6228 (Cretaceous of Argentina)

Where: Santa Cruz, Argentina (48.5° S, 69.1° W: paleocoordinates 49.4° S, 35.3° W)

When: Anfiteatro de Ticó Formation (Baqueró Group), Aptian (125.0 - 113.0 Ma)

• The collection is 12 m below the dated horizon.

• bed-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; lithified, conglomeratic conglomerate

• High sinuosity rivers (Facies Association E of Limarino et al., 2012)

Size class: microfossils

Preservation: soft parts, original sporopollenin

Reposited in the MACN

Collection methods: bulk, chemical, hydrochloric, hydroflouric,

Primary reference: V.S. Perez Loinaze and M. Llorens. 2018. Palynology of the Baquero Group (upper Aptian), Patagonia Argentina: An integrated study. Cretaceous Research 86:219-237 [P. Narvaez/P. Narvaez/P. Narvaez]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 223330: authorized by Paula Narvaez, entered by Paula Narvaez on 08.11.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Polypodiopsida
  - Polypodiaceae
Trichotomosulcites microsaccatus
Equisetopsida
 Pinidae - Pinidae
Cyclusphaera psilata
Cyclusphaera psilata Volkheimer and Sepulveda 1976