Toyora (Jurassic of Japan)

Also known as PGAP 336

Where: Yamaguchi, Japan (34.2° N, 131.3° E: paleocoordinates 42.3° N, 135.9° E)

• coordinate estimated from map

When: Utano Formation, Middle Jurassic (174.1 - 163.5 Ma)

Environment/lithology:

Size class: macrofossils

Primary reference: T. Kimura. 1987. Recent knowledge of Jurassic and Early Cretaceous Floras in Japan and Phytogeography of this Time in East Asia. Bulletin of Tokyo Gakugei University Section IV 39:87-115 [A. Rees/A. Rees]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 30208: 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 -
Zamites "sp. 1" Brongniart 1828
Zamites "sp. 2" Brongniart 1828
Zamites "sp. 3" Brongniart 1828
Zamites "sp. 4" Brongniart 1828
Williamsonia "sp. 1" Carruthers 1870
Otozamites "sp. 1" Braun 1843
Otozamites "sp. 2" Braun 1843
Pterophyllum "sp. 1" Brongniart 1828
Ptilophyllum "sp. 1" Morris 1840
Ptilophyllum "sp. 2" Morris 1840
Ptilophyllum "sp. 3" Morris 1840
Peltaspermopsida
 Peltaspermales - Umkomasiaceae
Pachypteris "sp. 1" Brongniart 1828
Pinopsida
 Pinales - Podocarpaceae
 Pinales - Araucariaceae
 Pinales -
Brachyphyllum "sp. 1" Brongniart 1828
Ginkgoopsida
 Ginkgoales - Ginkgoaceae
Ginkgo "sp. 1" Linnaeus 1771 ginkgo
 Pentoxylales - Pentoxylaceae
Taeniopteris "sp. 1" Brongniart 1828
Taeniopteris "sp. 2" Brongniart 1828
 Caytoniales - Caytoniaceae
 Czekanowskiales -
Cycadopsida
 Cycadales -
"Nilssonia "sp. 1"" = Nilsonia, "Nilssonia "sp. 2"" = Nilsonia
"Nilssonia "sp. 1"" = Nilsonia Brongniart 1825 cycads
"Nilssonia "sp. 2"" = Nilsonia Brongniart 1825 cycads
Pteridopsida
  -
Onychiopsis "sp. 1" Yokoyama 1895
Cladophlebis "sp. 1" Brongniart 1849
Cladophlebis "sp. 2" Brongniart 1849
Cladophlebis "sp. 3" Brongniart 1849
Cladophlebis "sp. 4" Brongniart 1849
Cladophlebis "sp. 5" Brongniart 1849
 Cyatheales - Dicksoniaceae
Coniopteris "sp. 1" Brongniart 1849
 Polypodiales -
 Polypodiales - Pteridaceae
Adiantopteris "sp. 1" Vassilevskaja 1963
Adiantopteris "sp. 2" Vassilevskaja 1963
Sphenopteridae
  - Sphenopteridae
Sphenopteris "sp. 1" Sternberg 1825
Sphenopteris "sp. 2" Sternberg 1825
Sphenopteris "sp. 3" Sternberg 1825
Sphenopteris "sp. 4" Sternberg 1825
Sphenopteris "sp. 5" Sternberg 1825
Sphenopteris "sp. 6" Sternberg 1825
Phlebopteris
  -