Where: Chubut, Argentina (48.9° S, 72.2° W: paleocoordinates 55.5° S, 46.6° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Kachaike Formation, Albian to Albian (113.0 - 93.9 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; lithified, sandy sandstone and lithified, conglomeratic conglomerate
Size class: microfossils
Preservation: soft parts, original sporopollenin
Collection methods: quarrying, chemical, mechanical
Primary reference: M. G. Passalia. 2007. A mid-Cretaceous flora from the Kachaike Formation, Patagonia, Argentina. Cretaceous Research 28:830-840 [C. Jaramillo/P. Santamarina]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 150880: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 17.09.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Equisetopsida | |
Brachyphyllum "sp." Brongniart 1828
Brachyphyllum kachaikensis Passalia 2007 | |
Peltaspermopsida | |
Pachypteris crassa Townrow 1965
Pachypteris auriculata Passalia 2007 | |
Sphenopteridae | |
cf. Sphenopteris "sp. f " Sternberg 1825
Sphenopteris "sp." Sternberg 1825 | |
Polypodiopsida | |
Gleichenites juliensis Herbst 1962
Gleichenites sanmartini Herbst 1962 | |
Cladophlebis patagonica Herbst 1966 | |
Nathorstia alata Halle 1913 | |
cf. Mohriopsis plastica Appert 1973 | |
Phyllopteroides cf. laevis Cantrill and Webb 1987 | |
Ginkgoites | |
Ginkgoites skottsbergii Lundblad 1971 | |
Athrotaxis ungeri Florin 1940 cypress | |
Ptilophyllum acutifolium Morris 1840
Cycadolepis "sp." Saporta 1875 | |
Magnoliopsida | |
Magnoliopsida "morphotype a" Cronquist et al. 1996
Magnoliopsida "morphotype b" Cronquist et al. 1996
Thorhallenia dentata Passalia 2007 | |
Bryopsida | |
Muscites "sp." Brongniart 1828 | |
Aculea bifida | |
Aculea bifida Douglas 1973 |