Unuma: Anisian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Protozoa - Entactinaria - Pentactinocarpidae
Protozoa - Entactinaria - Hindeosphaeridae
Staurodoras variabilis Nakaseko and Nishimura 1979
Archaeospongoprunum compactum Nakaseko and Nishimura 1979
Archaeospongoprunum tenue Nakaseko and Nishimura 1979
Archaeospongoprunum japonicum Nakaseko and Nishimura 1979
Archaeospongoprunum spinulosum Nakaseko and Nishimura 1979
Protozoa - Entactinaria - Heptacladidae
Protozoa - Xiphostylidae
Protozoa - Actinommidae
Acanthosphaera sp. Ehrenberg 1859
Polycystinea - Nassellaria - Ruesticyrtiidae
Polycystinea - Spumellaria - Pantanelliidae
Capnodoce sp. De Wever 1979
Polycystinea - Spumellaria
see common names

Geography
Country:Japan State/province:Gifu
Coordinates: 35.4° North, 137.0° East (view map)
Paleocoordinates:5.1° North, 135.5° East (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period: Triassic Epoch: Middle Triassic
Stage: Anisian 10 m.y. bin: Triassic 2
Key time interval: Anisian
Age range of interval: 247 - 241.464 m.y. ago
Stratigraphy
Stratigraphic resolution:bed
Stratigraphy comments: 6 samples (SMT07, SMT06, SMT05, 1704, SMT02, SMT01)
Lithology and environment
Primary lithology: lithified chert
Lithology description: red and gray-black bedded chert
Environment:basinal (siliceous)
Taphonomy
Modes of preservation:body
Size of fossils:microfossils
Preservation of anatomical detail:good
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:96065
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:micropaleontology
Created:2010-05-11 07:39:40 Last modified:2025-02-22 15:12:02
Access level:the public Released:2010-05-11 07:39:40
Creative Commons license:CC0
Reference information

Primary reference:
32605. S. Mizutani and T. Koike. 1982. Radiolarians in the Jurassic siliceous shale and in the Triassic bedded chert of Unuma, Kagamigahara City, Gifu Prefecture, central Japan. News of Osaka Micropaleontologists, Special Volume 5:117-134 [W. Kiessling/U. Merkel]