Quebrada Juan de Morales (Jurassic to of Chile)

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

• Genus-level assignments and numbers of species are from the PGAP database. Species names are in the process of being entered.
Equisetopsida
 Pinidae - Pinidae
Brachyphyllum "sp. 1" Brongniart 1828
Polypodiopsida
  - Gleicheniaceae
Gleichenites "sp. 1" Göppert 1836
  -
Cladophlebis "sp. 1" Brongniart 1849
 Gleicheniales - Polypodiidae
Dictyophyllum "sp. 1" Lindley and Hutton 1834
 Equisetales - Equisetidae
Equisetites "sp. 1" Sternberg 1833
Cycadopsida
 Cycadales -
Taeniopteris "sp. 1", "Nilssonia "sp. 1"" = Nilsonia, "Nilssonia "sp. 2"" = Nilsonia
Taeniopteris "sp. 1" Brongniart 1828 cycads
"Nilssonia "sp. 1"" = Nilsonia Brongniart 1825 cycads
"Nilssonia "sp. 2"" = Nilsonia Brongniart 1825 cycads
Ginkgoopsida
 Ginkgoales - Ginkgoaceae
Baiera "sp. 1" Braun 1843
 Bennettitales -
Pterophyllum "sp. 1" Brongniart 1828
Pterophyllum "sp. 2" Brongniart 1828
Ptilophyllum "sp. 1" Morris 1840
Anomozamites "sp. 1" Schimper 1870
Cycadites
  -
Cycadites "sp. 1" Schenk 1864