Where: Santa Cruz, Argentina (49.2° S, 72.1° W: paleocoordinates 51.4° S, 39.6° W)
• coordinate based on nearby landmark
• outcrop-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."fangolita" probably translated loosely as mudstone [fango = mud], but entered as "shale" to be conservative
• formation-level stratigraphic resolution
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 32199: authorized by Rick Lupia, entered by Rick Lupia on 10.06.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
| |
Polypodiopsida | |
Gleicheniaceae indet. Presl | |
Baculatisporites sp. Thomson and Pflug 1953 | |
Dicksoniaceae indet. Schomb 1849 | |
Cyatheaceae indet. Kaulfuss 1827 scaly tree fern | |
Pteridopsida | |
Arcellites disciformis Miner 1935 | |
Algae | |
| |
Dictyothylakos | |
| |
Bacutriletes | |
Bacutriletes triangulatus Taylor and Taylor 1988 | |
Equisetopsida | |
| |
Lycopodiopsida | |
Minerisporites sp. Potonie 1956 clubmoss
Minerisporites cf. marginatus Potonie 1956 clubmoss | |
Selaginellaceae indet. Willkomm 1854 spikemoss | |
Tenellisporites | |
Tenellisporites coronatus n. sp.
Tenellisporites coronatus n. sp. Baldoni and Batten 1991 |