclavatidites Döring et al. 1963
  - Isoetaceae
Echinosporis sp. Krutzsch 1967
Bryopsida
  -
Rouseisporites reticulatus
  -
Magnoliopsida
  -
Rhoipites "sp. B" Wodehouse 1933
 Santalales -
Anacolosidites diffusa Archangelsky 1973
 Proteales -
Triatriopollenites sp. Thomson and Pflug 1953
Triatriopollenites lateflexus Archangelsky 1973
 Proteales - Proteaceae
Propylipollis tenuiexinus Dettmann and Jarzen 1996
Propylipollis ambiguus Dettmann and Jarzen 1996
 Proteales -
Peninsulapollis gillii Dettmann and Jarzen 1988
 Fagales -
  -
 Life -
Limbicysta sp. Marshall 1989 acritarcs
Mendozaphyllum loncochense
  -
Mendozaphyllum loncochense2 Puebla et al. 2015
Mendozaphyllum loncochense2 Puebla et al. 2015