Lago Argentino (Jurassic to of Argentina)

Also known as PGAP 18

Where: Santa Cruz, Argentina (50.1° S, 73.4° W: paleocoordinates 47.4° S, 31.5° W)

• coordinate estimated from map

When: Middle Jurassic to Middle Jurassic (174.1 - 145.0 Ma)

• High levels of the Middle Jurassic or better still in the Upper Jurassic (Baldoni, 1981b, p.98)

Environment/lithology:

Size class: macrofossils

Collection methods: Components of this flora first listed in an abstract by Bonetti (1974), descriptions of some of the taxa given by Baldoni (1981b)

Primary reference: A. M. Baldoni. 1981. Tafoflora del Jurasico superior de la zona de Lago Argentino provincia de Santa Cruz, Republica Argentina. Ameghiniana 18:97-102 [A. Rees/A. Rees]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 29371: authorized by Allister Rees, entered by Allister Rees on 02.04.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

• Genus-level assignments and numbers of species are from the PGAP database. Species names are in the process of being entered.
unclassified
  -
Cycadeoideopsida
 Bennettitales -
Otozamites "sp. 1" Braun 1843
Otozamites "sp. 2" Braun 1843
Ptilophyllum "sp. 1" Morris 1840
Pinopsida
 Pinales - Podocarpaceae
 Pinales - Araucariaceae
Araucaria "sp. 1" de Jussieu 1789
 Pinales -
Brachyphyllum "sp. 1" Brongniart 1828
Ginkgoopsida
 Caytoniales - Caytoniaceae
Pteridopsida
 Osmundales - Osmundaceae
Todites "sp. 1" Seward 1900
 Cyatheales - Dicksoniaceae
Coniopteris "sp. 1" Brongniart 1849