PBDB Collection

Shigeyasu Quarry, Akiyoshi: Roadian, Japan
collected by S. Sakagami 1962

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Stenolaemata - Rhabdomesida - Rhabdomesidae

	Rhabdomeson ofukuensis n. sp. Sakagami 1964
Stenolaemata - Cryptostomata - Acanthocladiidae

	Polypora ovalifenestrata n. sp. Sakagami 1964

	Penniretepora sp.
Stenolaemata - Cryptostomata - Fenestellidae

	Penniretepora hashimotoi n. sp. Sakagami 1964

	Fenestella cf. retiformis (von Schlotheim 1816)

	Fenestella toriyamae n. sp. Sakagami 1964

	Fenestella informal sp. A

	Fenestella informal sp. B

	Fenestella macronodata n. sp. Sakagami 1964

	Fenestella otae n. sp. Sakagami 1964
Stenolaemata - Cryptostomata - Hyphasmoporidae

	Streblascopora supergrossa n. sp. Sakagami 1964

	Streblascopora diaphragma n. sp. Sakagami 1964
Stenolaemata - Trepostomata - Heterotrypidae

	Leioclema micropora n. sp. Sakagami 1964

	Leioclema muratae n. sp. Sakagami 1964
Stenolaemata - Trepostomida - Dyscritellidae

	Pseudobatostomella sp.
Stenolaemata - Cystoporata - Fistuliporidae

	Fistulipora informal sp. A

	Fistulipora informal sp. B

	Fistulipora informal sp. C

	Fistulipora shigeyasuensis n. sp. Sakagami 1964

	Fistulipora ozawae n. sp. Sakagami 1964
Stenolaemata - Cystoporida - Hexagonellidae

	? Meekoporella akiyoshiensis n. sp. Sakagami 1964

	? Meekopora fungipora n. sp. Sakagami 1964
Stenolaemata - Cryptostomida - Girtyporidae

	Hayasakapora sp. Sakagami 1960
see common names

Geography

Country:	Japan
Coordinates:	34.2° North, 131.2° East (view map)
Paleocoordinates:	9.6° North, 128.9° East (Wright 2013)
Basis of coordinate:	based on nearby landmark
Geographic resolution:	outcrop

Time

Period:	Permian	Epoch:	Guadalupian
Stage:	Roadian	10 m.y. bin:	Permian 3
Key time interval:	Roadian	Foram zone:	Parafusulina kaerimizensis
Age range of interval:	274.4 - 266.9 m.y. ago

Stratigraphy

Formation:	Akiyoshi
Stratigraphic resolution:	group of beds

Lithology and environment

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

Taphonomy

Modes of preservation:	body
Size of fossils:	macrofossils

Collection methods and comments

Collection methods:	peel or thin section,field collection
Reason for describing collection:	taxonomic analysis
Collectors:	S. Sakagami	Collection dates:	Spring, 1962

Metadata

Database number:	116866
Authorizer:	M. Clapham	Enterer:	M. Clapham
Research group:	marine invertebrate
Created:	2011-09-12 14:35:17	Last modified:	2025-02-22 15:12:02
Access level:	the public	Released:	2011-09-12 14:35:17
Creative Commons license:	CC0

Reference information

Primary reference:

33662.

S. Sakagami. 1964. Bryozoa of Akiyoshi, Part 1: Permian Bryozoa from the Shigeyasu quarry. Bulletin of the Akiyoshi-Dai Science Museum 3:1-24 [M. Clapham/M. Clapham]