Iwamura (Jurassic of Japan)

Also known as PGAP 475

Where: Japan (36.6° N, 139.2° E: paleocoordinates 47.9° N, 149.6° E)

• coordinate estimated from map

When: Iwamura Formation, Early/Lower Jurassic (201.4 - 174.7 Ma)

Environment/lithology:

Size class: macrofossils

Primary reference: T. Kimura, T. Ohana, and M. Tsujii. 1988. Early Jurassic plants in Japan. Part 8. Supplementary description and concluding remarks. Transactions and Proceedings of the Palaeontological Society of Japan (151)501-522 [A. Rees/A. Rees]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 30199: 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.
Show authors, comments, and common names
unclassified
  -
Ginkgoidium "sp. 1"
Polypodiopsida
  -
Cladophlebis "sp. 1", Cladophlebis "sp. 2", Cladophlebis "sp. 3", Cladophlebis "sp. 4", Cladophlebis "sp. 5", Cladophlebis "sp. 6", Cladophlebis "sp. 7"
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
Cladophlebis "sp. 6" Brongniart 1849
Cladophlebis "sp. 7" Brongniart 1849
 Gleicheniales - Polypodiidae
Hausmannia "sp. 1", Thaumatopteris "sp. 1"
Hausmannia "sp. 1" Dunker 1846
Thaumatopteris "sp. 1" Goeppert 1841
  - Polypodiaceae
Clathropteris "sp. 1"
Clathropteris "sp. 1" Brongniart 1828
 Equisetales - Equisetidae
Equisetites "sp. 1", Neocalamites "sp. 1"
Equisetites "sp. 1" Sternberg 1833
  - Osmundaceae
Todites "sp. 1", Todites "sp. 2", Todites "sp. 3"
Todites "sp. 1" Seward 1900
Todites "sp. 2" Seward 1900
Todites "sp. 3" Seward 1900
 Marattiales - Marattiidae
Marattia "sp. 1"
Marattia "sp. 1" Swartz 1788
 Bennettitales -
Otozamites "sp. 1", Anomozamites "sp. 1", Pterophyllum "sp. 1", Pterophyllum "sp. 2", Zamites "sp. 1", Zamites "sp. 2"
Otozamites "sp. 1" Braun 1843
Anomozamites "sp. 1" Schimper 1870
Pterophyllum "sp. 1" Brongniart 1828
Pterophyllum "sp. 2" Brongniart 1828
Zamites "sp. 1" Brongniart 1828
Zamites "sp. 2" Brongniart 1828
 Coniferales - Podocarpaceae
Podozamites "sp. 1", Podozamites "sp. 2", Podozamites "sp. 3", Podozamites "sp. 4"
Podozamites "sp. 1" Braun 1843 podocarp
Podozamites "sp. 2" Braun 1843 podocarp
Podozamites "sp. 3" Braun 1843 podocarp
Podozamites "sp. 4" Braun 1843 podocarp
Ginkgoopsida
 Ginkgoales -
Sphenobaiera "sp. 1"
 Ginkgoales - Ginkgoaceae
Ginkgo "sp. 1"
Ginkgo "sp. 1" Linnaeus 1771 ginkgo
Cycadopsida
 Cycadales - Nilssoniaceae
Pseudoctenis "sp. 1"
Pseudoctenis "sp. 1" Seward 1911 cycads
 Cycadales -
"Nilssonia "sp. 1"" = Nilsonia, "Nilssonia "sp. 2"" = Nilsonia
"Nilssonia "sp. 1"" = Nilsonia Brongniart 1825 cycads
"Nilssonia "sp. 2"" = Nilsonia Brongniart 1825 cycads
Swedenborgia
  -
Swedenborgia "sp. 1"
Swedenborgia "sp. 1" Nathorst 1876