Microflora del Aaleniano Inferior de Charahuilla (Jurassic of Argentina)

Where: Neuquén, Argentina (39.4° S, 70.4° W: paleocoordinates 37.4° S, 30.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Early/Lower Aalenian (175.6 - 171.6 Ma)

Environment/lithology: marine; lithified, gray siltstone

Size class: microfossils

• Other: Palynomorphs

Preservation: soft parts, original sporopollenin

Collection methods: bulk, chemical, hydrochloric, hydroflouric,

Primary reference: W. Volkheimer. 1971. Algunos adelantos de la microbioestratigrafía del Jurásico en la Argentina y comparación con otras regiones del Hemisferio Austral. Ameghiniana VIII(3 - 4):341-355 [C. Jaramillo/P. Santamarina]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 151451: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 03.10.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Pinopsida
 Pinales - Podocarpaceae
 Pinales - Araucariaceae
Araucariacites "sp." Cookson and Couper 1953
 Pinales - Cheirolepidiaceae
Classopollis "sp." Pflug 1953
Classopollis simplex Reiser and Williams 1969
 Pinales -
Polycingulatisporites
  -
Polycingulatisporites "sp." Simoncsics and Kedves 1961
Pteridopsida
  -
Deltoidospora minor Pocock 1970
 Life -
Leiosphaeridia pusilla Madler 1963 acritarcs
 Gymnospermophyta -
Pinidae
 Cupressales - Pinidae