Bajo Comisión 1 - NFE: Late/Upper Albian - Cenomanian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Sphenopteridae
cf. Sphenopteris sp. Sternberg 1825
Polypodiopsida - Gleicheniaceae
Gleicheniidites juliensis
Polypodiopsida - Schizaeales - Schizaeaceae
cf. Mohriopsis plastica Appert 1973
Magnoliopsida
Thorhallenia informal form A
Thorhallenia informal form B
Thorhallenia dentata n. gen., n. sp. Passalia 2007
Coniferales - Cupressaceae
Athrotaxis ungeri Florin 1940
Equisetopsida - Araucariaceae
Brachyphyllum kachaikensis n. sp. Passalia 2007
see common names

Geography
Country:Argentina State/province:Santa Cruz
Coordinates: 48.9° South, 72.2° West (view map)
Paleocoordinates:56.3° South, 48.4° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Cretaceous
Key time interval:Late/Upper Albian - Cenomanian
Age range of interval:106.20000 - 93.90000 m.y. ago
Stratigraphy
Formation:Kachaike
Local section:Bajo Comisión 1-NFE Local bed:48 m
Local order:bottom to top
Stratigraphic resolution:formation
Lithology and environment
Primary lithology:planar lamination lithified "shale"
Includes fossils?Y
Environment:delta plain
Geology comments: Upper delta plain
Taphonomy
Modes of preservation:mold/impression,adpression,original cellulose
Size of fossils:macrofossils
Collection methods and comments
Collection methods:chemical,field collection
Reason for describing collection:general faunal/floral analysis
Collection method comments: Fossil specimens are deposited in the paleobotanical collection of the Argentinean Museum of Natural Sciences Bernardino Rivadavia (BA Pb and BA Pb Pm).
Metadata
Database number:150637
Authorizer:C. Jaramillo Enterer:J. Moreno
Research group:paleobotany
Created:2013-09-12 08:35:02 Last modified:2013-09-11 17:35:02
Access level:authorizer only Released:2016-09-12 08:35:02
Creative Commons license:CC BY
Reference information

Primary reference:
48170. M. G. Passalia. 2007. Nuevos registros para la flora cretácica descripta por Halle (1913) en lago San Martín, Santa Cruz, Argentina. 44(3):565-595 [C. Jaramillo/J. Moreno/J. Moreno]