Microflora del Toarciano Inferior del arroyo Lapa (Jurassic of Argentina)

Where: Neuquen, Argentina (39.4° S, 70.4° W: paleocoordinates 38.6° S, 29.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Dactylioceras cf. tenuicostatum ammonoid zone, Early/Lower Toarcian (183.0 - 182.0 Ma)

Environment/lithology: marine; lithified, gray, silty shale

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 151449: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 03.10.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Pinopsida
 Pinales - Araucariaceae
 Pinales - Cheirolepidiaceae
Classopollis simplex Reiser and Williams 1969
Pteridopsida
  -
Lycopsida
  - Lycopodiaceae
 Life -
Micrhystridium "sp." Naumova 1968 acritarcs
 Gymnospermophyta -
Pinidae
 Cupressales - Pinidae