Oginohama (Jurassic of Japan)

Also known as PGAP 340

Where: Miyagi, Japan (38.4° N, 141.5° E: paleocoordinates 45.9° N, 144.6° E)

• coordinate estimated from map

When: Oginohama Formation, Late/Upper Jurassic (161.5 - 145.0 Ma)

• Age based on ammonites

Environment/lithology:

Size class: macrofossils

Primary reference: T. Kimura and T. Ohana. 1989. Late Jurassic Plants from the Oginohama Formation, Oshika Group in the Outer Zone of Northeast Japan (I). Bulletin of the National Science Museum, Tokyo, Series C 15(1):1-24 [A. Rees/A. Rees]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 30198: 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
Equisetopsida
 Pinidae - Pinidae
Cupressinocladus "sp. 1", Cupressinocladus "sp. 2"
Sphenopteridae
  - Sphenopteridae
Sphenopteris "sp. 1"
Sphenopteris "sp. 1" Sternberg 1825
Cycadopsida
 Cycadales -
Taeniopteris "sp. 1", "Nilssonia "sp. 1"" = Nilsonia, "Nilssonia "sp. 2"" = Nilsonia, "Nilssonia "sp. 3"" = Nilsonia
Taeniopteris "sp. 1" Brongniart 1828 cycads
"Nilssonia "sp. 1"" = Nilsonia Brongniart 1825 cycads
"Nilssonia "sp. 2"" = Nilsonia Brongniart 1825 cycads
"Nilssonia "sp. 3"" = Nilsonia Brongniart 1825 cycads
 Cycadales - Nilssoniaceae
Pseudoctenis "sp. 1"
Pseudoctenis "sp. 1" Seward 1911 cycads
 Bennettitales -
Ptilophyllum "sp. 1", Ptilophyllum "sp. 2", Ptilophyllum "sp. 3", Williamsonia "sp. 1", Pterophyllum "sp. 1", Zamites "sp. 1", Zamites "sp. 2", Zamites "sp. 3", Zamites "sp. 4", Zamites "sp. 5", Zamites "sp. 6", Zamites "sp. 7", Weltrichia "sp. 1"
Ptilophyllum "sp. 2" Morris 1840
Ptilophyllum "sp. 3" Morris 1840
Williamsonia "sp. 1" Carruthers 1870
Pterophyllum "sp. 1" Brongniart 1828
Zamites "sp. 1" Brongniart 1828
Zamites "sp. 2" Brongniart 1828
Zamites "sp. 3" Brongniart 1828
Zamites "sp. 4" Brongniart 1828
Zamites "sp. 5" Brongniart 1828
Zamites "sp. 6" Brongniart 1828
Zamites "sp. 7" Brongniart 1828
Weltrichia "sp. 1" Braun 1843
 Coniferales -
Parasequoia "sp. 1"
Parasequoia "sp. 1" Krasilov 1967
Polypodiopsida
  -
Cladophlebis "sp. 1", Cladophlebis "sp. 2", Cladophlebis "sp. 3"
Cladophlebis "sp. 1" Brongniart 1849
Cladophlebis "sp. 2" Brongniart 1849
Cladophlebis "sp. 3" Brongniart 1849
  - Polypodiaceae
Onychiopsis "sp. 1"
Onychiopsis "sp. 1" Yokoyama 1895
  - Gleicheniaceae
Gleichenites "sp. 1", Gleichenites "sp. 2"
Gleichenites "sp. 1" Göppert 1836
Gleichenites "sp. 2" Göppert 1836
 Schizaeales - Polypodiidae
Acrostichopteris "sp. 1", Acrostichopteris "sp. 2"
Acrostichopteris "sp. 2" Fontaine 1889
 Equisetales - Equisetidae
Equisetum "sp. 1"
Equisetum "sp. 1" Linnaeus 1753 horsetail
Eboracia
  -
Eboracia "sp. 1"
Eboracia "sp. 1" Thomas 1911