HMF12, Mizuyagadani Valley, Middle Moribudanigawa River: Roadian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Spiriferida - Spiriferellidae
(1 measurement)
    = Alispiriferella lita Fredericks 1924
Tazawa 2016
Rhynchonellata - Spiriferida - Trigonotretidae
Gypospirifer volatilis Duan and Li 1985
Tazawa and Araki 2013
Strophomenata - Productida - Productidae
Yakovlevia kaluzinensis Fredericks 1925
Strophomenata - Productida - Echinoconchidae
(4 measurements)
(1 measurement)
    = Waagenoconcha irginae Stuckenberg 1898
Tazawa 2016
Strophomenata - Productida - Monticuliferidae
(1 measurement)
Strophomenata - Productida - Schrenkiellidae
(1 measurement)
see common names

Geography
Country:Japan
Coordinates: 36.2° North, 137.3° East (view map)
Paleocoordinates:9.1° North, 134.3° East (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period: Permian Epoch: Guadalupian
Stage: Roadian 10 m.y. bin: Permian 3
Key time interval: Roadian
Age range of interval: 274.4 - 266.9 m.y. ago
Stratigraphy
Formation:Moribu Member:Lower
Stratigraphic resolution:bed
Stratigraphy comments: 5 m below the limestone of the lower member
Lithology and environment
Primary lithology:black lithified "shale"
Includes fossils?Y
Environment:marine indet.
Taphonomy
Modes of preservation:mold/impression
Size of fossils:macrofossils
Preservation of anatomical detail:good
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:75531
Authorizer:W. Kiessling, M. Clapham Enterer:U. Merkel, M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2007-10-16 01:21:15 Last modified:2025-02-22 15:12:02
Access level:the public Released:2007-10-16 01:21:15
Creative Commons license:CC0
Reference information

Primary reference:
25501. J. I. Tazawa. 2001. Middle Permian brachiopods from the Moribu area, Hida Gaien Belt, central Japan. Paleontological Research 5(4):283-310 [W. Kiessling/U. Merkel]

Secondary references:

59391 J. I. Tazawa. 2016. Middle Permian (Wordian) mixed Boreal‒Tethyan brachiopod fauna from Kamiyasse‒Imo, South Kitakami Belt, Japan. Science Reports, Niigata University (Geology) 31:7-43 [M. Clapham/M. Clapham]
47974 J. I. Tazawa and H. Araki. 2013. Four brachiopod species newly described from the Middle Permian of Kesennuma, South Kitakami Belt, northeast Japan. Science Reports, Niigata University (Geology) 28:1-14 [M. Clapham/M. Clapham]