PBDB Collection

Kogoro K-2, Hiroshima Prefecture: Sakmarian, Japan

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Strophomenata - Productida - Productellidae

	? Kutorginella sp. Ivanova 1951	2 specimens
Rhynchonellata - Athyridida - Neoretziidae

	Hustedia aff. ratburiensis Waterhouse and Piyasin 1970	1 specimen
Rhynchonellata - Athyridida - Athyrididae

	Composita jogensis n. sp. Yanagida and Nishikawa 1984	15 specimens
	(4 measurements)
Rhynchonellata - Spiriferida - Elythidae

	Neophricadothyris kawaiensis n. sp. Yanagida and Nishikawa 1984	8 specimens
	(2 measurements)

	? Neophricadothyris sp. Likharev 1934	1 specimen

	Neophricadothyris aff. catatona Cooper and Grant 1976	4 specimens
	(3 measurements)
Rhynchonellata - Spiriferida - Martiniidae

	Elivella aff. baschkirica (Tschernyschew 1902)	1 specimen
	(1 measurement)
Rhynchonellata - Spiriferida - Spiriferidae

	Purdonella sp. (Reed 1944)	1 specimen

	Purdonella sadai n. sp. Yanagida and Nishikawa 1984	4 specimens
	(2 measurements)
Rhynchonellata - Spiriferida - Ambocoeliidae

	Crurithyris sp. George 1931	1 specimen
Rhynchonellata - Spiriferinida - Paraspiriferinidae

	Callispirina sp. Cooper and Muir-Wood 1951	3 specimens
	(3 measurements)

	Paraspiriferina sp. (Reed 1944)	4 specimens
	(3 measurements)
Rhynchonellata - Rhynchonellida - Pugnacidae

	Pugnacidae indet. Rzonsnitzkaja 1956	2 specimens
Rhynchonellata - Rhynchonellida - Wellerellidae

	Uncinunellina hayasakai n. sp. Yanagida and Nishikawa 1984	7 specimens
	(5 measurements)

	Nipponirhynchia shutoi n. gen., n. sp. Yanagida and Nishikawa 1984	5 specimens
	(3 measurements)
Rhynchonellata - Rhynchonellida - Stenoscismatidae

	Stenoscisma japonica n. sp. Yanagida and Nishikawa 1984	5 specimens
	(4 measurements)
Rhynchonellata - Terebratulida - Notothyrididae

	Chondronia hiroshimensis n. sp. Yanagida and Nishikawa 1984	11 specimens
	(4 measurements)
Rhynchonellata - Terebratulida - Dielasmatidae

	Dielasma sp. Beede and Rogers 1900	7 specimens
	(3 measurements)
see common names

Geography

Country:	Japan
Coordinates:	34.7° North, 133.1° East (view map)
Paleocoordinates:	13.6° North, 135.8° East (Wright 2013)
Basis of coordinate:	estimated from map
Geographic resolution:	small collection

Time

Period:	Permian	Epoch:	Cisuralian
Stage:	Sakmarian	10 m.y. bin:	Permian 1
Key time interval:	Sakmarian
Age range of interval:	293.52 - 290.1 m.y. ago

Stratigraphy

Formation:	Kawai
Stratigraphic resolution:	group of beds

Lithology and environment

Primary lithology:	lithified "limestone"
Lithology description: Limestone is strongly recrystallized by Cretaceous rhyolitic volcanic activity, making it difficult to determine the original lithofacies.
Environment:	carbonate indet.

Taphonomy

Modes of preservation:	body
Size of fossils:	macrofossils

Collection methods and comments

Collection excludes:	some macrofossils
Collection methods:	field collection
Reason for describing collection:	taxonomic analysis

Metadata

Database number:	97225
Authorizer:	M. Clapham	Enterer:	M. Clapham
Modifier:	M. Clapham	Research group:	marine invertebrate
Created:	2010-07-20 13:53:46	Last modified:	2025-02-22 15:12:02
Access level:	the public	Released:	2010-07-20 13:53:46
Creative Commons license:	CC0

Reference information

Primary reference:

33165.

J. Yanagida and I. Nishikawa. 1984. Early Permian brachiopods from the Kawai Limestone, Hiroshima Prefecture, southwest Japan. Memoirs of the Faculty of Science, Kyushu University, Series D, Geology 25(2):159-197 [M. Clapham/M. Clapham]