C. Meschio (Jurassic to of Argentina)

Also known as PGAP 503

Where: Chubut, Argentina (43.7° S, 69.7° W: paleocoordinates 41.6° S, 28.6° W)

• coordinate estimated from map

When: Osta Arena Formation (Pampa de Agnia Group), Toarcian to Toarcian (182.7 - 170.3 Ma)

• Age assigned by Stipanicic and Bonetti (1970a). Osta Arena Fmn. grades laterally into the Cabeza de Cristiano Fmn. (Herbst 1966b)

Environment/lithology:

Size class: macrofossils

Collection methods: Baldoni (1987) lists additional genera to those given by Stipanicic and Bonetti (1970a)

Primary reference: P.N. Stipanicic and M.I.R. Bonetti. 1970. Posiciones estratigraficas y edades de las principales floras jurasicas argentinas. I. Floras liasicas. Ameghiniana 7(1):57-78 [A. Rees/A. Rees]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 29370: 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.
Scleropteris
  -
Scleropteris "sp. 1" Saporta 1872
Scleropteris "sp. 2" Saporta 1872
Polypodiopsida
  -
Cladophlebis "sp. 1" Brongniart 1849
Cladophlebis "sp. 2" Brongniart 1849
Cladophlebis "sp. 3" Brongniart 1849
 Gleicheniales - Polypodiidae
Thaumatopteris "sp. 1" Goeppert 1841
 Cyatheales - Polypodiidae
Coniopteris "sp. 1" Brongniart 1849 scaly tree fern
 Bennettitales -
Otozamites "sp. 1" Braun 1843
Otozamites "sp. 2" Braun 1843
Otozamites "sp. 3" Braun 1843
Otozamites "sp. 4" Braun 1843
Otozamites "sp. 5" Braun 1843
Ginkgoopsida
 Caytoniales - Caytoniaceae
Ginkgoites
  -
Ginkgoites "sp. 1" Seward 1919
Equisetopsida
 Pinidae - Pinidae
Brachyphyllum "sp. 1" Brongniart 1828