Also known as PGAP 99
Where: Tarapaca, Chile (20.2° S, 69.4° W: paleocoordinates 18.7° S, 35.0° W)
• coordinate estimated from map
When: Chacarilla Formation, Middle Jurassic to Middle Jurassic (174.1 - 145.0 Ma)
• Formacion Chacarilla is "Oxfordian in part" - Oliver & Menendez, 1968, p.166
Environment/lithology:
Size class: macrofossils
Primary reference: C. G. Oliver and C.A. Menendez. 1968. Geologia de la Quebrada Juan de Morales, Tarapaca, Chile y su flora Jurasica. Terceras Jornadas Geologicas Argentinas 163-171 [A. Rees/A. Rees]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 29505: authorized by Allister Rees, entered by Allister Rees on 02.04.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Ginkgoopsida | |
Baiera "sp. 1" Braun 1843 | |
Cycadopsida | |
Taeniopteris "sp. 1" Brongniart 1828 cycads
"Nilssonia "sp. 1"" = Nilsonia Brongniart 1825 cycads
"Nilssonia "sp. 2"" = Nilsonia Brongniart 1825 cycads | |
Equisetopsida | |
Brachyphyllum "sp. 1" Brongniart 1828 | |
Pterophyllum "sp. 1" Brongniart 1828
Pterophyllum "sp. 2" Brongniart 1828
Ptilophyllum "sp. 1" Morris 1840
Anomozamites "sp. 1" Schimper 1870 | |
Polypodiopsida | |
Equisetites "sp. 1" Sternberg 1833 | |
Gleichenites "sp. 1" Göppert 1836 | |
Dictyophyllum "sp. 1" Lindley and Hutton 1834 | |
Cladophlebis "sp. 1" Brongniart 1849 | |
Cycadites | |
Cycadites "sp. 1" Schenk 1864 |