Where: Santa Cruz, Argentina (49.2° S, 72.1° W: paleocoordinates 51.4° S, 39.6° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Kachaike Formation, Late/Upper Aptian to Late/Upper Aptian (122.5 - 109.0 Ma)
• Reported as "una antiguedad Cretacico inferior (Aptiano-Albiano) o mas precisamente Aptiano superior-Albiano inferior (p. 676)" based on pollen and spores and megaspores"
Environment/lithology: shale
Size class: microfossils
Preservation: original sporopollenin
Collection methods: surface (in situ), chemical, sieve,
Primary reference: A. M. Baldoni. 1987. Dos nuevas especies de megasporas de la Formacion Kachaike, Cretacico Inferior de Santa Cruz, Argentina. Anais do X Congreso Brasileiro de Paleontologia, Sociedade Brasileira de Paleontologia 2:669-689 [R. Lupia/R. Lupia/R. Lupia]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 32202: authorized by Rick Lupia, entered by Rick Lupia on 10.06.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Pteridopsida | |
Arcellites santacrucensis Baldoni 1987 |