PBDB Collection

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

unclassified

	Nippanoptilophyllum informal sp. 1
Lyginopteridopsida - Lyginopteridales

	Sphenopteris informal sp. 1 leaf
Coniferales - Podocarpaceae

	Elatocladus informal sp. 1 leaf

	Elatocladus informal sp. 2 leaf
Bennettitales

	Zamites informal sp. 1 leaf

	Otozamites informal sp. 1 leaf

	Ptilophyllum informal sp. 1 leaf

	Ptilophyllum informal sp. 2 leaf

	Ptilophyllum informal sp. 3 leaf

	Ptilophyllum informal sp. 4 leaf
unclassified

	Eboracia informal sp. 1 leaf
Polypodiopsida - Schizaeales - Schizaeaceae

	Acrostichopteris informal sp. 1 leaf
Polypodiopsida - Gleicheniales - Matoniaceae

	Matonidium informal sp. 1 leaf
Polypodiopsida - Gleicheniaceae

	Gleichenites informal sp. 1 leaf

	Gleichenites informal sp. 2 leaf

	Gleichenites informal sp. 3 leaf
Polypodiopsida

	Cladophlebis informal sp. 1 leaf

	Cladophlebis informal sp. 2 leaf

	Cladophlebis informal sp. 3 leaf

	Cladophlebis informal sp. 4 leaf

	Cladophlebis informal sp. 5 leaf

	Cladophlebis informal sp. 6 leaf
Pinopsida - Pinales - Taxaceae

	Nageiopsis informal sp. 1 leaf

	Nageiopsis informal sp. 2 leaf

	Torreya informal sp. 1 leaf
Equisetopsida - Cheirolepidiaceae

	Frenelopsis informal sp. 1 leaf
Cycadopsida - Cycadales

	Nilssonia informal sp. 1 leaf

	Nilssonia informal sp. 2 leaf

	Nilssonia informal sp. 3 leaf
Cycadopsida - Cycadales - Nilssoniaceae

	Pseudoctenis informal sp. 1 leaf
see common names

Geography

Country:	Japan	State/province:	Fukushima
Coordinates:	37.7° North, 140.9° East (view map)
Paleocoordinates:	57.6° North, 151.3° East (Wright 2013)
Basis of coordinate:	estimated from map

Time

Period:	Jurassic	Epoch:	Late Jurassic
10 m.y. bin:	Jurassic 5-6
*Period:	Late/Upper Jurassic
Key time interval:	Late Jurassic
Age range of interval:	161.5 - 143.1 m.y. ago
* legacy (obsolete) database fields

Stratigraphy

Formation:

Tochikubo

Lithology and environment

Taphonomy

Size of fossils:

macrofossils

Collection methods and comments

Reason for describing collection:	biostratigraphic analysis
Taxonomic list comments:Genus-level assignments and numbers of species are from the PGAP database. Species names are in the process of being entered.

Metadata

Also known as:	PGAP 338
Database number:	30206
Authorizer:	A. Rees	Enterer:	A. Rees
Research group:	paleobotany
Created:	2003-04-02 12:40:52	Last modified:	2025-02-22 15:12:02
Access level:	the public	Released:	2003-04-02 12:40:52
Creative Commons license:	CC0

Reference information

Primary reference:

8243.

PGAP 50

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]