PBDB Collection

KY4, Yamasuge, Kuzu area: Kungurian, Japan
collected by Y. Okumura, M. Shimizu

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Rhynchonellata - Orthida - Rhipidomellidae

	Rhipidomella hessensis King 1931
	(1 measurement)
Rhynchonellata - Orthida - Enteletidae

	Enteletes acutiplicatus Hayasaka 1932
	(1 measurement)
Rhynchonellata - Orthida - Schizophoriidae

	Acosarina rectimarginata Cooper and Grant 1976
	(1 measurement)

	Orthotichia japonica Hayasaka 1932
	(2 measurements)
Rhynchonellata - Athyridida - Neoretziidae

	Hustedia culcitula Cooper and Grant 1976
	(1 measurement)
Rhynchonellata - Athyridida - Athyrididae

	Cleiothyridina hayasakai Tazawa 2010
	(1 measurement)
Rhynchonellata - Spiriferinida - Spiriferellinidae

	Metriolepis kuzuensis n. sp. Tazawa 2012
	(2 measurements)
Rhynchonellata - Spiriferinida - Pennospiriferinidae

	Arionthia cf. lamaria Cooper and Grant 1976
	(1 measurement)
	= Arionthia polypleura Girty 1909	Tazawa et al. 2016
Rhynchonellata - Spiriferida - Trigonotretidae

	Cartorhium coristum Cooper and Grant 1976
	(1 measurement)
Strophomenata - Productida - Paucispiniferidae

	Transennatia sp. Waterhouse 1975
	(1 measurement)
Strophomenata - Productida - Productellidae

	Echinauris lateralis Muir-Wood and Cooper 1960
Strophomenata - Orthotetida - Schuchertellidae

	Bothrostegium sp. Cooper and Grant 1974
	(1 measurement)

	Goniarina permiana (Stehli 1954)
	(1 measurement)
see common names

Geography

Country:	Japan
Coordinates:	36.4° North, 139.6° East (view map)
Paleocoordinates:	12.3° North, 135.8° East (Wright 2013)
Basis of coordinate:	stated in text
Geographic resolution:	outcrop

Time

Period:	Permian	Epoch:	Cisuralian
Stage:	Kungurian	10 m.y. bin:	Permian 2
Key time interval:	Kungurian	Foram zone:	Parafusulina yabei
Age range of interval:	283.3 - 274.4 m.y. ago

Stratigraphy

Formation:	Nabeyama
Stratigraphic resolution:	group of beds
Stratigraphy comments: Lower Nabeyama Formation, with Parafusulina yabei Hanzawa, 1942 "the age of the Yamasuge fauna is Artinskian to Kungurian, most probably Kungurian" (Tazawa et al. 2012)

Lithology and environment

Primary lithology:	black lithified "limestone"
Environment:	carbonate indet.

Taphonomy

Modes of preservation:	body
Size of fossils:	macrofossils

Collection methods and comments

Reason for describing collection:	taxonomic analysis
Collectors:	Y. Okumura, M. Shimizu
Collection method comments: Repository: Kuzu Fossil Museum in Kuzu, Sano City, Tochigi Prefecture.

Metadata

Database number:	149806
Authorizer:	M. Clapham	Enterer:	M. Clapham
Modifier:	B. Allen	Research group:	marine invertebrate
Created:	2013-08-26 09:45:04	Last modified:	2025-02-22 15:12:02
Access level:	the public	Released:	2013-08-26 09:45:04
Creative Commons license:	CC0

Reference information

Primary reference:

47983.

J. I. Tazawa, Y. Okumura, and M. Shimizu. 2012. Permian brachiopods from Yamasuge in the Kuzu area, Ashio Mountains, central Japan, part 2. Science Reports, Niigata University (Geology) 27:51-71 [M. Clapham/M. Clapham/M. Clapham]

Secondary references:

60512

J. I. Tazawa, Y. Okumura, Y. Miyake and T. Mizuhara. 2016. A Kungurian (early Permian) brachiopod fauna from Ogama, Kuzu area, central Japan, and its palaeobiogeographical affinity with the Wolfcampian–Leonardian (early Permian) brachiopod fauna of West Texas, USA. Paleontological Research 20:367-384 [M. Clapham/M. Clapham/M. Clapham]