Microflora del Neosinemuriano, final del arroyo Lapa (Jurassic of Argentina)

Where: Neuquén, Argentina (39.4° S, 70.4° W: paleocoordinates 41.5° S, 28.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Late/Upper Sinemurian (196.5 - 189.6 Ma)

Environment/lithology: marine; lithified, silty siltstone and lithified, sandy sandstone

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 151448: 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
 Pinales - Cheirolepidiaceae
Classopollis "sp." Pflug 1953
Classopollis simplex Reiser and Williams 1969
Cycadopites
  -
Cycadopites "sp." Wodehouse 1933
Cycadopites nitidus de Jersey 1964
Auritulinasporites
  -
Concavisporites
  -
Pteridopsida
  -
Todisporites major Couper 1953
Todisporites minor Couper 1953
Peromonolites "sp." Couper 1953
 Osmundales - Osmundaceae
Rugulatisporites "sp." Pflug and Thomson 1953
 Gleicheniales - Gleicheniaceae
Gleicheniidites "sp. C" Dettmann 1963
 Cyatheales - Cyatheaceae
  -
Osmundacidites "sp." Couper 1953
Baculatisporites "sp." Thomson and Pflug 1953
Deltoidospora minor Pocock 1970
Verrucosisporites
  -
Verrucosisporites "sp. E" Potonie and Kremp 1954
Lycopsida
  - Selaginellaceae
Neoraistrickia "sp." Potonié 1956
  - Lycopodiaceae
Nevesisporites vallatus
  -
Nevesisporites vallatus de Jersey and Paten 1964
 Gymnospermophyta -
Alisporites "sp." Daugherty 1941
Aratrisporites
  -
Aratrisporites "sp." Leschik 1956
Punctatisporites
  -