Microflora Neosinemuriana del Arroyo Tin-Tin (Jurassic of Argentina)

Where: Neuquén, Argentina (39.4° S, 70.4° W: paleocoordinates 41.4° S, 28.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: "Oxynoticeras" behrendseni ammonoid zone, Late/Upper Sinemurian (196.5 - 189.6 Ma)

Environment/lithology: marine; lithified, carbonaceous limestone

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 151447: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 03.10.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Pinopsida
 Pinales - Podocarpaceae
Podocarpidites "sp." Cookson 1947
 Pinales - Araucariaceae
Araucariacites fissus Reiser and Williams 1969
 Pinales - Cheirolepidiaceae
Classopollis simplex Reiser and Williams 1969
Cycadopites
  -
Cycadopites "sp," Wodehouse 1933
Cycadopites cf. punctatus Volkheimer 1968
Concavisporites
  -
Concavisporites "sp." Delcourt and Sprumont 1955
Pteridopsida
 Osmundales - Osmundaceae
Rugulatisporites "sp." Pflug and Thomson 1953
 Gleicheniales - Gleicheniaceae
Gleicheniidites "sp." Dettmann 1963
  -
Baculatisporites "sp." Thomson and Pflug 1953
Deltoidospora minor Pocock 1970
Lycopsida
  - Selaginellaceae
Ceratosporites "sp." Cookson and Dettmann 1958
  - Lycopodiaceae
 Gymnospermophyta -
Vitreisporites "sp." Leschik 1955